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-dispatcher.h>
  33 #include <libempathy/empathy-idle.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-call.h>
  38 #include <libempathy/empathy-tp-file.h>
  39 #include <libempathy/empathy-utils.h>
  40 #include <libempathy/empathy-call-factory.h>
  41 #include <libempathy/empathy-gsettings.h>
  42
  43 #include <extensions/extensions.h>
  44
  45 #include <libempathy-gtk/empathy-images.h>
  46 #include <libempathy-gtk/empathy-contact-dialogs.h>
  47 #include <libempathy-gtk/empathy-sound.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 } EventManagerApproval;
  76
  77 typedef struct {
  78   EmpathyDispatcher *dispatcher;
  79   TpBaseClient *approver;
  80   EmpathyContactManager *contact_manager;
  81   GSList *events;
  82   /* Ongoing approvals */
  83   GSList *approvals;
  84
  85   gint ringing;
  86 } EmpathyEventManagerPriv;
  87
  88 typedef struct _EventPriv EventPriv;
  89 typedef void (*EventFunc) (EventPriv *event);
  90
  91 struct _EventPriv {
  92   EmpathyEvent public;
  93   EmpathyEventManager *manager;
  94   EventManagerApproval *approval;
  95   EventFunc func;
  96   gboolean inhibit;
  97   gpointer user_data;
  98   guint autoremove_timeout_id;
  99 };
 100
 101 enum {
 102   EVENT_ADDED,
 103   EVENT_REMOVED,
 104   EVENT_UPDATED,
 105   LAST_SIGNAL
 106 };
 107
 108 static guint signals[LAST_SIGNAL];
 109
 110 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 111
 112 static EmpathyEventManager * manager_singleton = NULL;
 113
 114 static EventManagerApproval *
 115 event_manager_approval_new (EmpathyEventManager *manager,
 116   TpChannelDispatchOperation *operation,
 117   TpChannel *main_channel)
 118 {
 119   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 120   result->operation = g_object_ref (operation);
 121   result->manager = manager;
 122   result->main_channel = g_object_ref (main_channel);
 123
 124   return result;
 125 }
 126
 127 static void
 128 event_manager_approval_free (EventManagerApproval *approval)
 129 {
 130   g_signal_handler_disconnect (approval->operation,
 131     approval->invalidated_handler);
 132   g_object_unref (approval->operation);
 133
 134   g_object_unref (approval->main_channel);
 135
 136   if (approval->handler != 0)
 137     g_signal_handler_disconnect (approval->handler_instance,
 138       approval->handler);
 139
 140   if (approval->handler_instance != NULL)
 141     g_object_unref (approval->handler_instance);
 142
 143   if (approval->contact != NULL)
 144     g_object_unref (approval->contact);
 145
 146   if (approval->dialog != NULL)
 147     {
 148       gtk_widget_destroy (approval->dialog);
 149     }
 150
 151   g_slice_free (EventManagerApproval, approval);
 152 }
 153
 154 static void event_remove (EventPriv *event);
 155
 156 static void
 157 event_free (EventPriv *event)
 158 {
 159   g_free (event->public.icon_name);
 160   g_free (event->public.header);
 161   g_free (event->public.message);
 162
 163   if (event->autoremove_timeout_id != 0)
 164     g_source_remove (event->autoremove_timeout_id);
 165
 166   if (event->public.contact)
 167     {
 168       g_object_unref (event->public.contact);
 169     }
 170
 171   g_slice_free (EventPriv, event);
 172 }
 173
 174 static void
 175 event_remove (EventPriv *event)
 176 {
 177   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 178
 179   DEBUG ("Removing event %p", event);
 180
 181   priv->events = g_slist_remove (priv->events, event);
 182   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 183   event_free (event);
 184 }
 185
 186 static gboolean
 187 autoremove_event_timeout_cb (EventPriv *event)
 188 {
 189   event->autoremove_timeout_id = 0;
 190   event_remove (event);
 191   return FALSE;
 192 }
 193
 194 static void
 195 event_manager_add (EmpathyEventManager *manager,
 196     EmpathyContact *contact,
 197     EmpathyEventType type,
 198     const gchar *icon_name,
 199     const gchar *header,
 200     const gchar *message,
 201     EventManagerApproval *approval,
 202     EventFunc func,
 203     gpointer user_data)
 204 {
 205   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 206   EventPriv               *event;
 207
 208   event = g_slice_new0 (EventPriv);
 209   event->public.contact = contact ? g_object_ref (contact) : NULL;
 210   event->public.type = type;
 211   event->public.icon_name = g_strdup (icon_name);
 212   event->public.header = g_strdup (header);
 213   event->public.message = g_strdup (message);
 214   event->public.must_ack = (func != NULL);
 215   event->inhibit = FALSE;
 216   event->func = func;
 217   event->user_data = user_data;
 218   event->manager = manager;
 219   event->approval = approval;
 220
 221   DEBUG ("Adding event %p", event);
 222   priv->events = g_slist_prepend (priv->events, event);
 223   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 224
 225   if (!event->public.must_ack)
 226     {
 227       event->autoremove_timeout_id = g_timeout_add_seconds (
 228           NOTIFICATION_TIMEOUT, (GSourceFunc) autoremove_event_timeout_cb,
 229           event);
 230     }
 231 }
 232
 233 static void
 234 handle_with_cb (GObject *source,
 235     GAsyncResult *result,
 236     gpointer user_data)
 237 {
 238   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 239   GError *error = NULL;
 240
 241   if (!tp_channel_dispatch_operation_handle_with_finish (cdo, result, &error))
 242     {
 243       DEBUG ("HandleWith failed: %s\n", error->message);
 244       g_error_free (error);
 245     }
 246 }
 247
 248 static void
 249 handle_with_time_cb (GObject *source,
 250     GAsyncResult *result,
 251     gpointer user_data)
 252 {
 253   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 254   GError *error = NULL;
 255
 256   if (!tp_channel_dispatch_operation_handle_with_time_finish (cdo, result,
 257         &error))
 258     {
 259       if (g_error_matches (error, TP_ERRORS, TP_ERROR_NOT_IMPLEMENTED))
 260         {
 261           EventManagerApproval *approval = user_data;
 262
 263           DEBUG ("HandleWithTime() is not implemented, falling back to "
 264               "HandleWith(). Please upgrade to telepathy-mission-control "
 265               "5.5.0 or later");
 266
 267           tp_channel_dispatch_operation_handle_with_async (approval->operation,
 268               NULL, handle_with_cb, approval);
 269         }
 270       else
 271         {
 272           DEBUG ("HandleWithTime failed: %s\n", error->message);
 273         }
 274       g_error_free (error);
 275     }
 276 }
 277
 278 static void
 279 event_manager_approval_approve (EventManagerApproval *approval)
 280 {
 281   gint64 timestamp = gtk_get_current_event_time ();
 282
 283   if (timestamp == GDK_CURRENT_TIME)
 284     timestamp = EMPATHY_DISPATCHER_CURRENT_TIME;
 285
 286   g_assert (approval->operation != NULL);
 287
 288   tp_channel_dispatch_operation_handle_with_time_async (approval->operation,
 289       NULL, timestamp, handle_with_time_cb, approval);
 290 }
 291
 292 static void
 293 event_channel_process_func (EventPriv *event)
 294 {
 295   event_manager_approval_approve (event->approval);
 296 }
 297
 298 static void
 299 event_text_channel_process_func (EventPriv *event)
 300 {
 301   EmpathyTpChat *tp_chat;
 302   gint64 timestamp = gtk_get_current_event_time ();
 303   if (timestamp == GDK_CURRENT_TIME)
 304     timestamp = EMPATHY_DISPATCHER_CURRENT_TIME;
 305
 306   if (event->approval->handler != 0)
 307     {
 308       tp_chat = EMPATHY_TP_CHAT (event->approval->handler_instance);
 309
 310       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 311       event->approval->handler = 0;
 312     }
 313
 314   event_manager_approval_approve (event->approval);
 315 }
 316
 317 static EventPriv *
 318 event_lookup_by_approval (EmpathyEventManager *manager,
 319   EventManagerApproval *approval)
 320 {
 321   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 322   GSList *l;
 323   EventPriv *retval = NULL;
 324
 325   for (l = priv->events; l; l = l->next)
 326     {
 327       EventPriv *event = l->data;
 328
 329       if (event->approval == approval)
 330         {
 331           retval = event;
 332           break;
 333         }
 334     }
 335
 336   return retval;
 337 }
 338
 339 static void
 340 event_update (EmpathyEventManager *manager, EventPriv *event,
 341   const char *icon_name, const char *header, const char *msg)
 342 {
 343   g_free (event->public.icon_name);
 344   g_free (event->public.header);
 345   g_free (event->public.message);
 346
 347   event->public.icon_name = g_strdup (icon_name);
 348   event->public.header = g_strdup (header);
 349   event->public.message = g_strdup (msg);
 350
 351   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 352 }
 353
 354 static void
 355 reject_channel_claim_cb (GObject *source,
 356     GAsyncResult *result,
 357     gpointer user_data)
 358 {
 359   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 360   GError *error = NULL;
 361
 362   if (!tp_channel_dispatch_operation_claim_finish (cdo, result, &error))
 363     {
 364       DEBUG ("Failed to claim channel: %s", error->message);
 365
 366       g_error_free (error);
 367       goto out;
 368     }
 369
 370   if (EMPATHY_IS_TP_CALL (user_data))
 371     {
 372       empathy_tp_call_close (user_data);
 373     }
 374   else if (EMPATHY_IS_TP_CHAT (user_data))
 375     {
 376       empathy_tp_chat_leave (user_data);
 377     }
 378
 379 out:
 380   g_object_unref (user_data);
 381 }
 382
 383 static void
 384 reject_approval (EventManagerApproval *approval)
 385 {
 386   /* We have to claim the channel before closing it */
 387   tp_channel_dispatch_operation_claim_async (approval->operation,
 388       reject_channel_claim_cb, g_object_ref (approval->handler_instance));
 389 }
 390
 391 static void
 392 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 393   gint response, gpointer user_data)
 394 {
 395   EventManagerApproval *approval = user_data;
 396
 397   gtk_widget_destroy (approval->dialog);
 398   approval->dialog = NULL;
 399
 400   if (response != GTK_RESPONSE_ACCEPT)
 401     {
 402       reject_approval (approval);
 403     }
 404   else
 405     {
 406       event_manager_approval_approve (approval);
 407     }
 408 }
 409
 410 static void
 411 event_channel_process_voip_func (EventPriv *event)
 412 {
 413   GtkWidget *dialog;
 414   GtkWidget *button;
 415   GtkWidget *image;
 416   EmpathyTpCall *call;
 417   gboolean video;
 418
 419   if (event->approval->dialog != NULL)
 420     {
 421       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 422       return;
 423     }
 424
 425   call = EMPATHY_TP_CALL (event->approval->handler_instance);
 426
 427   video = empathy_tp_call_has_initial_video (call);
 428
 429   dialog = gtk_message_dialog_new (NULL, 0,
 430       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 431       video ? _("Incoming video call"): _("Incoming call"));
 432
 433   gtk_message_dialog_format_secondary_text (
 434     GTK_MESSAGE_DIALOG (dialog), video ?
 435       _("%s is video calling you. Do you want to answer?"):
 436       _("%s is calling you. Do you want to answer?"),
 437       empathy_contact_get_name (event->approval->contact));
 438
 439   /* Set image of the dialog */
 440   if (video)
 441     {
 442       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VIDEO_CALL,
 443           GTK_ICON_SIZE_DIALOG);
 444     }
 445   else
 446     {
 447       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VOIP,
 448           GTK_ICON_SIZE_DIALOG);
 449     }
 450
 451   gtk_message_dialog_set_image (GTK_MESSAGE_DIALOG (dialog), image);
 452   gtk_widget_show (image);
 453
 454   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 455       GTK_RESPONSE_OK);
 456
 457   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 458       _("_Reject"), GTK_RESPONSE_REJECT);
 459   image = gtk_image_new_from_icon_name ("call-stop",
 460     GTK_ICON_SIZE_BUTTON);
 461   gtk_button_set_image (GTK_BUTTON (button), image);
 462
 463   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 464       _("_Answer"), GTK_RESPONSE_ACCEPT);
 465
 466   image = gtk_image_new_from_icon_name ("call-start", GTK_ICON_SIZE_BUTTON);
 467   gtk_button_set_image (GTK_BUTTON (button), image);
 468
 469   g_signal_connect (dialog, "response",
 470       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 471       event->approval);
 472
 473   gtk_widget_show (dialog);
 474
 475   event->approval->dialog = dialog;
 476 }
 477
 478 static void
 479 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 480   EmpathyMessage *message,
 481   EventManagerApproval *approval)
 482 {
 483   GtkWidget       *window = empathy_main_window_dup ();
 484   EmpathyContact  *sender;
 485   const gchar     *header;
 486   const gchar     *msg;
 487   TpChannel       *channel;
 488   EventPriv       *event;
 489
 490   /* try to update the event if it's referring to a chat which is already in the
 491    * queue. */
 492   event = event_lookup_by_approval (approval->manager, approval);
 493
 494   sender = empathy_message_get_sender (message);
 495   header = empathy_contact_get_name (sender);
 496   msg = empathy_message_get_body (message);
 497
 498   channel = empathy_tp_chat_get_channel (tp_chat);
 499
 500   if (event != NULL)
 501     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header,
 502         msg);
 503   else
 504     event_manager_add (approval->manager, sender, EMPATHY_EVENT_TYPE_CHAT,
 505         EMPATHY_IMAGE_NEW_MESSAGE, header, msg, approval,
 506         event_text_channel_process_func, NULL);
 507
 508   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 509
 510   g_object_unref (window);
 511 }
 512
 513 static void
 514 event_manager_approval_done (EventManagerApproval *approval)
 515 {
 516   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 517   GSList                  *l;
 518
 519   if (approval->operation != NULL)
 520     {
 521       GQuark channel_type;
 522
 523       channel_type = tp_channel_get_channel_type_id (approval->main_channel);
 524
 525       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 526         {
 527           priv->ringing--;
 528           if (priv->ringing == 0)
 529             empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
 530         }
 531     }
 532
 533   priv->approvals = g_slist_remove (priv->approvals, approval);
 534
 535   for (l = priv->events; l; l = l->next)
 536     {
 537       EventPriv *event = l->data;
 538
 539       if (event->approval == approval)
 540         {
 541           event_remove (event);
 542           break;
 543         }
 544     }
 545
 546   event_manager_approval_free (approval);
 547 }
 548
 549 static void
 550 cdo_invalidated_cb (TpProxy *cdo,
 551     guint domain,
 552     gint code,
 553     gchar *message,
 554     EventManagerApproval *approval)
 555 {
 556   DEBUG ("ChannelDispatchOperation has been invalidated: %s", message);
 557
 558   event_manager_approval_done (approval);
 559 }
 560
 561 static void
 562 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 563 {
 564   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 565   GtkWidget *window = empathy_main_window_dup ();
 566   gchar *header;
 567   EmpathyTpCall *call;
 568   gboolean video;
 569
 570   call = EMPATHY_TP_CALL (approval->handler_instance);
 571
 572   video = empathy_tp_call_has_initial_video (call);
 573
 574   header = g_strdup_printf (
 575     video ? _("Incoming video call from %s") :_("Incoming call from %s"),
 576     empathy_contact_get_name (approval->contact));
 577
 578   event_manager_add (approval->manager, approval->contact,
 579       EMPATHY_EVENT_TYPE_VOIP,
 580       video ? EMPATHY_IMAGE_VIDEO_CALL : EMPATHY_IMAGE_VOIP,
 581       header, NULL, approval,
 582       event_channel_process_voip_func, NULL);
 583
 584   g_free (header);
 585
 586   priv->ringing++;
 587   if (priv->ringing == 1)
 588     empathy_sound_start_playing (window,
 589         EMPATHY_SOUND_PHONE_INCOMING, MS_BETWEEN_RING);
 590
 591   g_object_unref (window);
 592 }
 593
 594 static void
 595 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 596   GParamSpec *param, EventManagerApproval *approval)
 597 {
 598   EmpathyContact *contact;
 599
 600   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 601
 602   if (contact == NULL)
 603     return;
 604
 605   approval->contact = contact;
 606   event_manager_media_channel_got_contact (approval);
 607 }
 608
 609 static void
 610 invite_dialog_response_cb (GtkDialog *dialog,
 611                            gint response,
 612                            EventManagerApproval *approval)
 613 {
 614   EmpathyTpChat *tp_chat;
 615
 616   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 617   approval->dialog = NULL;
 618
 619   tp_chat = EMPATHY_TP_CHAT (approval->handler_instance);
 620
 621   if (response != GTK_RESPONSE_OK)
 622     {
 623       /* close channel */
 624       DEBUG ("Muc invitation rejected");
 625
 626       reject_approval (approval);
 627
 628       return;
 629     }
 630
 631   DEBUG ("Muc invitation accepted");
 632
 633   /* We'll join the room when handling the channel */
 634   event_manager_approval_approve (approval);
 635 }
 636
 637 static void
 638 event_room_channel_process_func (EventPriv *event)
 639 {
 640   GtkWidget *dialog, *button, *image;
 641   TpChannel *channel = event->approval->main_channel;
 642
 643   if (event->approval->dialog != NULL)
 644     {
 645       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 646       return;
 647     }
 648
 649   /* create dialog */
 650   dialog = gtk_message_dialog_new (NULL, 0,
 651       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 652
 653   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 654       _("%s is inviting you to join %s"),
 655       empathy_contact_get_name (event->approval->contact),
 656       tp_channel_get_identifier (channel));
 657
 658   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 659       GTK_RESPONSE_OK);
 660
 661   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 662       _("_Decline"), GTK_RESPONSE_CANCEL);
 663   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 664   gtk_button_set_image (GTK_BUTTON (button), image);
 665
 666   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 667       _("_Join"), GTK_RESPONSE_OK);
 668   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 669   gtk_button_set_image (GTK_BUTTON (button), image);
 670
 671   g_signal_connect (dialog, "response",
 672       G_CALLBACK (invite_dialog_response_cb), event->approval);
 673
 674   gtk_widget_show (dialog);
 675
 676   event->approval->dialog = dialog;
 677 }
 678
 679 static void
 680 event_manager_muc_invite_got_contact_cb (TpConnection *connection,
 681                                          EmpathyContact *contact,
 682                                          const GError *error,
 683                                          gpointer user_data,
 684                                          GObject *object)
 685 {
 686   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 687   GtkWidget *window = empathy_main_window_dup ();
 688   const gchar *invite_msg;
 689   gchar *msg;
 690   TpHandle self_handle;
 691
 692   if (error != NULL)
 693     {
 694       /* FIXME: We should probably still display the event */
 695       DEBUG ("Error: %s", error->message);
 696       return;
 697     }
 698
 699   approval->contact = g_object_ref (contact);
 700
 701   self_handle = tp_channel_group_get_self_handle (approval->main_channel);
 702   tp_channel_group_get_local_pending_info (approval->main_channel, self_handle,
 703       NULL, NULL, &invite_msg);
 704
 705   msg = g_strdup_printf (_("%s invited you to join %s"),
 706       empathy_contact_get_name (approval->contact),
 707       tp_channel_get_identifier (approval->main_channel));
 708
 709   event_manager_add (approval->manager, approval->contact,
 710       EMPATHY_EVENT_TYPE_CHAT, EMPATHY_IMAGE_GROUP_MESSAGE, msg, invite_msg,
 711       approval, event_room_channel_process_func, NULL);
 712
 713   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 714
 715   g_free (msg);
 716   g_object_unref (window);
 717 }
 718
 719 static void
 720 event_manager_ft_got_contact_cb (TpConnection *connection,
 721                                  EmpathyContact *contact,
 722                                  const GError *error,
 723                                  gpointer user_data,
 724                                  GObject *object)
 725 {
 726   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 727   GtkWidget *window = empathy_main_window_dup ();
 728   char *header;
 729
 730   approval->contact = g_object_ref (contact);
 731
 732   header = g_strdup_printf (_("Incoming file transfer from %s"),
 733                             empathy_contact_get_name (approval->contact));
 734
 735   event_manager_add (approval->manager, approval->contact,
 736       EMPATHY_EVENT_TYPE_TRANSFER, EMPATHY_IMAGE_DOCUMENT_SEND, header, NULL,
 737       approval, event_channel_process_func, NULL);
 738
 739   /* FIXME better sound for incoming file transfers ?*/
 740   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 741
 742   g_free (header);
 743   g_object_unref (window);
 744 }
 745
 746 /* If there is a file-transfer or media channel consider it as the
 747  * main one. */
 748 static TpChannel *
 749 find_main_channel (GList *channels)
 750 {
 751   GList *l;
 752   TpChannel *text = NULL;
 753
 754   for (l = channels; l != NULL; l = g_list_next (l))
 755     {
 756       TpChannel *channel = l->data;
 757       GQuark channel_type;
 758
 759       if (tp_proxy_get_invalidated (channel) != NULL)
 760         continue;
 761
 762       channel_type = tp_channel_get_channel_type_id (channel);
 763
 764       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
 765           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 766         return channel;
 767
 768       else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 769         text = channel;
 770     }
 771
 772   return text;
 773 }
 774
 775 static void
 776 approve_channels (TpSimpleApprover *approver,
 777     TpAccount *account,
 778     TpConnection *connection,
 779     GList *channels,
 780     TpChannelDispatchOperation *dispatch_operation,
 781     TpAddDispatchOperationContext *context,
 782     gpointer user_data)
 783 {
 784   EmpathyEventManager *self = user_data;
 785   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 786   TpChannel *channel;
 787   EventManagerApproval *approval;
 788   GQuark channel_type;
 789
 790   channel = find_main_channel (channels);
 791   if (channel == NULL)
 792     {
 793       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 794           "Unknown channel type" };
 795
 796       DEBUG ("Failed to find the main channel; ignoring");
 797
 798       tp_add_dispatch_operation_context_fail (context, &error);
 799       return;
 800     }
 801
 802   approval = event_manager_approval_new (self, dispatch_operation, channel);
 803   priv->approvals = g_slist_prepend (priv->approvals, approval);
 804
 805   approval->invalidated_handler = g_signal_connect (dispatch_operation,
 806       "invalidated", G_CALLBACK (cdo_invalidated_cb), approval);
 807
 808   channel_type = tp_channel_get_channel_type_id (channel);
 809
 810   if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 811     {
 812       EmpathyTpChat *tp_chat;
 813
 814       tp_chat = empathy_tp_chat_new (channel);
 815       approval->handler_instance = G_OBJECT (tp_chat);
 816
 817       if (tp_proxy_has_interface (channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
 818         {
 819           /* Are we in local-pending ? */
 820           TpHandle inviter;
 821
 822           if (empathy_tp_chat_is_invited (tp_chat, &inviter))
 823             {
 824               /* We are invited to a room */
 825               DEBUG ("Have been invited to %s. Ask user if he wants to accept",
 826                   tp_channel_get_identifier (channel));
 827
 828               empathy_tp_contact_factory_get_from_handle (connection,
 829                   inviter, event_manager_muc_invite_got_contact_cb,
 830                   approval, NULL, G_OBJECT (self));
 831
 832               goto out;
 833             }
 834
 835           /* We are not invited, approve the channel right now */
 836           tp_add_dispatch_operation_context_accept (context);
 837
 838           event_manager_approval_approve (approval);
 839           return;
 840         }
 841
 842       /* 1-1 text channel, wait for the first message */
 843       approval->handler = g_signal_connect (tp_chat, "message-received",
 844         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 845     }
 846   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 847     {
 848       EmpathyContact *contact;
 849       EmpathyTpCall *call = empathy_tp_call_new (channel);
 850
 851       approval->handler_instance = G_OBJECT (call);
 852
 853       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 854
 855       if (contact == NULL)
 856         {
 857           g_signal_connect (call, "notify::contact",
 858             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 859             approval);
 860         }
 861       else
 862         {
 863           approval->contact = contact;
 864           event_manager_media_channel_got_contact (approval);
 865         }
 866
 867     }
 868   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 869     {
 870       TpHandle handle;
 871
 872       handle = tp_channel_get_handle (channel, NULL);
 873
 874       connection = tp_channel_borrow_connection (channel);
 875       empathy_tp_contact_factory_get_from_handle (connection, handle,
 876         event_manager_ft_got_contact_cb, approval, NULL, G_OBJECT (self));
 877     }
 878   else
 879     {
 880       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 881           "Invalid channel type" };
 882
 883       DEBUG ("Unknown channel type (%s), ignoring..",
 884           g_quark_to_string (channel_type));
 885
 886       tp_add_dispatch_operation_context_fail (context, &error);
 887       return;
 888     }
 889
 890 out:
 891   tp_add_dispatch_operation_context_accept (context);
 892 }
 893
 894 static void
 895 event_pending_subscribe_func (EventPriv *event)
 896 {
 897   empathy_subscription_dialog_show (event->public.contact, NULL);
 898   event_remove (event);
 899 }
 900
 901 static void
 902 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 903   EmpathyContact *contact, EmpathyContact *actor,
 904   guint reason, gchar *message, gboolean is_pending,
 905   EmpathyEventManager *manager)
 906 {
 907   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 908   gchar                   *header, *event_msg;
 909
 910   if (!is_pending)
 911     {
 912       GSList *l;
 913
 914       for (l = priv->events; l; l = l->next)
 915         {
 916           EventPriv *event = l->data;
 917
 918           if (event->public.contact == contact &&
 919               event->func == event_pending_subscribe_func)
 920             {
 921               event_remove (event);
 922               break;
 923             }
 924         }
 925
 926       return;
 927     }
 928
 929   header = g_strdup_printf (_("Subscription requested by %s"),
 930     empathy_contact_get_name (contact));
 931
 932   if (!EMP_STR_EMPTY (message))
 933     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
 934   else
 935     event_msg = NULL;
 936
 937   event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_SUBSCRIPTION,
 938       GTK_STOCK_DIALOG_QUESTION, header, event_msg, NULL,
 939       event_pending_subscribe_func, NULL);
 940
 941   g_free (event_msg);
 942   g_free (header);
 943 }
 944
 945 static void
 946 event_manager_presence_changed_cb (EmpathyContact *contact,
 947     TpConnectionPresenceType current,
 948     TpConnectionPresenceType previous,
 949     EmpathyEventManager *manager)
 950 {
 951   TpAccount *account;
 952   gchar *header = NULL;
 953   EmpathyIdle *idle;
 954   GSettings *gsettings = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
 955   GtkWidget *window = empathy_main_window_dup ();
 956
 957   account = empathy_contact_get_account (contact);
 958   idle = empathy_idle_dup_singleton ();
 959
 960   if (empathy_idle_account_is_just_connected (idle, account))
 961     goto out;
 962
 963   if (tp_connection_presence_type_cmp_availability (previous,
 964         TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
 965     {
 966       /* contact was online */
 967       if (tp_connection_presence_type_cmp_availability (current,
 968           TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
 969         {
 970           /* someone is logging off */
 971           empathy_sound_play (window, EMPATHY_SOUND_CONTACT_DISCONNECTED);
 972
 973           if (g_settings_get_boolean (gsettings,
 974                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNOUT))
 975             {
 976               header = g_strdup_printf (_("%s is now offline."),
 977                   empathy_contact_get_name (contact));
 978
 979               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
 980                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
 981             }
 982         }
 983     }
 984   else
 985     {
 986       /* contact was offline */
 987       if (tp_connection_presence_type_cmp_availability (current,
 988             TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
 989         {
 990           /* someone is logging in */
 991           empathy_sound_play (window, EMPATHY_SOUND_CONTACT_CONNECTED);
 992
 993           if (g_settings_get_boolean (gsettings,
 994                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNIN))
 995             {
 996               header = g_strdup_printf (_("%s is now online."),
 997                   empathy_contact_get_name (contact));
 998
 999               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
1000                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
1001             }
1002         }
1003     }
1004   g_free (header);
1005
1006 out:
1007   g_object_unref (idle);
1008   g_object_unref (gsettings);
1009   g_object_unref (window);
1010 }
1011
1012 static void
1013 event_manager_members_changed_cb (EmpathyContactList  *list,
1014     EmpathyContact *contact,
1015     EmpathyContact *actor,
1016     guint reason,
1017     gchar *message,
1018     gboolean is_member,
1019     EmpathyEventManager *manager)
1020 {
1021   if (is_member)
1022     g_signal_connect (contact, "presence-changed",
1023         G_CALLBACK (event_manager_presence_changed_cb), manager);
1024   else
1025     g_signal_handlers_disconnect_by_func (contact,
1026         event_manager_presence_changed_cb, manager);
1027 }
1028
1029 static GObject *
1030 event_manager_constructor (GType type,
1031                            guint n_props,
1032                            GObjectConstructParam *props)
1033 {
1034         GObject *retval;
1035
1036         if (manager_singleton) {
1037                 retval = g_object_ref (manager_singleton);
1038         } else {
1039                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
1040                         (type, n_props, props);
1041
1042                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
1043                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
1044         }
1045
1046         return retval;
1047 }
1048
1049 static void
1050 event_manager_finalize (GObject *object)
1051 {
1052   EmpathyEventManagerPriv *priv = GET_PRIV (object);
1053
1054   if (priv->ringing > 0)
1055     empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
1056
1057   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1058   g_slist_free (priv->events);
1059   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1060   g_slist_free (priv->approvals);
1061   g_object_unref (priv->contact_manager);
1062   g_object_unref (priv->dispatcher);
1063   g_object_unref (priv->approver);
1064 }
1065
1066 static void
1067 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1068 {
1069   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1070
1071   object_class->finalize = event_manager_finalize;
1072   object_class->constructor = event_manager_constructor;
1073
1074   signals[EVENT_ADDED] =
1075     g_signal_new ("event-added",
1076       G_TYPE_FROM_CLASS (klass),
1077       G_SIGNAL_RUN_LAST,
1078       0,
1079       NULL, NULL,
1080       g_cclosure_marshal_VOID__POINTER,
1081       G_TYPE_NONE,
1082       1, G_TYPE_POINTER);
1083
1084   signals[EVENT_REMOVED] =
1085   g_signal_new ("event-removed",
1086       G_TYPE_FROM_CLASS (klass),
1087       G_SIGNAL_RUN_LAST,
1088       0,
1089       NULL, NULL,
1090       g_cclosure_marshal_VOID__POINTER,
1091       G_TYPE_NONE, 1, G_TYPE_POINTER);
1092
1093   signals[EVENT_UPDATED] =
1094   g_signal_new ("event-updated",
1095       G_TYPE_FROM_CLASS (klass),
1096       G_SIGNAL_RUN_LAST,
1097       0,
1098       NULL, NULL,
1099       g_cclosure_marshal_VOID__POINTER,
1100       G_TYPE_NONE, 1, G_TYPE_POINTER);
1101
1102
1103   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1104 }
1105
1106 static void
1107 empathy_event_manager_init (EmpathyEventManager *manager)
1108 {
1109   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1110     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1111   TpDBusDaemon *dbus;
1112   GError *error = NULL;
1113
1114   manager->priv = priv;
1115
1116   priv->dispatcher = empathy_dispatcher_dup_singleton ();
1117   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1118   g_signal_connect (priv->contact_manager, "pendings-changed",
1119     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1120
1121   g_signal_connect (priv->contact_manager, "members-changed",
1122     G_CALLBACK (event_manager_members_changed_cb), manager);
1123
1124   dbus = tp_dbus_daemon_dup (&error);
1125   if (dbus == NULL)
1126     {
1127       DEBUG ("Failed to get TpDBusDaemon: %s", error->message);
1128       g_error_free (error);
1129       return;
1130     }
1131
1132   priv->approver = tp_simple_approver_new (dbus, "Empathy.EventManager", FALSE,
1133       approve_channels, manager, NULL);
1134
1135   /* Private text channels */
1136   tp_base_client_take_approver_filter (priv->approver,
1137       tp_asv_new (
1138         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1139         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1140         NULL));
1141
1142   /* Muc text channels */
1143   tp_base_client_take_approver_filter (priv->approver,
1144       tp_asv_new (
1145         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1146         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
1147         NULL));
1148
1149   /* File transfer */
1150   tp_base_client_take_approver_filter (priv->approver,
1151       tp_asv_new (
1152         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1153           TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
1154         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1155         NULL));
1156
1157   /* Calls */
1158   tp_base_client_take_approver_filter (priv->approver,
1159       tp_asv_new (
1160         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1161           TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
1162         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1163         NULL));
1164
1165   if (!tp_base_client_register (priv->approver, &error))
1166     {
1167       DEBUG ("Failed to register Approver: %s", error->message);
1168       g_error_free (error);
1169     }
1170
1171   g_object_unref (dbus);
1172 }
1173
1174 EmpathyEventManager *
1175 empathy_event_manager_dup_singleton (void)
1176 {
1177   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1178 }
1179
1180 GSList *
1181 empathy_event_manager_get_events (EmpathyEventManager *manager)
1182 {
1183   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1184
1185   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1186
1187   return priv->events;
1188 }
1189
1190 EmpathyEvent *
1191 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1192 {
1193   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1194
1195   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1196
1197   return priv->events ? priv->events->data : NULL;
1198 }
1199
1200 void
1201 empathy_event_activate (EmpathyEvent *event_public)
1202 {
1203   EventPriv *event = (EventPriv *) event_public;
1204
1205   g_return_if_fail (event_public != NULL);
1206
1207   if (event->func)
1208     event->func (event);
1209   else
1210     event_remove (event);
1211 }
1212
1213 void
1214 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1215 {
1216   EventPriv *event = (EventPriv *) event_public;
1217
1218   g_return_if_fail (event_public != NULL);
1219
1220   event->inhibit = TRUE;
1221 }
1222
1223 void
1224 empathy_event_approve (EmpathyEvent *event_public)
1225 {
1226   EventPriv *event = (EventPriv *) event_public;
1227
1228   g_return_if_fail (event_public != NULL);
1229
1230   event_manager_approval_approve (event->approval);
1231 }