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/account-manager.h>
  28 #include <telepathy-glib/util.h>
  29 #include <telepathy-glib/interfaces.h>
  30 #include <telepathy-glib/simple-approver.h>
  31
  32 #include <libempathy/empathy-presence-manager.h>
  33 #include <libempathy/empathy-tp-contact-factory.h>
  34 #include <libempathy/empathy-contact-manager.h>
  35 #include <libempathy/empathy-tp-chat.h>
  36 #include <libempathy/empathy-tp-streamed-media.h>
  37 #include <libempathy/empathy-tp-file.h>
  38 #include <libempathy/empathy-utils.h>
  39 #include <libempathy/empathy-gsettings.h>
  40
  41 #include <extensions/extensions.h>
  42
  43 #include <libempathy-gtk/empathy-images.h>
  44 #include <libempathy-gtk/empathy-contact-dialogs.h>
  45 #include <libempathy-gtk/empathy-sound-manager.h>
  46 #include <libempathy-gtk/empathy-ui-utils.h>
  47
  48 #include "empathy-event-manager.h"
  49 #include "empathy-main-window.h"
  50
  51 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  52 #include <libempathy/empathy-debug.h>
  53
  54 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  55
  56 #define NOTIFICATION_TIMEOUT 2 /* seconds */
  57
  58 /* The time interval in milliseconds between 2 incoming rings */
  59 #define MS_BETWEEN_RING 500
  60
  61 typedef struct {
  62   EmpathyEventManager *manager;
  63   TpChannelDispatchOperation *operation;
  64   gulong invalidated_handler;
  65   /* Remove contact if applicable */
  66   EmpathyContact *contact;
  67   /* option signal handler and it's instance */
  68   gulong handler;
  69   GObject *handler_instance;
  70   /* optional accept widget */
  71   GtkWidget *dialog;
  72   /* Channel of the CDO that will be used during the approval */
  73   TpChannel *main_channel;
  74   gboolean auto_approved;
  75 } EventManagerApproval;
  76
  77 typedef struct {
  78   TpBaseClient *approver;
  79   TpBaseClient *auth_approver;
  80   EmpathyContactManager *contact_manager;
  81   GSList *events;
  82   /* Ongoing approvals */
  83   GSList *approvals;
  84
  85   gint ringing;
  86
  87   GSettings *gsettings_notif;
  88   GSettings *gsettings_ui;
  89
  90   EmpathySoundManager *sound_mgr;
  91 } EmpathyEventManagerPriv;
  92
  93 typedef struct _EventPriv EventPriv;
  94 typedef void (*EventFunc) (EventPriv *event);
  95
  96 struct _EventPriv {
  97   EmpathyEvent public;
  98   EmpathyEventManager *manager;
  99   EventManagerApproval *approval;
 100   EventFunc func;
 101   gboolean inhibit;
 102   gpointer user_data;
 103   guint autoremove_timeout_id;
 104 };
 105
 106 enum {
 107   EVENT_ADDED,
 108   EVENT_REMOVED,
 109   EVENT_UPDATED,
 110   LAST_SIGNAL
 111 };
 112
 113 static guint signals[LAST_SIGNAL];
 114
 115 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 116
 117 static EmpathyEventManager * manager_singleton = NULL;
 118
 119 static EventManagerApproval *
 120 event_manager_approval_new (EmpathyEventManager *manager,
 121   TpChannelDispatchOperation *operation,
 122   TpChannel *main_channel)
 123 {
 124   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 125   result->operation = g_object_ref (operation);
 126   result->manager = manager;
 127   result->main_channel = g_object_ref (main_channel);
 128
 129   return result;
 130 }
 131
 132 static void
 133 event_manager_approval_free (EventManagerApproval *approval)
 134 {
 135   g_signal_handler_disconnect (approval->operation,
 136     approval->invalidated_handler);
 137   g_object_unref (approval->operation);
 138
 139   g_object_unref (approval->main_channel);
 140
 141   if (approval->handler != 0)
 142     g_signal_handler_disconnect (approval->handler_instance,
 143       approval->handler);
 144
 145   if (approval->handler_instance != NULL)
 146     g_object_unref (approval->handler_instance);
 147
 148   if (approval->contact != NULL)
 149     g_object_unref (approval->contact);
 150
 151   if (approval->dialog != NULL)
 152     {
 153       gtk_widget_destroy (approval->dialog);
 154     }
 155
 156   g_slice_free (EventManagerApproval, approval);
 157 }
 158
 159 static void
 160 event_free (EventPriv *event)
 161 {
 162   g_free (event->public.icon_name);
 163   g_free (event->public.header);
 164   g_free (event->public.message);
 165
 166   if (event->autoremove_timeout_id != 0)
 167     g_source_remove (event->autoremove_timeout_id);
 168
 169   tp_clear_object (&(event->public.contact));
 170   tp_clear_object (&(event->public.account));
 171
 172   g_slice_free (EventPriv, event);
 173 }
 174
 175 static void
 176 event_remove (EventPriv *event)
 177 {
 178   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 179
 180   DEBUG ("Removing event %p", event);
 181
 182   priv->events = g_slist_remove (priv->events, event);
 183   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 184   event_free (event);
 185 }
 186
 187 void
 188 empathy_event_remove (EmpathyEvent *event_public)
 189 {
 190   EventPriv *event = (EventPriv *) event_public;
 191
 192   event_remove (event);
 193 }
 194
 195 static gboolean
 196 autoremove_event_timeout_cb (EventPriv *event)
 197 {
 198   event->autoremove_timeout_id = 0;
 199   event_remove (event);
 200   return FALSE;
 201 }
 202
 203 static gboolean
 204 display_notify_area (EmpathyEventManager *self)
 205 {
 206   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 207
 208   return g_settings_get_boolean (priv->gsettings_ui,
 209       EMPATHY_PREFS_UI_EVENTS_NOTIFY_AREA);
 210 }
 211
 212 static void
 213 event_manager_add (EmpathyEventManager *manager,
 214     TpAccount *account,
 215     EmpathyContact *contact,
 216     EmpathyEventType type,
 217     const gchar *icon_name,
 218     const gchar *header,
 219     const gchar *message,
 220     EventManagerApproval *approval,
 221     EventFunc func,
 222     gpointer user_data)
 223 {
 224   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 225   EventPriv               *event;
 226
 227   event = g_slice_new0 (EventPriv);
 228   event->public.account = account != NULL ? g_object_ref (account) : NULL;
 229   event->public.contact = contact ? g_object_ref (contact) : NULL;
 230   event->public.type = type;
 231   event->public.icon_name = g_strdup (icon_name);
 232   event->public.header = g_strdup (header);
 233   event->public.message = g_strdup (message);
 234   event->public.must_ack = (func != NULL);
 235   event->inhibit = FALSE;
 236   event->func = func;
 237   event->user_data = user_data;
 238   event->manager = manager;
 239   event->approval = approval;
 240
 241   DEBUG ("Adding event %p", event);
 242   priv->events = g_slist_prepend (priv->events, event);
 243
 244   if (!display_notify_area (manager))
 245     {
 246       /* Don't fire the 'event-added' signal as we activate the event now */
 247       if (approval != NULL)
 248         approval->auto_approved = TRUE;
 249
 250       empathy_event_activate (&event->public);
 251       return;
 252     }
 253
 254   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 255
 256   if (!event->public.must_ack)
 257     {
 258       event->autoremove_timeout_id = g_timeout_add_seconds (
 259           NOTIFICATION_TIMEOUT, (GSourceFunc) autoremove_event_timeout_cb,
 260           event);
 261     }
 262 }
 263
 264 static void
 265 handle_with_cb (GObject *source,
 266     GAsyncResult *result,
 267     gpointer user_data)
 268 {
 269   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 270   GError *error = NULL;
 271
 272   if (!tp_channel_dispatch_operation_handle_with_finish (cdo, result, &error))
 273     {
 274       DEBUG ("HandleWith failed: %s\n", error->message);
 275       g_error_free (error);
 276     }
 277 }
 278
 279 static void
 280 handle_with_time_cb (GObject *source,
 281     GAsyncResult *result,
 282     gpointer user_data)
 283 {
 284   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 285   GError *error = NULL;
 286
 287   if (!tp_channel_dispatch_operation_handle_with_time_finish (cdo, result,
 288         &error))
 289     {
 290       if (g_error_matches (error, TP_ERRORS, TP_ERROR_NOT_IMPLEMENTED))
 291         {
 292           EventManagerApproval *approval = user_data;
 293
 294           DEBUG ("HandleWithTime() is not implemented, falling back to "
 295               "HandleWith(). Please upgrade to telepathy-mission-control "
 296               "5.5.0 or later");
 297
 298           tp_channel_dispatch_operation_handle_with_async (approval->operation,
 299               NULL, handle_with_cb, approval);
 300         }
 301       else
 302         {
 303           DEBUG ("HandleWithTime failed: %s\n", error->message);
 304         }
 305       g_error_free (error);
 306     }
 307 }
 308
 309 static void
 310 event_manager_approval_approve (EventManagerApproval *approval)
 311 {
 312   gint64 timestamp;
 313
 314   if (approval->auto_approved)
 315     {
 316       timestamp = TP_USER_ACTION_TIME_NOT_USER_ACTION;
 317     }
 318   else
 319     {
 320       timestamp = empathy_get_current_action_time ();
 321     }
 322
 323   g_assert (approval->operation != NULL);
 324
 325   tp_channel_dispatch_operation_handle_with_time_async (approval->operation,
 326       NULL, timestamp, handle_with_time_cb, approval);
 327 }
 328
 329 static void
 330 event_channel_process_func (EventPriv *event)
 331 {
 332   event_manager_approval_approve (event->approval);
 333 }
 334
 335 static void
 336 event_text_channel_process_func (EventPriv *event)
 337 {
 338   EmpathyTpChat *tp_chat;
 339
 340   if (event->approval->handler != 0)
 341     {
 342       tp_chat = EMPATHY_TP_CHAT (event->approval->handler_instance);
 343
 344       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 345       event->approval->handler = 0;
 346     }
 347
 348   event_manager_approval_approve (event->approval);
 349 }
 350
 351 static EventPriv *
 352 event_lookup_by_approval (EmpathyEventManager *manager,
 353   EventManagerApproval *approval)
 354 {
 355   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 356   GSList *l;
 357   EventPriv *retval = NULL;
 358
 359   for (l = priv->events; l; l = l->next)
 360     {
 361       EventPriv *event = l->data;
 362
 363       if (event->approval == approval)
 364         {
 365           retval = event;
 366           break;
 367         }
 368     }
 369
 370   return retval;
 371 }
 372
 373 static void
 374 event_update (EmpathyEventManager *manager, EventPriv *event,
 375   const char *icon_name, const char *header, const char *msg)
 376 {
 377   g_free (event->public.icon_name);
 378   g_free (event->public.header);
 379   g_free (event->public.message);
 380
 381   event->public.icon_name = g_strdup (icon_name);
 382   event->public.header = g_strdup (header);
 383   event->public.message = g_strdup (msg);
 384
 385   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 386 }
 387
 388 static void
 389 reject_channel_claim_cb (GObject *source,
 390     GAsyncResult *result,
 391     gpointer user_data)
 392 {
 393   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 394   GError *error = NULL;
 395
 396   if (!tp_channel_dispatch_operation_claim_finish (cdo, result, &error))
 397     {
 398       DEBUG ("Failed to claim channel: %s", error->message);
 399
 400       g_error_free (error);
 401       goto out;
 402     }
 403
 404   if (EMPATHY_IS_TP_STREAMED_MEDIA (user_data))
 405     {
 406       empathy_tp_streamed_media_close (user_data);
 407     }
 408   else if (EMPATHY_IS_TP_CHAT (user_data))
 409     {
 410       empathy_tp_chat_leave (user_data, "");
 411     }
 412   else if (EMPATHY_IS_TP_FILE (user_data))
 413     {
 414       empathy_tp_file_close (user_data);
 415     }
 416
 417 out:
 418   g_object_unref (user_data);
 419 }
 420
 421 static void
 422 reject_auth_channel_claim_cb (GObject *source,
 423     GAsyncResult *result,
 424     gpointer user_data)
 425 {
 426   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 427   GError *error = NULL;
 428
 429   if (!tp_channel_dispatch_operation_claim_finish (cdo, result, &error))
 430     {
 431       DEBUG ("Failed to claim channel: %s", error->message);
 432
 433       g_error_free (error);
 434       return;
 435     }
 436
 437   tp_cli_channel_call_close (TP_CHANNEL (user_data), -1,
 438       NULL, NULL, NULL, NULL);
 439 }
 440
 441 static void
 442 reject_approval (EventManagerApproval *approval)
 443 {
 444   /* We have to claim the channel before closing it */
 445
 446   /* Unfortunately, we need to special case the auth channels for the
 447    * time being as they don't have a wrapper object handler in
 448    * approval->handler_instance as they're not actually handled by
 449    * this process, so we can just use a noddy callback to call Close()
 450    * directly. */
 451   if (approval->handler_instance != NULL)
 452     {
 453       tp_channel_dispatch_operation_claim_async (approval->operation,
 454           reject_channel_claim_cb, g_object_ref (approval->handler_instance));
 455     }
 456   else if (tp_channel_get_channel_type_id (approval->main_channel)
 457       == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
 458     {
 459       tp_channel_dispatch_operation_claim_async (approval->operation,
 460           reject_auth_channel_claim_cb, approval->main_channel);
 461     }
 462 }
 463
 464 static void
 465 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 466   gint response, gpointer user_data)
 467 {
 468   EventManagerApproval *approval = user_data;
 469
 470   gtk_widget_destroy (approval->dialog);
 471   approval->dialog = NULL;
 472
 473   if (response != GTK_RESPONSE_ACCEPT)
 474     {
 475       reject_approval (approval);
 476     }
 477   else
 478     {
 479       event_manager_approval_approve (approval);
 480     }
 481 }
 482
 483 static void
 484 event_channel_process_voip_func (EventPriv *event)
 485 {
 486   GtkWidget *dialog;
 487   GtkWidget *button;
 488   GtkWidget *image;
 489   EmpathyTpStreamedMedia *call;
 490   gboolean video;
 491   gchar *title;
 492
 493   if (event->approval->dialog != NULL)
 494     {
 495       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 496       return;
 497     }
 498
 499   call = EMPATHY_TP_STREAMED_MEDIA (event->approval->handler_instance);
 500
 501   video = empathy_tp_streamed_media_has_initial_video (call);
 502
 503   dialog = gtk_message_dialog_new (NULL, 0,
 504       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 505       video ? _("Incoming video call"): _("Incoming call"));
 506
 507   gtk_message_dialog_format_secondary_text (
 508     GTK_MESSAGE_DIALOG (dialog), video ?
 509       _("%s is video calling you. Do you want to answer?"):
 510       _("%s is calling you. Do you want to answer?"),
 511       empathy_contact_get_alias (event->approval->contact));
 512
 513   title = g_strdup_printf (_("Incoming call from %s"),
 514       empathy_contact_get_alias (event->approval->contact));
 515
 516   gtk_window_set_title (GTK_WINDOW (dialog), title);
 517   g_free (title);
 518
 519   /* Set image of the dialog */
 520   if (video)
 521     {
 522       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VIDEO_CALL,
 523           GTK_ICON_SIZE_DIALOG);
 524     }
 525   else
 526     {
 527       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VOIP,
 528           GTK_ICON_SIZE_DIALOG);
 529     }
 530
 531   gtk_message_dialog_set_image (GTK_MESSAGE_DIALOG (dialog), image);
 532   gtk_widget_show (image);
 533
 534   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 535       GTK_RESPONSE_OK);
 536
 537   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 538       _("_Reject"), GTK_RESPONSE_REJECT);
 539   image = gtk_image_new_from_icon_name ("call-stop",
 540     GTK_ICON_SIZE_BUTTON);
 541   gtk_button_set_image (GTK_BUTTON (button), image);
 542
 543   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 544       _("_Answer"), GTK_RESPONSE_ACCEPT);
 545
 546   image = gtk_image_new_from_icon_name ("call-start", GTK_ICON_SIZE_BUTTON);
 547   gtk_button_set_image (GTK_BUTTON (button), image);
 548
 549   g_signal_connect (dialog, "response",
 550       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 551       event->approval);
 552
 553   gtk_widget_show (dialog);
 554
 555   event->approval->dialog = dialog;
 556 }
 557
 558 static void
 559 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 560   EmpathyMessage *message,
 561   EventManagerApproval *approval)
 562 {
 563   GtkWidget       *window;
 564   EmpathyContact  *sender;
 565   const gchar     *header;
 566   const gchar     *msg;
 567   EventPriv       *event;
 568   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 569
 570   /* try to update the event if it's referring to a chat which is already in the
 571    * queue. */
 572   event = event_lookup_by_approval (approval->manager, approval);
 573
 574   sender = empathy_message_get_sender (message);
 575
 576   /* We only want to show incoming messages */
 577   if (empathy_contact_is_user (sender))
 578     return;
 579
 580   header = empathy_contact_get_alias (sender);
 581   msg = empathy_message_get_body (message);
 582
 583   if (event != NULL)
 584     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header,
 585         msg);
 586   else
 587     event_manager_add (approval->manager, NULL, sender,
 588         EMPATHY_EVENT_TYPE_CHAT, EMPATHY_IMAGE_NEW_MESSAGE, header, msg,
 589         approval, event_text_channel_process_func, NULL);
 590
 591   window = empathy_main_window_dup ();
 592
 593   empathy_sound_manager_play (priv->sound_mgr, window,
 594       EMPATHY_SOUND_CONVERSATION_NEW);
 595
 596   g_object_unref (window);
 597 }
 598
 599 static void
 600 event_manager_approval_done (EventManagerApproval *approval)
 601 {
 602   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 603   GSList                  *l;
 604
 605   if (approval->operation != NULL)
 606     {
 607       GQuark channel_type;
 608
 609       channel_type = tp_channel_get_channel_type_id (approval->main_channel);
 610
 611       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 612         {
 613           priv->ringing--;
 614           if (priv->ringing == 0)
 615             empathy_sound_manager_stop (priv->sound_mgr,
 616                 EMPATHY_SOUND_PHONE_INCOMING);
 617         }
 618     }
 619
 620   priv->approvals = g_slist_remove (priv->approvals, approval);
 621
 622   for (l = priv->events; l; l = l->next)
 623     {
 624       EventPriv *event = l->data;
 625
 626       if (event->approval == approval)
 627         {
 628           event_remove (event);
 629           break;
 630         }
 631     }
 632
 633   event_manager_approval_free (approval);
 634 }
 635
 636 static void
 637 cdo_invalidated_cb (TpProxy *cdo,
 638     guint domain,
 639     gint code,
 640     gchar *message,
 641     EventManagerApproval *approval)
 642 {
 643   DEBUG ("ChannelDispatchOperation has been invalidated: %s", message);
 644
 645   event_manager_approval_done (approval);
 646 }
 647
 648 static void
 649 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 650 {
 651   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 652   GtkWidget *window = empathy_main_window_dup ();
 653   gchar *header;
 654   EmpathyTpStreamedMedia *call;
 655   gboolean video;
 656
 657   call = EMPATHY_TP_STREAMED_MEDIA (approval->handler_instance);
 658
 659   video = empathy_tp_streamed_media_has_initial_video (call);
 660
 661   header = g_strdup_printf (
 662     video ? _("Incoming video call from %s") :_("Incoming call from %s"),
 663     empathy_contact_get_alias (approval->contact));
 664
 665   event_manager_add (approval->manager, NULL,
 666       approval->contact, EMPATHY_EVENT_TYPE_VOIP,
 667       video ? EMPATHY_IMAGE_VIDEO_CALL : EMPATHY_IMAGE_VOIP,
 668       header, NULL, approval,
 669       event_channel_process_voip_func, NULL);
 670
 671   g_free (header);
 672
 673   priv->ringing++;
 674   if (priv->ringing == 1)
 675     empathy_sound_manager_start_playing (priv->sound_mgr, window,
 676         EMPATHY_SOUND_PHONE_INCOMING, MS_BETWEEN_RING);
 677
 678   g_object_unref (window);
 679 }
 680
 681 static void
 682 event_manager_media_channel_contact_changed_cb (EmpathyTpStreamedMedia *call,
 683   GParamSpec *param, EventManagerApproval *approval)
 684 {
 685   EmpathyContact *contact;
 686
 687   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 688
 689   if (contact == NULL)
 690     return;
 691
 692   approval->contact = contact;
 693   event_manager_media_channel_got_contact (approval);
 694 }
 695
 696 static void
 697 invite_dialog_response_cb (GtkDialog *dialog,
 698                            gint response,
 699                            EventManagerApproval *approval)
 700 {
 701   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 702   approval->dialog = NULL;
 703
 704   if (response != GTK_RESPONSE_OK)
 705     {
 706       /* close channel */
 707       DEBUG ("Muc invitation rejected");
 708
 709       reject_approval (approval);
 710
 711       return;
 712     }
 713
 714   DEBUG ("Muc invitation accepted");
 715
 716   /* We'll join the room when handling the channel */
 717   event_manager_approval_approve (approval);
 718 }
 719
 720 static void
 721 event_room_channel_process_func (EventPriv *event)
 722 {
 723   GtkWidget *dialog, *button, *image;
 724   TpChannel *channel = event->approval->main_channel;
 725   gchar *title;
 726
 727   if (event->approval->dialog != NULL)
 728     {
 729       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 730       return;
 731     }
 732
 733   /* create dialog */
 734   dialog = gtk_message_dialog_new (NULL, 0,
 735       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 736
 737   title = g_strdup_printf (_("Invitation to join %s"),
 738       tp_channel_get_identifier (channel));
 739
 740   gtk_window_set_title (GTK_WINDOW (dialog), title);
 741   g_free (title);
 742
 743   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 744       _("%s is inviting you to join %s"),
 745       empathy_contact_get_alias (event->approval->contact),
 746       tp_channel_get_identifier (channel));
 747
 748   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 749       GTK_RESPONSE_OK);
 750
 751   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 752       _("_Decline"), GTK_RESPONSE_CANCEL);
 753   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 754   gtk_button_set_image (GTK_BUTTON (button), image);
 755
 756   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 757       _("_Join"), GTK_RESPONSE_OK);
 758   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 759   gtk_button_set_image (GTK_BUTTON (button), image);
 760
 761   g_signal_connect (dialog, "response",
 762       G_CALLBACK (invite_dialog_response_cb), event->approval);
 763
 764   gtk_widget_show (dialog);
 765
 766   event->approval->dialog = dialog;
 767 }
 768
 769 static void
 770 display_invite_room_dialog (EventManagerApproval *approval)
 771 {
 772   GtkWidget *window = empathy_main_window_dup ();
 773   const gchar *invite_msg;
 774   gchar *msg;
 775   TpHandle self_handle;
 776   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 777
 778   self_handle = tp_channel_group_get_self_handle (approval->main_channel);
 779   tp_channel_group_get_local_pending_info (approval->main_channel, self_handle,
 780       NULL, NULL, &invite_msg);
 781
 782   if (approval->contact != NULL)
 783     {
 784       msg = g_strdup_printf (_("%s invited you to join %s"),
 785           empathy_contact_get_alias (approval->contact),
 786           tp_channel_get_identifier (approval->main_channel));
 787     }
 788   else
 789     {
 790       msg = g_strdup_printf (_("You have been invited to join %s"),
 791           tp_channel_get_identifier (approval->main_channel));
 792     }
 793
 794   event_manager_add (approval->manager, NULL,
 795       approval->contact, EMPATHY_EVENT_TYPE_INVITATION,
 796       EMPATHY_IMAGE_GROUP_MESSAGE, msg, invite_msg, approval,
 797       event_room_channel_process_func, NULL);
 798
 799   empathy_sound_manager_play (priv->sound_mgr, window,
 800       EMPATHY_SOUND_CONVERSATION_NEW);
 801
 802   g_free (msg);
 803   g_object_unref (window);
 804 }
 805
 806 static void
 807 event_manager_muc_invite_got_contact_cb (TpConnection *connection,
 808                                          EmpathyContact *contact,
 809                                          const GError *error,
 810                                          gpointer user_data,
 811                                          GObject *object)
 812 {
 813   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 814
 815   if (error != NULL)
 816     {
 817       DEBUG ("Error: %s", error->message);
 818     }
 819   else
 820     {
 821       approval->contact = g_object_ref (contact);
 822     }
 823
 824   display_invite_room_dialog (approval);
 825 }
 826
 827 static void
 828 event_manager_ft_got_contact_cb (TpConnection *connection,
 829                                  EmpathyContact *contact,
 830                                  const GError *error,
 831                                  gpointer user_data,
 832                                  GObject *object)
 833 {
 834   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 835   GtkWidget *window = empathy_main_window_dup ();
 836   char *header;
 837   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 838
 839   approval->contact = g_object_ref (contact);
 840
 841   header = g_strdup_printf (_("Incoming file transfer from %s"),
 842                             empathy_contact_get_alias (approval->contact));
 843
 844   event_manager_add (approval->manager, NULL,
 845       approval->contact, EMPATHY_EVENT_TYPE_TRANSFER,
 846       EMPATHY_IMAGE_DOCUMENT_SEND, header, NULL,
 847       approval, event_channel_process_func, NULL);
 848
 849   /* FIXME better sound for incoming file transfers ?*/
 850   empathy_sound_manager_play (priv->sound_mgr, window,
 851       EMPATHY_SOUND_CONVERSATION_NEW);
 852
 853   g_free (header);
 854   g_object_unref (window);
 855 }
 856
 857 static void
 858 event_manager_auth_process_func (EventPriv *event)
 859 {
 860   empathy_event_approve ((EmpathyEvent *) event);
 861 }
 862
 863 /* If there is a file-transfer, media, or auth channel consider it as
 864  * the main one. */
 865 static TpChannel *
 866 find_main_channel (GList *channels)
 867 {
 868   GList *l;
 869   TpChannel *text = NULL;
 870
 871   for (l = channels; l != NULL; l = g_list_next (l))
 872     {
 873       TpChannel *channel = l->data;
 874       GQuark channel_type;
 875
 876       if (tp_proxy_get_invalidated (channel) != NULL)
 877         continue;
 878
 879       channel_type = tp_channel_get_channel_type_id (channel);
 880
 881       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
 882           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER ||
 883           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
 884         return channel;
 885
 886       else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 887         text = channel;
 888     }
 889
 890   return text;
 891 }
 892
 893 static void
 894 approve_channels (TpSimpleApprover *approver,
 895     TpAccount *account,
 896     TpConnection *connection,
 897     GList *channels,
 898     TpChannelDispatchOperation *dispatch_operation,
 899     TpAddDispatchOperationContext *context,
 900     gpointer user_data)
 901 {
 902   EmpathyEventManager *self = user_data;
 903   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 904   TpChannel *channel;
 905   EventManagerApproval *approval;
 906   GQuark channel_type;
 907
 908   channel = find_main_channel (channels);
 909   if (channel == NULL)
 910     {
 911       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 912           "Unknown channel type" };
 913
 914       DEBUG ("Failed to find the main channel; ignoring");
 915
 916       tp_add_dispatch_operation_context_fail (context, &error);
 917       return;
 918     }
 919
 920   approval = event_manager_approval_new (self, dispatch_operation, channel);
 921   priv->approvals = g_slist_prepend (priv->approvals, approval);
 922
 923   approval->invalidated_handler = g_signal_connect (dispatch_operation,
 924       "invalidated", G_CALLBACK (cdo_invalidated_cb), approval);
 925
 926   channel_type = tp_channel_get_channel_type_id (channel);
 927
 928   if (TP_IS_TEXT_CHANNEL (channel))
 929     {
 930       EmpathyTpChat *tp_chat;
 931
 932       tp_chat = empathy_tp_chat_new (account, channel);
 933       approval->handler_instance = G_OBJECT (tp_chat);
 934
 935       if (tp_proxy_has_interface (channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
 936         {
 937           /* Are we in local-pending ? */
 938           TpHandle inviter;
 939
 940           if (empathy_tp_chat_is_invited (tp_chat, &inviter))
 941             {
 942               /* We are invited to a room */
 943               DEBUG ("Have been invited to %s. Ask user if he wants to accept",
 944                   tp_channel_get_identifier (channel));
 945
 946               if (inviter != 0)
 947                 {
 948                   empathy_tp_contact_factory_get_from_handle (connection,
 949                       inviter, event_manager_muc_invite_got_contact_cb,
 950                       approval, NULL, G_OBJECT (self));
 951                 }
 952               else
 953                 {
 954                   display_invite_room_dialog (approval);
 955                 }
 956
 957               goto out;
 958             }
 959
 960           /* We are not invited, approve the channel right now */
 961           tp_add_dispatch_operation_context_accept (context);
 962
 963           approval->auto_approved = TRUE;
 964           event_manager_approval_approve (approval);
 965           return;
 966         }
 967
 968       /* 1-1 text channel, wait for the first message */
 969       approval->handler = g_signal_connect (tp_chat, "message-received",
 970         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 971     }
 972   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 973     {
 974       EmpathyContact *contact;
 975       EmpathyTpStreamedMedia *call = empathy_tp_streamed_media_new (account, channel);
 976
 977       approval->handler_instance = G_OBJECT (call);
 978
 979       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 980
 981       if (contact == NULL)
 982         {
 983           g_signal_connect (call, "notify::contact",
 984             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 985             approval);
 986         }
 987       else
 988         {
 989           approval->contact = contact;
 990           event_manager_media_channel_got_contact (approval);
 991         }
 992
 993     }
 994   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 995     {
 996       TpHandle handle;
 997       EmpathyTpFile *tp_file = empathy_tp_file_new (channel);
 998
 999       approval->handler_instance = G_OBJECT (tp_file);
1000
1001       handle = tp_channel_get_handle (channel, NULL);
1002
1003       connection = tp_channel_borrow_connection (channel);
1004       empathy_tp_contact_factory_get_from_handle (connection, handle,
1005         event_manager_ft_got_contact_cb, approval, NULL, G_OBJECT (self));
1006     }
1007   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
1008     {
1009       event_manager_add (approval->manager, account, NULL, EMPATHY_EVENT_TYPE_AUTH,
1010           GTK_STOCK_DIALOG_AUTHENTICATION, tp_account_get_display_name (account),
1011           _("Password required"), approval,
1012           event_manager_auth_process_func, NULL);
1013     }
1014   else
1015     {
1016       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
1017           "Invalid channel type" };
1018
1019       DEBUG ("Unknown channel type (%s), ignoring..",
1020           g_quark_to_string (channel_type));
1021
1022       tp_add_dispatch_operation_context_fail (context, &error);
1023       return;
1024     }
1025
1026 out:
1027   tp_add_dispatch_operation_context_accept (context);
1028 }
1029
1030 static void
1031 event_pending_subscribe_func (EventPriv *event)
1032 {
1033   empathy_subscription_dialog_show (event->public.contact, event->public.header,
1034       NULL);
1035   event_remove (event);
1036 }
1037
1038 static void
1039 event_manager_pendings_changed_cb (EmpathyContactList  *list,
1040   EmpathyContact *contact, EmpathyContact *actor,
1041   guint reason, gchar *message, gboolean is_pending,
1042   EmpathyEventManager *manager)
1043 {
1044   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1045   gchar                   *header, *event_msg;
1046
1047   if (!is_pending)
1048     {
1049       GSList *l;
1050
1051       for (l = priv->events; l; l = l->next)
1052         {
1053           EventPriv *event = l->data;
1054
1055           if (event->public.contact == contact &&
1056               event->func == event_pending_subscribe_func)
1057             {
1058               event_remove (event);
1059               break;
1060             }
1061         }
1062
1063       return;
1064     }
1065
1066   header = g_strdup_printf (
1067       _("%s would like permission to see when you are online"),
1068       empathy_contact_get_alias (contact));
1069
1070   if (!EMP_STR_EMPTY (message))
1071     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
1072   else
1073     event_msg = NULL;
1074
1075   event_manager_add (manager, NULL, contact, EMPATHY_EVENT_TYPE_SUBSCRIPTION,
1076       GTK_STOCK_DIALOG_QUESTION, header, event_msg, NULL,
1077       event_pending_subscribe_func, NULL);
1078
1079   g_free (event_msg);
1080   g_free (header);
1081 }
1082
1083 static void
1084 event_manager_presence_changed_cb (EmpathyContact *contact,
1085     TpConnectionPresenceType current,
1086     TpConnectionPresenceType previous,
1087     EmpathyEventManager *manager)
1088 {
1089   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1090   TpAccount *account;
1091   EmpathyPresenceManager *presence_mgr;
1092   GtkWidget *window = empathy_main_window_dup ();
1093
1094   account = empathy_contact_get_account (contact);
1095   presence_mgr = empathy_presence_manager_dup_singleton ();
1096
1097   if (empathy_presence_manager_account_is_just_connected (presence_mgr, account))
1098     goto out;
1099
1100   if (tp_connection_presence_type_cmp_availability (previous,
1101         TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1102     {
1103       /* contact was online */
1104       if (tp_connection_presence_type_cmp_availability (current,
1105           TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
1106         {
1107           /* someone is logging off */
1108           empathy_sound_manager_play (priv->sound_mgr, window,
1109               EMPATHY_SOUND_CONTACT_DISCONNECTED);
1110
1111           if (g_settings_get_boolean (priv->gsettings_notif,
1112                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNOUT))
1113             {
1114               event_manager_add (manager, NULL, contact,
1115                   EMPATHY_EVENT_TYPE_PRESENCE_OFFLINE,
1116                   EMPATHY_IMAGE_AVATAR_DEFAULT,
1117                   empathy_contact_get_alias (contact), _("Disconnected"),
1118                   NULL, NULL, NULL);
1119             }
1120         }
1121     }
1122   else
1123     {
1124       /* contact was offline */
1125       if (tp_connection_presence_type_cmp_availability (current,
1126             TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1127         {
1128           /* someone is logging in */
1129           empathy_sound_manager_play (priv->sound_mgr, window,
1130               EMPATHY_SOUND_CONTACT_CONNECTED);
1131
1132           if (g_settings_get_boolean (priv->gsettings_notif,
1133                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNIN))
1134             {
1135               event_manager_add (manager, NULL, contact,
1136                   EMPATHY_EVENT_TYPE_PRESENCE_ONLINE,
1137                   EMPATHY_IMAGE_AVATAR_DEFAULT,
1138                   empathy_contact_get_alias (contact), _("Connected"),
1139                   NULL, NULL, NULL);
1140             }
1141         }
1142     }
1143
1144 out:
1145   g_object_unref (presence_mgr);
1146   g_object_unref (window);
1147 }
1148
1149 static void
1150 event_manager_members_changed_cb (EmpathyContactList  *list,
1151     EmpathyContact *contact,
1152     EmpathyContact *actor,
1153     guint reason,
1154     gchar *message,
1155     gboolean is_member,
1156     EmpathyEventManager *manager)
1157 {
1158   if (is_member)
1159     g_signal_connect (contact, "presence-changed",
1160         G_CALLBACK (event_manager_presence_changed_cb), manager);
1161   else
1162     g_signal_handlers_disconnect_by_func (contact,
1163         event_manager_presence_changed_cb, manager);
1164 }
1165
1166 static GObject *
1167 event_manager_constructor (GType type,
1168                            guint n_props,
1169                            GObjectConstructParam *props)
1170 {
1171         GObject *retval;
1172
1173         if (manager_singleton) {
1174                 retval = g_object_ref (manager_singleton);
1175         } else {
1176                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
1177                         (type, n_props, props);
1178
1179                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
1180                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
1181         }
1182
1183         return retval;
1184 }
1185
1186 static void
1187 event_manager_finalize (GObject *object)
1188 {
1189   EmpathyEventManagerPriv *priv = GET_PRIV (object);
1190
1191   if (priv->ringing > 0)
1192     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_INCOMING);
1193
1194   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1195   g_slist_free (priv->events);
1196   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1197   g_slist_free (priv->approvals);
1198   g_object_unref (priv->contact_manager);
1199   g_object_unref (priv->approver);
1200   g_object_unref (priv->auth_approver);
1201   g_object_unref (priv->gsettings_notif);
1202   g_object_unref (priv->gsettings_ui);
1203   g_object_unref (priv->sound_mgr);
1204 }
1205
1206 static void
1207 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1208 {
1209   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1210
1211   object_class->finalize = event_manager_finalize;
1212   object_class->constructor = event_manager_constructor;
1213
1214   signals[EVENT_ADDED] =
1215     g_signal_new ("event-added",
1216       G_TYPE_FROM_CLASS (klass),
1217       G_SIGNAL_RUN_LAST,
1218       0,
1219       NULL, NULL,
1220       g_cclosure_marshal_VOID__POINTER,
1221       G_TYPE_NONE,
1222       1, G_TYPE_POINTER);
1223
1224   signals[EVENT_REMOVED] =
1225   g_signal_new ("event-removed",
1226       G_TYPE_FROM_CLASS (klass),
1227       G_SIGNAL_RUN_LAST,
1228       0,
1229       NULL, NULL,
1230       g_cclosure_marshal_VOID__POINTER,
1231       G_TYPE_NONE, 1, G_TYPE_POINTER);
1232
1233   signals[EVENT_UPDATED] =
1234   g_signal_new ("event-updated",
1235       G_TYPE_FROM_CLASS (klass),
1236       G_SIGNAL_RUN_LAST,
1237       0,
1238       NULL, NULL,
1239       g_cclosure_marshal_VOID__POINTER,
1240       G_TYPE_NONE, 1, G_TYPE_POINTER);
1241
1242   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1243 }
1244
1245 static void
1246 empathy_event_manager_init (EmpathyEventManager *manager)
1247 {
1248   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1249     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1250   TpDBusDaemon *dbus;
1251   GError *error = NULL;
1252
1253   manager->priv = priv;
1254
1255   priv->gsettings_notif = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
1256   priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
1257
1258   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1259
1260   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1261   g_signal_connect (priv->contact_manager, "pendings-changed",
1262     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1263
1264   g_signal_connect (priv->contact_manager, "members-changed",
1265     G_CALLBACK (event_manager_members_changed_cb), manager);
1266
1267   dbus = tp_dbus_daemon_dup (&error);
1268   if (dbus == NULL)
1269     {
1270       DEBUG ("Failed to get TpDBusDaemon: %s", error->message);
1271       g_error_free (error);
1272       return;
1273     }
1274
1275   priv->approver = tp_simple_approver_new (dbus, "Empathy.EventManager", FALSE,
1276       approve_channels, manager, NULL);
1277
1278   /* EmpathyTpChat relies on this feature being prepared */
1279   tp_base_client_add_connection_features_varargs (priv->approver,
1280     TP_CONNECTION_FEATURE_CAPABILITIES, 0);
1281
1282   /* Private text channels */
1283   tp_base_client_take_approver_filter (priv->approver,
1284       tp_asv_new (
1285         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1286         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1287         NULL));
1288
1289   /* Muc text channels */
1290   tp_base_client_take_approver_filter (priv->approver,
1291       tp_asv_new (
1292         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1293         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
1294         NULL));
1295
1296   /* File transfer */
1297   tp_base_client_take_approver_filter (priv->approver,
1298       tp_asv_new (
1299         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1300           TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
1301         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1302         NULL));
1303
1304   /* Calls */
1305   tp_base_client_take_approver_filter (priv->approver,
1306       tp_asv_new (
1307         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1308           TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
1309         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1310         NULL));
1311
1312   /* I don't feel good about doing this, and I'm sorry, but the
1313    * capabilities connection feature is added earlier because it's
1314    * needed for EmpathyTpChat. If the capabilities feature is required
1315    * then preparing an auth channel (which of course appears in the
1316    * CONNECTING state) will never be prepared. So the options are
1317    * either to create another approver like I've done, or to port
1318    * EmpathyTpChat and its users to not depend on the connection being
1319    * prepared with capabilities. I chose the former, obviously. :-) */
1320
1321   priv->auth_approver = tp_simple_approver_new (dbus,
1322       "Empathy.AuthEventManager", FALSE, approve_channels, manager,
1323       NULL);
1324
1325   /* SASL auth channels */
1326   tp_base_client_take_approver_filter (priv->auth_approver,
1327       tp_asv_new (
1328         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1329           TP_IFACE_CHANNEL_TYPE_SERVER_AUTHENTICATION,
1330         TP_PROP_CHANNEL_TYPE_SERVER_AUTHENTICATION_AUTHENTICATION_METHOD,
1331           G_TYPE_STRING,
1332           TP_IFACE_CHANNEL_INTERFACE_SASL_AUTHENTICATION,
1333         NULL));
1334
1335   if (!tp_base_client_register (priv->approver, &error))
1336     {
1337       DEBUG ("Failed to register Approver: %s", error->message);
1338       g_error_free (error);
1339     }
1340
1341   if (!tp_base_client_register (priv->auth_approver, &error))
1342     {
1343       DEBUG ("Failed to register auth Approver: %s", error->message);
1344       g_error_free (error);
1345     }
1346
1347   g_object_unref (dbus);
1348 }
1349
1350 EmpathyEventManager *
1351 empathy_event_manager_dup_singleton (void)
1352 {
1353   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1354 }
1355
1356 GSList *
1357 empathy_event_manager_get_events (EmpathyEventManager *manager)
1358 {
1359   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1360
1361   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1362
1363   return priv->events;
1364 }
1365
1366 EmpathyEvent *
1367 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1368 {
1369   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1370
1371   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1372
1373   return priv->events ? priv->events->data : NULL;
1374 }
1375
1376 void
1377 empathy_event_activate (EmpathyEvent *event_public)
1378 {
1379   EventPriv *event = (EventPriv *) event_public;
1380
1381   g_return_if_fail (event_public != NULL);
1382
1383   if (event->func)
1384     event->func (event);
1385   else
1386     event_remove (event);
1387 }
1388
1389 void
1390 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1391 {
1392   EventPriv *event = (EventPriv *) event_public;
1393
1394   g_return_if_fail (event_public != NULL);
1395
1396   event->inhibit = TRUE;
1397 }
1398
1399 void
1400 empathy_event_approve (EmpathyEvent *event_public)
1401 {
1402   EventPriv *event = (EventPriv *) event_public;
1403
1404   g_return_if_fail (event_public != NULL);
1405
1406   event_manager_approval_approve (event->approval);
1407 }
1408
1409 void
1410 empathy_event_decline (EmpathyEvent *event_public)
1411 {
1412   EventPriv *event = (EventPriv *) event_public;
1413
1414   g_return_if_fail (event_public != NULL);
1415
1416   reject_approval (event->approval);
1417 }