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-channel-factory.h>
  33 #include <libempathy/empathy-presence-manager.h>
  34 #include <libempathy/empathy-tp-contact-factory.h>
  35 #include <libempathy/empathy-contact-manager.h>
  36 #include <libempathy/empathy-tp-chat.h>
  37 #include <libempathy/empathy-tp-streamed-media.h>
  38 #include <libempathy/empathy-tp-file.h>
  39 #include <libempathy/empathy-utils.h>
  40 #include <libempathy/empathy-gsettings.h>
  41
  42 #include <extensions/extensions.h>
  43
  44 #include <libempathy-gtk/empathy-images.h>
  45 #include <libempathy-gtk/empathy-contact-dialogs.h>
  46 #include <libempathy-gtk/empathy-sound-manager.h>
  47 #include <libempathy-gtk/empathy-ui-utils.h>
  48
  49 #include "empathy-event-manager.h"
  50 #include "empathy-main-window.h"
  51
  52 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  53 #include <libempathy/empathy-debug.h>
  54
  55 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  56
  57 #define NOTIFICATION_TIMEOUT 2 /* seconds */
  58
  59 /* The time interval in milliseconds between 2 incoming rings */
  60 #define MS_BETWEEN_RING 500
  61
  62 typedef struct {
  63   EmpathyEventManager *manager;
  64   TpChannelDispatchOperation *operation;
  65   gulong invalidated_handler;
  66   /* Remove contact if applicable */
  67   EmpathyContact *contact;
  68   /* option signal handler and it's instance */
  69   gulong handler;
  70   GObject *handler_instance;
  71   /* optional accept widget */
  72   GtkWidget *dialog;
  73   /* Channel of the CDO that will be used during the approval */
  74   TpChannel *main_channel;
  75   gboolean auto_approved;
  76 } EventManagerApproval;
  77
  78 typedef struct {
  79   TpBaseClient *approver;
  80   TpBaseClient *auth_approver;
  81   EmpathyContactManager *contact_manager;
  82   GSList *events;
  83   /* Ongoing approvals */
  84   GSList *approvals;
  85
  86   gint ringing;
  87
  88   GSettings *gsettings_notif;
  89   GSettings *gsettings_ui;
  90
  91   EmpathySoundManager *sound_mgr;
  92 } EmpathyEventManagerPriv;
  93
  94 typedef struct _EventPriv EventPriv;
  95 typedef void (*EventFunc) (EventPriv *event);
  96
  97 struct _EventPriv {
  98   EmpathyEvent public;
  99   EmpathyEventManager *manager;
 100   EventManagerApproval *approval;
 101   EventFunc func;
 102   gboolean inhibit;
 103   gpointer user_data;
 104   guint autoremove_timeout_id;
 105 };
 106
 107 enum {
 108   EVENT_ADDED,
 109   EVENT_REMOVED,
 110   EVENT_UPDATED,
 111   LAST_SIGNAL
 112 };
 113
 114 static guint signals[LAST_SIGNAL];
 115
 116 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 117
 118 static EmpathyEventManager * manager_singleton = NULL;
 119
 120 static EventManagerApproval *
 121 event_manager_approval_new (EmpathyEventManager *manager,
 122   TpChannelDispatchOperation *operation,
 123   TpChannel *main_channel)
 124 {
 125   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 126   result->operation = g_object_ref (operation);
 127   result->manager = manager;
 128   result->main_channel = g_object_ref (main_channel);
 129
 130   return result;
 131 }
 132
 133 static void
 134 event_manager_approval_free (EventManagerApproval *approval)
 135 {
 136   g_signal_handler_disconnect (approval->operation,
 137     approval->invalidated_handler);
 138   g_object_unref (approval->operation);
 139
 140   g_object_unref (approval->main_channel);
 141
 142   if (approval->handler != 0)
 143     g_signal_handler_disconnect (approval->handler_instance,
 144       approval->handler);
 145
 146   if (approval->handler_instance != NULL)
 147     g_object_unref (approval->handler_instance);
 148
 149   if (approval->contact != NULL)
 150     g_object_unref (approval->contact);
 151
 152   if (approval->dialog != NULL)
 153     {
 154       gtk_widget_destroy (approval->dialog);
 155     }
 156
 157   g_slice_free (EventManagerApproval, approval);
 158 }
 159
 160 static void
 161 event_free (EventPriv *event)
 162 {
 163   g_free (event->public.icon_name);
 164   g_free (event->public.header);
 165   g_free (event->public.message);
 166
 167   if (event->autoremove_timeout_id != 0)
 168     g_source_remove (event->autoremove_timeout_id);
 169
 170   tp_clear_object (&(event->public.contact));
 171   tp_clear_object (&(event->public.account));
 172
 173   g_slice_free (EventPriv, event);
 174 }
 175
 176 static void
 177 event_remove (EventPriv *event)
 178 {
 179   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 180
 181   DEBUG ("Removing event %p", event);
 182
 183   priv->events = g_slist_remove (priv->events, event);
 184   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 185   event_free (event);
 186 }
 187
 188 void
 189 empathy_event_remove (EmpathyEvent *event_public)
 190 {
 191   EventPriv *event = (EventPriv *) event_public;
 192
 193   event_remove (event);
 194 }
 195
 196 static gboolean
 197 autoremove_event_timeout_cb (EventPriv *event)
 198 {
 199   event->autoremove_timeout_id = 0;
 200   event_remove (event);
 201   return FALSE;
 202 }
 203
 204 static gboolean
 205 display_notify_area (EmpathyEventManager *self)
 206 {
 207   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 208
 209   return g_settings_get_boolean (priv->gsettings_ui,
 210       EMPATHY_PREFS_UI_EVENTS_NOTIFY_AREA);
 211 }
 212
 213 static void
 214 event_manager_add (EmpathyEventManager *manager,
 215     TpAccount *account,
 216     EmpathyContact *contact,
 217     EmpathyEventType type,
 218     const gchar *icon_name,
 219     const gchar *header,
 220     const gchar *message,
 221     EventManagerApproval *approval,
 222     EventFunc func,
 223     gpointer user_data)
 224 {
 225   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 226   EventPriv               *event;
 227
 228   event = g_slice_new0 (EventPriv);
 229   event->public.account = account != NULL ? g_object_ref (account) : NULL;
 230   event->public.contact = contact ? g_object_ref (contact) : NULL;
 231   event->public.type = type;
 232   event->public.icon_name = g_strdup (icon_name);
 233   event->public.header = g_strdup (header);
 234   event->public.message = g_strdup (message);
 235   event->public.must_ack = (func != NULL);
 236   event->inhibit = FALSE;
 237   event->func = func;
 238   event->user_data = user_data;
 239   event->manager = manager;
 240   event->approval = approval;
 241
 242   DEBUG ("Adding event %p", event);
 243   priv->events = g_slist_prepend (priv->events, event);
 244
 245   if (!display_notify_area (manager))
 246     {
 247       /* Don't fire the 'event-added' signal as we activate the event now */
 248       if (approval != NULL)
 249         approval->auto_approved = TRUE;
 250
 251       empathy_event_activate (&event->public);
 252       return;
 253     }
 254
 255   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 256
 257   if (!event->public.must_ack)
 258     {
 259       event->autoremove_timeout_id = g_timeout_add_seconds (
 260           NOTIFICATION_TIMEOUT, (GSourceFunc) autoremove_event_timeout_cb,
 261           event);
 262     }
 263 }
 264
 265 static void
 266 handle_with_cb (GObject *source,
 267     GAsyncResult *result,
 268     gpointer user_data)
 269 {
 270   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 271   GError *error = NULL;
 272
 273   if (!tp_channel_dispatch_operation_handle_with_finish (cdo, result, &error))
 274     {
 275       DEBUG ("HandleWith failed: %s\n", error->message);
 276       g_error_free (error);
 277     }
 278 }
 279
 280 static void
 281 handle_with_time_cb (GObject *source,
 282     GAsyncResult *result,
 283     gpointer user_data)
 284 {
 285   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 286   GError *error = NULL;
 287
 288   if (!tp_channel_dispatch_operation_handle_with_time_finish (cdo, result,
 289         &error))
 290     {
 291       if (g_error_matches (error, TP_ERRORS, TP_ERROR_NOT_IMPLEMENTED))
 292         {
 293           EventManagerApproval *approval = user_data;
 294
 295           DEBUG ("HandleWithTime() is not implemented, falling back to "
 296               "HandleWith(). Please upgrade to telepathy-mission-control "
 297               "5.5.0 or later");
 298
 299           tp_channel_dispatch_operation_handle_with_async (approval->operation,
 300               NULL, handle_with_cb, approval);
 301         }
 302       else
 303         {
 304           DEBUG ("HandleWithTime failed: %s\n", error->message);
 305         }
 306       g_error_free (error);
 307     }
 308 }
 309
 310 static void
 311 event_manager_approval_approve (EventManagerApproval *approval)
 312 {
 313   gint64 timestamp;
 314
 315   if (approval->auto_approved)
 316     {
 317       timestamp = TP_USER_ACTION_TIME_NOT_USER_ACTION;
 318     }
 319   else
 320     {
 321       timestamp = empathy_get_current_action_time ();
 322     }
 323
 324   g_assert (approval->operation != NULL);
 325
 326   tp_channel_dispatch_operation_handle_with_time_async (approval->operation,
 327       NULL, timestamp, handle_with_time_cb, approval);
 328 }
 329
 330 static void
 331 event_channel_process_func (EventPriv *event)
 332 {
 333   event_manager_approval_approve (event->approval);
 334 }
 335
 336 static void
 337 event_text_channel_process_func (EventPriv *event)
 338 {
 339   EmpathyTpChat *tp_chat;
 340
 341   if (event->approval->handler != 0)
 342     {
 343       tp_chat = EMPATHY_TP_CHAT (event->approval->handler_instance);
 344
 345       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 346       event->approval->handler = 0;
 347     }
 348
 349   event_manager_approval_approve (event->approval);
 350 }
 351
 352 static EventPriv *
 353 event_lookup_by_approval (EmpathyEventManager *manager,
 354   EventManagerApproval *approval)
 355 {
 356   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 357   GSList *l;
 358   EventPriv *retval = NULL;
 359
 360   for (l = priv->events; l; l = l->next)
 361     {
 362       EventPriv *event = l->data;
 363
 364       if (event->approval == approval)
 365         {
 366           retval = event;
 367           break;
 368         }
 369     }
 370
 371   return retval;
 372 }
 373
 374 static void
 375 event_update (EmpathyEventManager *manager, EventPriv *event,
 376   const char *icon_name, const char *header, const char *msg)
 377 {
 378   g_free (event->public.icon_name);
 379   g_free (event->public.header);
 380   g_free (event->public.message);
 381
 382   event->public.icon_name = g_strdup (icon_name);
 383   event->public.header = g_strdup (header);
 384   event->public.message = g_strdup (msg);
 385
 386   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 387 }
 388
 389 static void
 390 reject_channel_claim_cb (GObject *source,
 391     GAsyncResult *result,
 392     gpointer user_data)
 393 {
 394   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 395   GError *error = NULL;
 396
 397   if (!tp_channel_dispatch_operation_claim_with_finish (cdo, result, &error))
 398     {
 399       DEBUG ("Failed to claim channel: %s", error->message);
 400
 401       g_error_free (error);
 402       goto out;
 403     }
 404
 405   if (EMPATHY_IS_TP_STREAMED_MEDIA (user_data))
 406     {
 407       empathy_tp_streamed_media_close (user_data);
 408     }
 409   else if (EMPATHY_IS_TP_CHAT (user_data))
 410     {
 411       empathy_tp_chat_leave (user_data, "");
 412     }
 413   else if (EMPATHY_IS_TP_FILE (user_data))
 414     {
 415       empathy_tp_file_close (user_data);
 416     }
 417
 418 out:
 419   g_object_unref (user_data);
 420 }
 421
 422 static void
 423 reject_auth_channel_claim_cb (GObject *source,
 424     GAsyncResult *result,
 425     gpointer user_data)
 426 {
 427   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 428   GError *error = NULL;
 429
 430   if (!tp_channel_dispatch_operation_claim_with_finish (cdo, result, &error))
 431     {
 432       DEBUG ("Failed to claim channel: %s", error->message);
 433
 434       g_error_free (error);
 435       return;
 436     }
 437
 438   tp_cli_channel_call_close (TP_CHANNEL (user_data), -1,
 439       NULL, NULL, NULL, NULL);
 440 }
 441
 442 static void
 443 reject_approval (EventManagerApproval *approval)
 444 {
 445   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 446
 447   /* We have to claim the channel before closing it */
 448
 449   /* Unfortunately, we need to special case the auth channels for the
 450    * time being as they don't have a wrapper object handler in
 451    * approval->handler_instance as they're not actually handled by
 452    * this process, so we can just use a noddy callback to call Close()
 453    * directly. */
 454   if (approval->handler_instance != NULL)
 455     {
 456       tp_channel_dispatch_operation_claim_with_async (approval->operation,
 457           priv->approver, reject_channel_claim_cb,
 458           g_object_ref (approval->handler_instance));
 459     }
 460   else if (tp_channel_get_channel_type_id (approval->main_channel)
 461       == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
 462     {
 463       tp_channel_dispatch_operation_claim_with_async (approval->operation,
 464           priv->auth_approver, reject_auth_channel_claim_cb,
 465           approval->main_channel);
 466     }
 467 }
 468
 469 static void
 470 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 471   gint response, gpointer user_data)
 472 {
 473   EventManagerApproval *approval = user_data;
 474
 475   gtk_widget_destroy (approval->dialog);
 476   approval->dialog = NULL;
 477
 478   if (response != GTK_RESPONSE_ACCEPT)
 479     {
 480       reject_approval (approval);
 481     }
 482   else
 483     {
 484       event_manager_approval_approve (approval);
 485     }
 486 }
 487
 488 static void
 489 event_channel_process_voip_func (EventPriv *event)
 490 {
 491   GtkWidget *dialog;
 492   GtkWidget *button;
 493   GtkWidget *image;
 494   EmpathyTpStreamedMedia *call;
 495   gboolean video;
 496   gchar *title;
 497
 498   if (event->approval->dialog != NULL)
 499     {
 500       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 501       return;
 502     }
 503
 504   call = EMPATHY_TP_STREAMED_MEDIA (event->approval->handler_instance);
 505
 506   video = empathy_tp_streamed_media_has_initial_video (call);
 507
 508   dialog = gtk_message_dialog_new (NULL, 0,
 509       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 510       video ? _("Incoming video call"): _("Incoming call"));
 511
 512   gtk_message_dialog_format_secondary_text (
 513     GTK_MESSAGE_DIALOG (dialog), video ?
 514       _("%s is video calling you. Do you want to answer?"):
 515       _("%s is calling you. Do you want to answer?"),
 516       empathy_contact_get_alias (event->approval->contact));
 517
 518   title = g_strdup_printf (_("Incoming call from %s"),
 519       empathy_contact_get_alias (event->approval->contact));
 520
 521   gtk_window_set_title (GTK_WINDOW (dialog), title);
 522   g_free (title);
 523
 524   /* Set image of the dialog */
 525   if (video)
 526     {
 527       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VIDEO_CALL,
 528           GTK_ICON_SIZE_DIALOG);
 529     }
 530   else
 531     {
 532       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VOIP,
 533           GTK_ICON_SIZE_DIALOG);
 534     }
 535
 536   gtk_message_dialog_set_image (GTK_MESSAGE_DIALOG (dialog), image);
 537   gtk_widget_show (image);
 538
 539   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 540       GTK_RESPONSE_OK);
 541
 542   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 543       _("_Reject"), GTK_RESPONSE_REJECT);
 544   image = gtk_image_new_from_icon_name ("call-stop",
 545     GTK_ICON_SIZE_BUTTON);
 546   gtk_button_set_image (GTK_BUTTON (button), image);
 547
 548   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 549       _("_Answer"), GTK_RESPONSE_ACCEPT);
 550
 551   image = gtk_image_new_from_icon_name ("call-start", GTK_ICON_SIZE_BUTTON);
 552   gtk_button_set_image (GTK_BUTTON (button), image);
 553
 554   g_signal_connect (dialog, "response",
 555       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 556       event->approval);
 557
 558   gtk_widget_show (dialog);
 559
 560   event->approval->dialog = dialog;
 561 }
 562
 563 static void
 564 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 565   EmpathyMessage *message,
 566   EventManagerApproval *approval)
 567 {
 568   GtkWidget       *window;
 569   EmpathyContact  *sender;
 570   const gchar     *header;
 571   const gchar     *msg;
 572   EventPriv       *event;
 573   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 574
 575   /* try to update the event if it's referring to a chat which is already in the
 576    * queue. */
 577   event = event_lookup_by_approval (approval->manager, approval);
 578
 579   sender = empathy_message_get_sender (message);
 580
 581   /* We only want to show incoming messages */
 582   if (empathy_contact_is_user (sender))
 583     return;
 584
 585   header = empathy_contact_get_alias (sender);
 586   msg = empathy_message_get_body (message);
 587
 588   if (event != NULL)
 589     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header,
 590         msg);
 591   else
 592     event_manager_add (approval->manager, NULL, sender,
 593         EMPATHY_EVENT_TYPE_CHAT, EMPATHY_IMAGE_NEW_MESSAGE, header, msg,
 594         approval, event_text_channel_process_func, NULL);
 595
 596   window = empathy_main_window_dup ();
 597
 598   empathy_sound_manager_play (priv->sound_mgr, window,
 599       EMPATHY_SOUND_CONVERSATION_NEW);
 600
 601   g_object_unref (window);
 602 }
 603
 604 static void
 605 event_manager_approval_done (EventManagerApproval *approval)
 606 {
 607   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 608   GSList                  *l;
 609
 610   if (approval->operation != NULL)
 611     {
 612       GQuark channel_type;
 613
 614       channel_type = tp_channel_get_channel_type_id (approval->main_channel);
 615
 616       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 617         {
 618           priv->ringing--;
 619           if (priv->ringing == 0)
 620             empathy_sound_manager_stop (priv->sound_mgr,
 621                 EMPATHY_SOUND_PHONE_INCOMING);
 622         }
 623     }
 624
 625   priv->approvals = g_slist_remove (priv->approvals, approval);
 626
 627   for (l = priv->events; l; l = l->next)
 628     {
 629       EventPriv *event = l->data;
 630
 631       if (event->approval == approval)
 632         {
 633           event_remove (event);
 634           break;
 635         }
 636     }
 637
 638   event_manager_approval_free (approval);
 639 }
 640
 641 static void
 642 cdo_invalidated_cb (TpProxy *cdo,
 643     guint domain,
 644     gint code,
 645     gchar *message,
 646     EventManagerApproval *approval)
 647 {
 648   DEBUG ("ChannelDispatchOperation has been invalidated: %s", message);
 649
 650   event_manager_approval_done (approval);
 651 }
 652
 653 static void
 654 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 655 {
 656   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 657   GtkWidget *window = empathy_main_window_dup ();
 658   gchar *header;
 659   EmpathyTpStreamedMedia *call;
 660   gboolean video;
 661
 662   call = EMPATHY_TP_STREAMED_MEDIA (approval->handler_instance);
 663
 664   video = empathy_tp_streamed_media_has_initial_video (call);
 665
 666   header = g_strdup_printf (
 667     video ? _("Incoming video call from %s") :_("Incoming call from %s"),
 668     empathy_contact_get_alias (approval->contact));
 669
 670   event_manager_add (approval->manager, NULL,
 671       approval->contact, EMPATHY_EVENT_TYPE_VOIP,
 672       video ? EMPATHY_IMAGE_VIDEO_CALL : EMPATHY_IMAGE_VOIP,
 673       header, NULL, approval,
 674       event_channel_process_voip_func, NULL);
 675
 676   g_free (header);
 677
 678   priv->ringing++;
 679   if (priv->ringing == 1)
 680     empathy_sound_manager_start_playing (priv->sound_mgr, window,
 681         EMPATHY_SOUND_PHONE_INCOMING, MS_BETWEEN_RING);
 682
 683   g_object_unref (window);
 684 }
 685
 686 static void
 687 event_manager_media_channel_contact_changed_cb (EmpathyTpStreamedMedia *call,
 688   GParamSpec *param, EventManagerApproval *approval)
 689 {
 690   EmpathyContact *contact;
 691
 692   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 693
 694   if (contact == NULL)
 695     return;
 696
 697   approval->contact = contact;
 698   event_manager_media_channel_got_contact (approval);
 699 }
 700
 701 static void
 702 invite_dialog_response_cb (GtkDialog *dialog,
 703                            gint response,
 704                            EventManagerApproval *approval)
 705 {
 706   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 707   approval->dialog = NULL;
 708
 709   if (response != GTK_RESPONSE_OK)
 710     {
 711       /* close channel */
 712       DEBUG ("Muc invitation rejected");
 713
 714       reject_approval (approval);
 715
 716       return;
 717     }
 718
 719   DEBUG ("Muc invitation accepted");
 720
 721   /* We'll join the room when handling the channel */
 722   event_manager_approval_approve (approval);
 723 }
 724
 725 static void
 726 event_room_channel_process_func (EventPriv *event)
 727 {
 728   GtkWidget *dialog, *button, *image;
 729   TpChannel *channel = event->approval->main_channel;
 730   gchar *title;
 731
 732   if (event->approval->dialog != NULL)
 733     {
 734       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 735       return;
 736     }
 737
 738   /* create dialog */
 739   dialog = gtk_message_dialog_new (NULL, 0,
 740       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 741
 742   title = g_strdup_printf (_("Invitation to join %s"),
 743       tp_channel_get_identifier (channel));
 744
 745   gtk_window_set_title (GTK_WINDOW (dialog), title);
 746   g_free (title);
 747
 748   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 749       _("%s is inviting you to join %s"),
 750       empathy_contact_get_alias (event->approval->contact),
 751       tp_channel_get_identifier (channel));
 752
 753   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 754       GTK_RESPONSE_OK);
 755
 756   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 757       _("_Decline"), GTK_RESPONSE_CANCEL);
 758   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 759   gtk_button_set_image (GTK_BUTTON (button), image);
 760
 761   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 762       _("_Join"), GTK_RESPONSE_OK);
 763   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 764   gtk_button_set_image (GTK_BUTTON (button), image);
 765
 766   g_signal_connect (dialog, "response",
 767       G_CALLBACK (invite_dialog_response_cb), event->approval);
 768
 769   gtk_widget_show (dialog);
 770
 771   event->approval->dialog = dialog;
 772 }
 773
 774 static void
 775 display_invite_room_dialog (EventManagerApproval *approval)
 776 {
 777   GtkWidget *window = empathy_main_window_dup ();
 778   const gchar *invite_msg;
 779   gchar *msg;
 780   TpHandle self_handle;
 781   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 782
 783   self_handle = tp_channel_group_get_self_handle (approval->main_channel);
 784   tp_channel_group_get_local_pending_info (approval->main_channel, self_handle,
 785       NULL, NULL, &invite_msg);
 786
 787   if (approval->contact != NULL)
 788     {
 789       msg = g_strdup_printf (_("%s invited you to join %s"),
 790           empathy_contact_get_alias (approval->contact),
 791           tp_channel_get_identifier (approval->main_channel));
 792     }
 793   else
 794     {
 795       msg = g_strdup_printf (_("You have been invited to join %s"),
 796           tp_channel_get_identifier (approval->main_channel));
 797     }
 798
 799   event_manager_add (approval->manager, NULL,
 800       approval->contact, EMPATHY_EVENT_TYPE_INVITATION,
 801       EMPATHY_IMAGE_GROUP_MESSAGE, msg, invite_msg, approval,
 802       event_room_channel_process_func, NULL);
 803
 804   empathy_sound_manager_play (priv->sound_mgr, window,
 805       EMPATHY_SOUND_CONVERSATION_NEW);
 806
 807   g_free (msg);
 808   g_object_unref (window);
 809 }
 810
 811 static void
 812 event_manager_muc_invite_got_contact_cb (TpConnection *connection,
 813                                          EmpathyContact *contact,
 814                                          const GError *error,
 815                                          gpointer user_data,
 816                                          GObject *object)
 817 {
 818   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 819
 820   if (error != NULL)
 821     {
 822       DEBUG ("Error: %s", error->message);
 823     }
 824   else
 825     {
 826       approval->contact = g_object_ref (contact);
 827     }
 828
 829   display_invite_room_dialog (approval);
 830 }
 831
 832 static void
 833 event_manager_ft_got_contact_cb (TpConnection *connection,
 834                                  EmpathyContact *contact,
 835                                  const GError *error,
 836                                  gpointer user_data,
 837                                  GObject *object)
 838 {
 839   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 840   GtkWidget *window = empathy_main_window_dup ();
 841   char *header;
 842   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 843
 844   approval->contact = g_object_ref (contact);
 845
 846   header = g_strdup_printf (_("Incoming file transfer from %s"),
 847                             empathy_contact_get_alias (approval->contact));
 848
 849   event_manager_add (approval->manager, NULL,
 850       approval->contact, EMPATHY_EVENT_TYPE_TRANSFER,
 851       EMPATHY_IMAGE_DOCUMENT_SEND, header, NULL,
 852       approval, event_channel_process_func, NULL);
 853
 854   /* FIXME better sound for incoming file transfers ?*/
 855   empathy_sound_manager_play (priv->sound_mgr, window,
 856       EMPATHY_SOUND_CONVERSATION_NEW);
 857
 858   g_free (header);
 859   g_object_unref (window);
 860 }
 861
 862 static void
 863 event_manager_auth_process_func (EventPriv *event)
 864 {
 865   empathy_event_approve ((EmpathyEvent *) event);
 866 }
 867
 868 /* If there is a file-transfer, media, or auth channel consider it as
 869  * the main one. */
 870 static TpChannel *
 871 find_main_channel (GList *channels)
 872 {
 873   GList *l;
 874   TpChannel *text = NULL;
 875
 876   for (l = channels; l != NULL; l = g_list_next (l))
 877     {
 878       TpChannel *channel = l->data;
 879       GQuark channel_type;
 880
 881       if (tp_proxy_get_invalidated (channel) != NULL)
 882         continue;
 883
 884       channel_type = tp_channel_get_channel_type_id (channel);
 885
 886       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
 887           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER ||
 888           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
 889         return channel;
 890
 891       else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 892         text = channel;
 893     }
 894
 895   return text;
 896 }
 897
 898 static void
 899 approve_channels (TpSimpleApprover *approver,
 900     TpAccount *account,
 901     TpConnection *connection,
 902     GList *channels,
 903     TpChannelDispatchOperation *dispatch_operation,
 904     TpAddDispatchOperationContext *context,
 905     gpointer user_data)
 906 {
 907   EmpathyEventManager *self = user_data;
 908   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 909   TpChannel *channel;
 910   EventManagerApproval *approval;
 911   GQuark channel_type;
 912
 913   channel = find_main_channel (channels);
 914   if (channel == NULL)
 915     {
 916       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 917           "Unknown channel type" };
 918
 919       DEBUG ("Failed to find the main channel; ignoring");
 920
 921       tp_add_dispatch_operation_context_fail (context, &error);
 922       return;
 923     }
 924
 925   approval = event_manager_approval_new (self, dispatch_operation, channel);
 926   priv->approvals = g_slist_prepend (priv->approvals, approval);
 927
 928   approval->invalidated_handler = g_signal_connect (dispatch_operation,
 929       "invalidated", G_CALLBACK (cdo_invalidated_cb), approval);
 930
 931   channel_type = tp_channel_get_channel_type_id (channel);
 932
 933   if (TP_IS_TEXT_CHANNEL (channel))
 934     {
 935       EmpathyTpChat *tp_chat = EMPATHY_TP_CHAT (channel);
 936       GList *messages, *l;
 937
 938       approval->handler_instance = g_object_ref (tp_chat);
 939
 940       if (tp_proxy_has_interface (channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
 941         {
 942           /* Are we in local-pending ? */
 943           TpHandle inviter;
 944
 945           if (empathy_tp_chat_is_invited (tp_chat, &inviter))
 946             {
 947               /* We are invited to a room */
 948               DEBUG ("Have been invited to %s. Ask user if he wants to accept",
 949                   tp_channel_get_identifier (channel));
 950
 951               if (inviter != 0)
 952                 {
 953                   empathy_tp_contact_factory_get_from_handle (connection,
 954                       inviter, event_manager_muc_invite_got_contact_cb,
 955                       approval, NULL, G_OBJECT (self));
 956                 }
 957               else
 958                 {
 959                   display_invite_room_dialog (approval);
 960                 }
 961
 962               goto out;
 963             }
 964
 965           /* We are not invited, approve the channel right now */
 966           tp_add_dispatch_operation_context_accept (context);
 967
 968           approval->auto_approved = TRUE;
 969           event_manager_approval_approve (approval);
 970           return;
 971         }
 972
 973       /* 1-1 text channel, wait for the first message */
 974       approval->handler = g_signal_connect (tp_chat, "message-received-empathy",
 975         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 976
 977       messages = (GList *) empathy_tp_chat_get_pending_messages (tp_chat);
 978       for (l = messages; l != NULL; l = g_list_next (l))
 979         {
 980           EmpathyMessage *msg = l->data;
 981
 982           event_manager_chat_message_received_cb (tp_chat, msg, approval);
 983         }
 984     }
 985   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 986     {
 987       EmpathyContact *contact;
 988       EmpathyTpStreamedMedia *call = empathy_tp_streamed_media_new (account, channel);
 989
 990       approval->handler_instance = G_OBJECT (call);
 991
 992       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 993
 994       if (contact == NULL)
 995         {
 996           g_signal_connect (call, "notify::contact",
 997             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 998             approval);
 999         }
1000       else
1001         {
1002           approval->contact = contact;
1003           event_manager_media_channel_got_contact (approval);
1004         }
1005
1006     }
1007   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
1008     {
1009       TpHandle handle;
1010       EmpathyTpFile *tp_file = empathy_tp_file_new (channel);
1011
1012       approval->handler_instance = G_OBJECT (tp_file);
1013
1014       handle = tp_channel_get_handle (channel, NULL);
1015
1016       connection = tp_channel_borrow_connection (channel);
1017       empathy_tp_contact_factory_get_from_handle (connection, handle,
1018         event_manager_ft_got_contact_cb, approval, NULL, G_OBJECT (self));
1019     }
1020   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_SERVER_AUTHENTICATION)
1021     {
1022       event_manager_add (approval->manager, account, NULL, EMPATHY_EVENT_TYPE_AUTH,
1023           GTK_STOCK_DIALOG_AUTHENTICATION, tp_account_get_display_name (account),
1024           _("Password required"), approval,
1025           event_manager_auth_process_func, NULL);
1026     }
1027   else
1028     {
1029       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
1030           "Invalid channel type" };
1031
1032       DEBUG ("Unknown channel type (%s), ignoring..",
1033           g_quark_to_string (channel_type));
1034
1035       tp_add_dispatch_operation_context_fail (context, &error);
1036       return;
1037     }
1038
1039 out:
1040   tp_add_dispatch_operation_context_accept (context);
1041 }
1042
1043 static void
1044 event_pending_subscribe_func (EventPriv *event)
1045 {
1046   empathy_subscription_dialog_show (event->public.contact, event->public.header,
1047       NULL);
1048   event_remove (event);
1049 }
1050
1051 static void
1052 event_manager_pendings_changed_cb (EmpathyContactList  *list,
1053   EmpathyContact *contact, EmpathyContact *actor,
1054   guint reason, gchar *message, gboolean is_pending,
1055   EmpathyEventManager *manager)
1056 {
1057   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1058   gchar                   *header, *event_msg;
1059
1060   if (!is_pending)
1061     {
1062       GSList *l;
1063
1064       for (l = priv->events; l; l = l->next)
1065         {
1066           EventPriv *event = l->data;
1067
1068           if (event->public.contact == contact &&
1069               event->func == event_pending_subscribe_func)
1070             {
1071               event_remove (event);
1072               break;
1073             }
1074         }
1075
1076       return;
1077     }
1078
1079   header = g_strdup_printf (
1080       _("%s would like permission to see when you are online"),
1081       empathy_contact_get_alias (contact));
1082
1083   if (!EMP_STR_EMPTY (message))
1084     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
1085   else
1086     event_msg = NULL;
1087
1088   event_manager_add (manager, NULL, contact, EMPATHY_EVENT_TYPE_SUBSCRIPTION,
1089       GTK_STOCK_DIALOG_QUESTION, header, event_msg, NULL,
1090       event_pending_subscribe_func, NULL);
1091
1092   g_free (event_msg);
1093   g_free (header);
1094 }
1095
1096 static void
1097 event_manager_presence_changed_cb (EmpathyContact *contact,
1098     TpConnectionPresenceType current,
1099     TpConnectionPresenceType previous,
1100     EmpathyEventManager *manager)
1101 {
1102   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1103   TpAccount *account;
1104   EmpathyPresenceManager *presence_mgr;
1105   GtkWidget *window = empathy_main_window_dup ();
1106
1107   account = empathy_contact_get_account (contact);
1108   presence_mgr = empathy_presence_manager_dup_singleton ();
1109
1110   if (empathy_presence_manager_account_is_just_connected (presence_mgr, account))
1111     goto out;
1112
1113   if (tp_connection_presence_type_cmp_availability (previous,
1114         TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1115     {
1116       /* contact was online */
1117       if (tp_connection_presence_type_cmp_availability (current,
1118           TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
1119         {
1120           /* someone is logging off */
1121           empathy_sound_manager_play (priv->sound_mgr, window,
1122               EMPATHY_SOUND_CONTACT_DISCONNECTED);
1123
1124           if (g_settings_get_boolean (priv->gsettings_notif,
1125                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNOUT))
1126             {
1127               event_manager_add (manager, NULL, contact,
1128                   EMPATHY_EVENT_TYPE_PRESENCE_OFFLINE,
1129                   EMPATHY_IMAGE_AVATAR_DEFAULT,
1130                   empathy_contact_get_alias (contact), _("Disconnected"),
1131                   NULL, NULL, NULL);
1132             }
1133         }
1134     }
1135   else
1136     {
1137       /* contact was offline */
1138       if (tp_connection_presence_type_cmp_availability (current,
1139             TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1140         {
1141           /* someone is logging in */
1142           empathy_sound_manager_play (priv->sound_mgr, window,
1143               EMPATHY_SOUND_CONTACT_CONNECTED);
1144
1145           if (g_settings_get_boolean (priv->gsettings_notif,
1146                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNIN))
1147             {
1148               event_manager_add (manager, NULL, contact,
1149                   EMPATHY_EVENT_TYPE_PRESENCE_ONLINE,
1150                   EMPATHY_IMAGE_AVATAR_DEFAULT,
1151                   empathy_contact_get_alias (contact), _("Connected"),
1152                   NULL, NULL, NULL);
1153             }
1154         }
1155     }
1156
1157 out:
1158   g_object_unref (presence_mgr);
1159   g_object_unref (window);
1160 }
1161
1162 static void
1163 event_manager_members_changed_cb (EmpathyContactList  *list,
1164     EmpathyContact *contact,
1165     EmpathyContact *actor,
1166     guint reason,
1167     gchar *message,
1168     gboolean is_member,
1169     EmpathyEventManager *manager)
1170 {
1171   if (is_member)
1172     g_signal_connect (contact, "presence-changed",
1173         G_CALLBACK (event_manager_presence_changed_cb), manager);
1174   else
1175     g_signal_handlers_disconnect_by_func (contact,
1176         event_manager_presence_changed_cb, manager);
1177 }
1178
1179 static GObject *
1180 event_manager_constructor (GType type,
1181                            guint n_props,
1182                            GObjectConstructParam *props)
1183 {
1184         GObject *retval;
1185
1186         if (manager_singleton) {
1187                 retval = g_object_ref (manager_singleton);
1188         } else {
1189                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
1190                         (type, n_props, props);
1191
1192                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
1193                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
1194         }
1195
1196         return retval;
1197 }
1198
1199 static void
1200 event_manager_finalize (GObject *object)
1201 {
1202   EmpathyEventManagerPriv *priv = GET_PRIV (object);
1203
1204   if (priv->ringing > 0)
1205     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_INCOMING);
1206
1207   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1208   g_slist_free (priv->events);
1209   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1210   g_slist_free (priv->approvals);
1211   g_object_unref (priv->contact_manager);
1212   g_object_unref (priv->approver);
1213   g_object_unref (priv->auth_approver);
1214   g_object_unref (priv->gsettings_notif);
1215   g_object_unref (priv->gsettings_ui);
1216   g_object_unref (priv->sound_mgr);
1217 }
1218
1219 static void
1220 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1221 {
1222   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1223
1224   object_class->finalize = event_manager_finalize;
1225   object_class->constructor = event_manager_constructor;
1226
1227   signals[EVENT_ADDED] =
1228     g_signal_new ("event-added",
1229       G_TYPE_FROM_CLASS (klass),
1230       G_SIGNAL_RUN_LAST,
1231       0,
1232       NULL, NULL,
1233       g_cclosure_marshal_VOID__POINTER,
1234       G_TYPE_NONE,
1235       1, G_TYPE_POINTER);
1236
1237   signals[EVENT_REMOVED] =
1238   g_signal_new ("event-removed",
1239       G_TYPE_FROM_CLASS (klass),
1240       G_SIGNAL_RUN_LAST,
1241       0,
1242       NULL, NULL,
1243       g_cclosure_marshal_VOID__POINTER,
1244       G_TYPE_NONE, 1, G_TYPE_POINTER);
1245
1246   signals[EVENT_UPDATED] =
1247   g_signal_new ("event-updated",
1248       G_TYPE_FROM_CLASS (klass),
1249       G_SIGNAL_RUN_LAST,
1250       0,
1251       NULL, NULL,
1252       g_cclosure_marshal_VOID__POINTER,
1253       G_TYPE_NONE, 1, G_TYPE_POINTER);
1254
1255   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1256 }
1257
1258 static void
1259 empathy_event_manager_init (EmpathyEventManager *manager)
1260 {
1261   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1262     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1263   TpDBusDaemon *dbus;
1264   GError *error = NULL;
1265   EmpathyChannelFactory *factory;
1266
1267   manager->priv = priv;
1268
1269   priv->gsettings_notif = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
1270   priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
1271
1272   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1273
1274   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1275   g_signal_connect (priv->contact_manager, "pendings-changed",
1276     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1277
1278   g_signal_connect (priv->contact_manager, "members-changed",
1279     G_CALLBACK (event_manager_members_changed_cb), manager);
1280
1281   dbus = tp_dbus_daemon_dup (&error);
1282   if (dbus == NULL)
1283     {
1284       DEBUG ("Failed to get TpDBusDaemon: %s", error->message);
1285       g_error_free (error);
1286       return;
1287     }
1288
1289   priv->approver = tp_simple_approver_new (dbus, "Empathy.EventManager", FALSE,
1290       approve_channels, manager, NULL);
1291
1292   /* EmpathyTpChat relies on this feature being prepared */
1293   tp_base_client_add_connection_features_varargs (priv->approver,
1294     TP_CONNECTION_FEATURE_CAPABILITIES, 0);
1295
1296   /* Private text channels */
1297   tp_base_client_take_approver_filter (priv->approver,
1298       tp_asv_new (
1299         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1300         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1301         NULL));
1302
1303   /* Muc text channels */
1304   tp_base_client_take_approver_filter (priv->approver,
1305       tp_asv_new (
1306         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1307         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
1308         NULL));
1309
1310   /* File transfer */
1311   tp_base_client_take_approver_filter (priv->approver,
1312       tp_asv_new (
1313         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1314           TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
1315         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1316         NULL));
1317
1318   /* Calls */
1319   tp_base_client_take_approver_filter (priv->approver,
1320       tp_asv_new (
1321         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1322           TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
1323         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1324         NULL));
1325
1326   /* I don't feel good about doing this, and I'm sorry, but the
1327    * capabilities connection feature is added earlier because it's
1328    * needed for EmpathyTpChat. If the capabilities feature is required
1329    * then preparing an auth channel (which of course appears in the
1330    * CONNECTING state) will never be prepared. So the options are
1331    * either to create another approver like I've done, or to port
1332    * EmpathyTpChat and its users to not depend on the connection being
1333    * prepared with capabilities. I chose the former, obviously. :-) */
1334
1335   priv->auth_approver = tp_simple_approver_new (dbus,
1336       "Empathy.AuthEventManager", FALSE, approve_channels, manager,
1337       NULL);
1338
1339   /* SASL auth channels */
1340   tp_base_client_take_approver_filter (priv->auth_approver,
1341       tp_asv_new (
1342         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1343           TP_IFACE_CHANNEL_TYPE_SERVER_AUTHENTICATION,
1344         TP_PROP_CHANNEL_TYPE_SERVER_AUTHENTICATION_AUTHENTICATION_METHOD,
1345           G_TYPE_STRING,
1346           TP_IFACE_CHANNEL_INTERFACE_SASL_AUTHENTICATION,
1347         NULL));
1348
1349   factory = empathy_channel_factory_dup ();
1350
1351   tp_base_client_set_channel_factory (priv->approver,
1352       TP_CLIENT_CHANNEL_FACTORY (factory));
1353
1354   if (!tp_base_client_register (priv->approver, &error))
1355     {
1356       DEBUG ("Failed to register Approver: %s", error->message);
1357       g_error_free (error);
1358     }
1359
1360   if (!tp_base_client_register (priv->auth_approver, &error))
1361     {
1362       DEBUG ("Failed to register auth Approver: %s", error->message);
1363       g_error_free (error);
1364     }
1365
1366   g_object_unref (factory);
1367   g_object_unref (dbus);
1368 }
1369
1370 EmpathyEventManager *
1371 empathy_event_manager_dup_singleton (void)
1372 {
1373   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1374 }
1375
1376 GSList *
1377 empathy_event_manager_get_events (EmpathyEventManager *manager)
1378 {
1379   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1380
1381   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1382
1383   return priv->events;
1384 }
1385
1386 EmpathyEvent *
1387 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1388 {
1389   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1390
1391   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1392
1393   return priv->events ? priv->events->data : NULL;
1394 }
1395
1396 void
1397 empathy_event_activate (EmpathyEvent *event_public)
1398 {
1399   EventPriv *event = (EventPriv *) event_public;
1400
1401   g_return_if_fail (event_public != NULL);
1402
1403   if (event->func)
1404     event->func (event);
1405   else
1406     event_remove (event);
1407 }
1408
1409 void
1410 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1411 {
1412   EventPriv *event = (EventPriv *) event_public;
1413
1414   g_return_if_fail (event_public != NULL);
1415
1416   event->inhibit = TRUE;
1417 }
1418
1419 void
1420 empathy_event_approve (EmpathyEvent *event_public)
1421 {
1422   EventPriv *event = (EventPriv *) event_public;
1423
1424   g_return_if_fail (event_public != NULL);
1425
1426   event_manager_approval_approve (event->approval);
1427 }
1428
1429 void
1430 empathy_event_decline (EmpathyEvent *event_public)
1431 {
1432   EventPriv *event = (EventPriv *) event_public;
1433
1434   g_return_if_fail (event_public != NULL);
1435
1436   reject_approval (event->approval);
1437 }