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-idle.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-call.h>
  37 #include <libempathy/empathy-tp-file.h>
  38 #include <libempathy/empathy-utils.h>
  39 #include <libempathy/empathy-call-factory.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.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   EmpathyContactManager *contact_manager;
  80   GSList *events;
  81   /* Ongoing approvals */
  82   GSList *approvals;
  83
  84   gint ringing;
  85 } EmpathyEventManagerPriv;
  86
  87 typedef struct _EventPriv EventPriv;
  88 typedef void (*EventFunc) (EventPriv *event);
  89
  90 struct _EventPriv {
  91   EmpathyEvent public;
  92   EmpathyEventManager *manager;
  93   EventManagerApproval *approval;
  94   EventFunc func;
  95   gboolean inhibit;
  96   gpointer user_data;
  97   guint autoremove_timeout_id;
  98 };
  99
 100 enum {
 101   EVENT_ADDED,
 102   EVENT_REMOVED,
 103   EVENT_UPDATED,
 104   LAST_SIGNAL
 105 };
 106
 107 static guint signals[LAST_SIGNAL];
 108
 109 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 110
 111 static EmpathyEventManager * manager_singleton = NULL;
 112
 113 static EventManagerApproval *
 114 event_manager_approval_new (EmpathyEventManager *manager,
 115   TpChannelDispatchOperation *operation,
 116   TpChannel *main_channel)
 117 {
 118   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 119   result->operation = g_object_ref (operation);
 120   result->manager = manager;
 121   result->main_channel = g_object_ref (main_channel);
 122
 123   return result;
 124 }
 125
 126 static void
 127 event_manager_approval_free (EventManagerApproval *approval)
 128 {
 129   g_signal_handler_disconnect (approval->operation,
 130     approval->invalidated_handler);
 131   g_object_unref (approval->operation);
 132
 133   g_object_unref (approval->main_channel);
 134
 135   if (approval->handler != 0)
 136     g_signal_handler_disconnect (approval->handler_instance,
 137       approval->handler);
 138
 139   if (approval->handler_instance != NULL)
 140     g_object_unref (approval->handler_instance);
 141
 142   if (approval->contact != NULL)
 143     g_object_unref (approval->contact);
 144
 145   if (approval->dialog != NULL)
 146     {
 147       gtk_widget_destroy (approval->dialog);
 148     }
 149
 150   g_slice_free (EventManagerApproval, approval);
 151 }
 152
 153 static void
 154 event_free (EventPriv *event)
 155 {
 156   g_free (event->public.icon_name);
 157   g_free (event->public.header);
 158   g_free (event->public.message);
 159
 160   if (event->autoremove_timeout_id != 0)
 161     g_source_remove (event->autoremove_timeout_id);
 162
 163   if (event->public.contact)
 164     {
 165       g_object_unref (event->public.contact);
 166     }
 167
 168   g_slice_free (EventPriv, event);
 169 }
 170
 171 static void
 172 event_remove (EventPriv *event)
 173 {
 174   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 175
 176   DEBUG ("Removing event %p", event);
 177
 178   priv->events = g_slist_remove (priv->events, event);
 179   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 180   event_free (event);
 181 }
 182
 183 void
 184 empathy_event_remove (EmpathyEvent *event_public)
 185 {
 186   EventPriv *event = (EventPriv *) event_public;
 187
 188   event_remove (event);
 189 }
 190
 191 static gboolean
 192 autoremove_event_timeout_cb (EventPriv *event)
 193 {
 194   event->autoremove_timeout_id = 0;
 195   event_remove (event);
 196   return FALSE;
 197 }
 198
 199 static gboolean
 200 display_notify_area (void)
 201
 202 {
 203   GSettings *gsettings;
 204   gboolean result;
 205
 206   gsettings = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
 207
 208   result = g_settings_get_boolean (gsettings,
 209       EMPATHY_PREFS_UI_EVENTS_NOTIFY_AREA);
 210   g_object_unref (gsettings);
 211
 212   return result;
 213 }
 214
 215 static void
 216 event_manager_add (EmpathyEventManager *manager,
 217     EmpathyContact *contact,
 218     EmpathyEventType type,
 219     const gchar *icon_name,
 220     const gchar *header,
 221     const gchar *message,
 222     EventManagerApproval *approval,
 223     EventFunc func,
 224     gpointer user_data)
 225 {
 226   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 227   EventPriv               *event;
 228
 229   event = g_slice_new0 (EventPriv);
 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 ())
 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 = tp_user_action_time_from_x11 (gtk_get_current_event_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   gint64 timestamp;
 341
 342   timestamp = tp_user_action_time_from_x11 (gtk_get_current_event_time ());
 343
 344   if (event->approval->handler != 0)
 345     {
 346       tp_chat = EMPATHY_TP_CHAT (event->approval->handler_instance);
 347
 348       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 349       event->approval->handler = 0;
 350     }
 351
 352   event_manager_approval_approve (event->approval);
 353 }
 354
 355 static EventPriv *
 356 event_lookup_by_approval (EmpathyEventManager *manager,
 357   EventManagerApproval *approval)
 358 {
 359   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 360   GSList *l;
 361   EventPriv *retval = NULL;
 362
 363   for (l = priv->events; l; l = l->next)
 364     {
 365       EventPriv *event = l->data;
 366
 367       if (event->approval == approval)
 368         {
 369           retval = event;
 370           break;
 371         }
 372     }
 373
 374   return retval;
 375 }
 376
 377 static void
 378 event_update (EmpathyEventManager *manager, EventPriv *event,
 379   const char *icon_name, const char *header, const char *msg)
 380 {
 381   g_free (event->public.icon_name);
 382   g_free (event->public.header);
 383   g_free (event->public.message);
 384
 385   event->public.icon_name = g_strdup (icon_name);
 386   event->public.header = g_strdup (header);
 387   event->public.message = g_strdup (msg);
 388
 389   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 390 }
 391
 392 static void
 393 reject_channel_claim_cb (GObject *source,
 394     GAsyncResult *result,
 395     gpointer user_data)
 396 {
 397   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 398   GError *error = NULL;
 399
 400   if (!tp_channel_dispatch_operation_claim_finish (cdo, result, &error))
 401     {
 402       DEBUG ("Failed to claim channel: %s", error->message);
 403
 404       g_error_free (error);
 405       goto out;
 406     }
 407
 408   if (EMPATHY_IS_TP_CALL (user_data))
 409     {
 410       empathy_tp_call_close (user_data);
 411     }
 412   else if (EMPATHY_IS_TP_CHAT (user_data))
 413     {
 414       empathy_tp_chat_leave (user_data);
 415     }
 416   else if (EMPATHY_IS_TP_FILE (user_data))
 417     {
 418       empathy_tp_file_close (user_data);
 419     }
 420
 421 out:
 422   g_object_unref (user_data);
 423 }
 424
 425 static void
 426 reject_approval (EventManagerApproval *approval)
 427 {
 428   /* We have to claim the channel before closing it */
 429   tp_channel_dispatch_operation_claim_async (approval->operation,
 430       reject_channel_claim_cb, g_object_ref (approval->handler_instance));
 431 }
 432
 433 static void
 434 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 435   gint response, gpointer user_data)
 436 {
 437   EventManagerApproval *approval = user_data;
 438
 439   gtk_widget_destroy (approval->dialog);
 440   approval->dialog = NULL;
 441
 442   if (response != GTK_RESPONSE_ACCEPT)
 443     {
 444       reject_approval (approval);
 445     }
 446   else
 447     {
 448       event_manager_approval_approve (approval);
 449     }
 450 }
 451
 452 static void
 453 event_channel_process_voip_func (EventPriv *event)
 454 {
 455   GtkWidget *dialog;
 456   GtkWidget *button;
 457   GtkWidget *image;
 458   EmpathyTpCall *call;
 459   gboolean video;
 460   gchar *title;
 461
 462   if (event->approval->dialog != NULL)
 463     {
 464       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 465       return;
 466     }
 467
 468   call = EMPATHY_TP_CALL (event->approval->handler_instance);
 469
 470   video = empathy_tp_call_has_initial_video (call);
 471
 472   dialog = gtk_message_dialog_new (NULL, 0,
 473       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 474       video ? _("Incoming video call"): _("Incoming call"));
 475
 476   gtk_message_dialog_format_secondary_text (
 477     GTK_MESSAGE_DIALOG (dialog), video ?
 478       _("%s is video calling you. Do you want to answer?"):
 479       _("%s is calling you. Do you want to answer?"),
 480       empathy_contact_get_alias (event->approval->contact));
 481
 482   title = g_strdup_printf (_("Incoming call from %s"),
 483       empathy_contact_get_alias (event->approval->contact));
 484
 485   gtk_window_set_title (GTK_WINDOW (dialog), title);
 486   g_free (title);
 487
 488   /* Set image of the dialog */
 489   if (video)
 490     {
 491       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VIDEO_CALL,
 492           GTK_ICON_SIZE_DIALOG);
 493     }
 494   else
 495     {
 496       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VOIP,
 497           GTK_ICON_SIZE_DIALOG);
 498     }
 499
 500   gtk_message_dialog_set_image (GTK_MESSAGE_DIALOG (dialog), image);
 501   gtk_widget_show (image);
 502
 503   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 504       GTK_RESPONSE_OK);
 505
 506   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 507       _("_Reject"), GTK_RESPONSE_REJECT);
 508   image = gtk_image_new_from_icon_name ("call-stop",
 509     GTK_ICON_SIZE_BUTTON);
 510   gtk_button_set_image (GTK_BUTTON (button), image);
 511
 512   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 513       _("_Answer"), GTK_RESPONSE_ACCEPT);
 514
 515   image = gtk_image_new_from_icon_name ("call-start", GTK_ICON_SIZE_BUTTON);
 516   gtk_button_set_image (GTK_BUTTON (button), image);
 517
 518   g_signal_connect (dialog, "response",
 519       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 520       event->approval);
 521
 522   gtk_widget_show (dialog);
 523
 524   event->approval->dialog = dialog;
 525 }
 526
 527 static void
 528 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 529   EmpathyMessage *message,
 530   EventManagerApproval *approval)
 531 {
 532   GtkWidget       *window = empathy_main_window_dup ();
 533   EmpathyContact  *sender;
 534   const gchar     *header;
 535   const gchar     *msg;
 536   TpChannel       *channel;
 537   EventPriv       *event;
 538
 539   /* try to update the event if it's referring to a chat which is already in the
 540    * queue. */
 541   event = event_lookup_by_approval (approval->manager, approval);
 542
 543   sender = empathy_message_get_sender (message);
 544   header = empathy_contact_get_alias (sender);
 545   msg = empathy_message_get_body (message);
 546
 547   channel = empathy_tp_chat_get_channel (tp_chat);
 548
 549   if (event != NULL)
 550     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header,
 551         msg);
 552   else
 553     event_manager_add (approval->manager, sender, EMPATHY_EVENT_TYPE_CHAT,
 554         EMPATHY_IMAGE_NEW_MESSAGE, header, msg, approval,
 555         event_text_channel_process_func, NULL);
 556
 557   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 558
 559   g_object_unref (window);
 560 }
 561
 562 static void
 563 event_manager_approval_done (EventManagerApproval *approval)
 564 {
 565   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 566   GSList                  *l;
 567
 568   if (approval->operation != NULL)
 569     {
 570       GQuark channel_type;
 571
 572       channel_type = tp_channel_get_channel_type_id (approval->main_channel);
 573
 574       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 575         {
 576           priv->ringing--;
 577           if (priv->ringing == 0)
 578             empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
 579         }
 580     }
 581
 582   priv->approvals = g_slist_remove (priv->approvals, approval);
 583
 584   for (l = priv->events; l; l = l->next)
 585     {
 586       EventPriv *event = l->data;
 587
 588       if (event->approval == approval)
 589         {
 590           event_remove (event);
 591           break;
 592         }
 593     }
 594
 595   event_manager_approval_free (approval);
 596 }
 597
 598 static void
 599 cdo_invalidated_cb (TpProxy *cdo,
 600     guint domain,
 601     gint code,
 602     gchar *message,
 603     EventManagerApproval *approval)
 604 {
 605   DEBUG ("ChannelDispatchOperation has been invalidated: %s", message);
 606
 607   event_manager_approval_done (approval);
 608 }
 609
 610 static void
 611 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 612 {
 613   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 614   GtkWidget *window = empathy_main_window_dup ();
 615   gchar *header;
 616   EmpathyTpCall *call;
 617   gboolean video;
 618
 619   call = EMPATHY_TP_CALL (approval->handler_instance);
 620
 621   video = empathy_tp_call_has_initial_video (call);
 622
 623   header = g_strdup_printf (
 624     video ? _("Incoming video call from %s") :_("Incoming call from %s"),
 625     empathy_contact_get_alias (approval->contact));
 626
 627   event_manager_add (approval->manager, approval->contact,
 628       EMPATHY_EVENT_TYPE_VOIP,
 629       video ? EMPATHY_IMAGE_VIDEO_CALL : EMPATHY_IMAGE_VOIP,
 630       header, NULL, approval,
 631       event_channel_process_voip_func, NULL);
 632
 633   g_free (header);
 634
 635   priv->ringing++;
 636   if (priv->ringing == 1)
 637     empathy_sound_start_playing (window,
 638         EMPATHY_SOUND_PHONE_INCOMING, MS_BETWEEN_RING);
 639
 640   g_object_unref (window);
 641 }
 642
 643 static void
 644 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 645   GParamSpec *param, EventManagerApproval *approval)
 646 {
 647   EmpathyContact *contact;
 648
 649   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 650
 651   if (contact == NULL)
 652     return;
 653
 654   approval->contact = contact;
 655   event_manager_media_channel_got_contact (approval);
 656 }
 657
 658 static void
 659 invite_dialog_response_cb (GtkDialog *dialog,
 660                            gint response,
 661                            EventManagerApproval *approval)
 662 {
 663   EmpathyTpChat *tp_chat;
 664
 665   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 666   approval->dialog = NULL;
 667
 668   tp_chat = EMPATHY_TP_CHAT (approval->handler_instance);
 669
 670   if (response != GTK_RESPONSE_OK)
 671     {
 672       /* close channel */
 673       DEBUG ("Muc invitation rejected");
 674
 675       reject_approval (approval);
 676
 677       return;
 678     }
 679
 680   DEBUG ("Muc invitation accepted");
 681
 682   /* We'll join the room when handling the channel */
 683   event_manager_approval_approve (approval);
 684 }
 685
 686 static void
 687 event_room_channel_process_func (EventPriv *event)
 688 {
 689   GtkWidget *dialog, *button, *image;
 690   TpChannel *channel = event->approval->main_channel;
 691   gchar *title;
 692
 693   if (event->approval->dialog != NULL)
 694     {
 695       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 696       return;
 697     }
 698
 699   /* create dialog */
 700   dialog = gtk_message_dialog_new (NULL, 0,
 701       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 702
 703   title = g_strdup_printf (_("Invitation to join %s"),
 704       tp_channel_get_identifier (channel));
 705
 706   gtk_window_set_title (GTK_WINDOW (dialog), title);
 707   g_free (title);
 708
 709   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 710       _("%s is inviting you to join %s"),
 711       empathy_contact_get_alias (event->approval->contact),
 712       tp_channel_get_identifier (channel));
 713
 714   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 715       GTK_RESPONSE_OK);
 716
 717   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 718       _("_Decline"), GTK_RESPONSE_CANCEL);
 719   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 720   gtk_button_set_image (GTK_BUTTON (button), image);
 721
 722   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 723       _("_Join"), GTK_RESPONSE_OK);
 724   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 725   gtk_button_set_image (GTK_BUTTON (button), image);
 726
 727   g_signal_connect (dialog, "response",
 728       G_CALLBACK (invite_dialog_response_cb), event->approval);
 729
 730   gtk_widget_show (dialog);
 731
 732   event->approval->dialog = dialog;
 733 }
 734
 735 static void
 736 display_invite_room_dialog (EventManagerApproval *approval)
 737 {
 738   GtkWidget *window = empathy_main_window_dup ();
 739   const gchar *invite_msg;
 740   gchar *msg;
 741   TpHandle self_handle;
 742
 743   self_handle = tp_channel_group_get_self_handle (approval->main_channel);
 744   tp_channel_group_get_local_pending_info (approval->main_channel, self_handle,
 745       NULL, NULL, &invite_msg);
 746
 747   if (approval->contact != NULL)
 748     {
 749       msg = g_strdup_printf (_("%s invited you to join %s"),
 750           empathy_contact_get_alias (approval->contact),
 751           tp_channel_get_identifier (approval->main_channel));
 752     }
 753   else
 754     {
 755       msg = g_strdup_printf (_("You have been invited to join %s"),
 756           tp_channel_get_identifier (approval->main_channel));
 757     }
 758
 759   event_manager_add (approval->manager, approval->contact,
 760       EMPATHY_EVENT_TYPE_INVITATION, EMPATHY_IMAGE_GROUP_MESSAGE, msg,
 761       invite_msg, approval, event_room_channel_process_func, NULL);
 762
 763   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 764
 765   g_free (msg);
 766   g_object_unref (window);
 767 }
 768
 769 static void
 770 event_manager_muc_invite_got_contact_cb (TpConnection *connection,
 771                                          EmpathyContact *contact,
 772                                          const GError *error,
 773                                          gpointer user_data,
 774                                          GObject *object)
 775 {
 776   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 777
 778   if (error != NULL)
 779     {
 780       DEBUG ("Error: %s", error->message);
 781     }
 782   else
 783     {
 784       approval->contact = g_object_ref (contact);
 785     }
 786
 787   display_invite_room_dialog (approval);
 788 }
 789
 790 static void
 791 event_manager_ft_got_contact_cb (TpConnection *connection,
 792                                  EmpathyContact *contact,
 793                                  const GError *error,
 794                                  gpointer user_data,
 795                                  GObject *object)
 796 {
 797   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 798   GtkWidget *window = empathy_main_window_dup ();
 799   char *header;
 800
 801   approval->contact = g_object_ref (contact);
 802
 803   header = g_strdup_printf (_("Incoming file transfer from %s"),
 804                             empathy_contact_get_alias (approval->contact));
 805
 806   event_manager_add (approval->manager, approval->contact,
 807       EMPATHY_EVENT_TYPE_TRANSFER, EMPATHY_IMAGE_DOCUMENT_SEND, header, NULL,
 808       approval, event_channel_process_func, NULL);
 809
 810   /* FIXME better sound for incoming file transfers ?*/
 811   empathy_sound_play (window, EMPATHY_SOUND_CONVERSATION_NEW);
 812
 813   g_free (header);
 814   g_object_unref (window);
 815 }
 816
 817 /* If there is a file-transfer or media channel consider it as the
 818  * main one. */
 819 static TpChannel *
 820 find_main_channel (GList *channels)
 821 {
 822   GList *l;
 823   TpChannel *text = NULL;
 824
 825   for (l = channels; l != NULL; l = g_list_next (l))
 826     {
 827       TpChannel *channel = l->data;
 828       GQuark channel_type;
 829
 830       if (tp_proxy_get_invalidated (channel) != NULL)
 831         continue;
 832
 833       channel_type = tp_channel_get_channel_type_id (channel);
 834
 835       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
 836           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 837         return channel;
 838
 839       else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 840         text = channel;
 841     }
 842
 843   return text;
 844 }
 845
 846 static void
 847 approve_channels (TpSimpleApprover *approver,
 848     TpAccount *account,
 849     TpConnection *connection,
 850     GList *channels,
 851     TpChannelDispatchOperation *dispatch_operation,
 852     TpAddDispatchOperationContext *context,
 853     gpointer user_data)
 854 {
 855   EmpathyEventManager *self = user_data;
 856   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 857   TpChannel *channel;
 858   EventManagerApproval *approval;
 859   GQuark channel_type;
 860
 861   channel = find_main_channel (channels);
 862   if (channel == NULL)
 863     {
 864       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 865           "Unknown channel type" };
 866
 867       DEBUG ("Failed to find the main channel; ignoring");
 868
 869       tp_add_dispatch_operation_context_fail (context, &error);
 870       return;
 871     }
 872
 873   approval = event_manager_approval_new (self, dispatch_operation, channel);
 874   priv->approvals = g_slist_prepend (priv->approvals, approval);
 875
 876   approval->invalidated_handler = g_signal_connect (dispatch_operation,
 877       "invalidated", G_CALLBACK (cdo_invalidated_cb), approval);
 878
 879   channel_type = tp_channel_get_channel_type_id (channel);
 880
 881   if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 882     {
 883       EmpathyTpChat *tp_chat;
 884
 885       tp_chat = empathy_tp_chat_new (account, channel);
 886       approval->handler_instance = G_OBJECT (tp_chat);
 887
 888       if (tp_proxy_has_interface (channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
 889         {
 890           /* Are we in local-pending ? */
 891           TpHandle inviter;
 892
 893           if (empathy_tp_chat_is_invited (tp_chat, &inviter))
 894             {
 895               /* We are invited to a room */
 896               DEBUG ("Have been invited to %s. Ask user if he wants to accept",
 897                   tp_channel_get_identifier (channel));
 898
 899               if (inviter != 0)
 900                 {
 901                   empathy_tp_contact_factory_get_from_handle (connection,
 902                       inviter, event_manager_muc_invite_got_contact_cb,
 903                       approval, NULL, G_OBJECT (self));
 904                 }
 905               else
 906                 {
 907                   display_invite_room_dialog (approval);
 908                 }
 909
 910               goto out;
 911             }
 912
 913           /* We are not invited, approve the channel right now */
 914           tp_add_dispatch_operation_context_accept (context);
 915
 916           approval->auto_approved = TRUE;
 917           event_manager_approval_approve (approval);
 918           return;
 919         }
 920
 921       /* 1-1 text channel, wait for the first message */
 922       approval->handler = g_signal_connect (tp_chat, "message-received",
 923         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 924     }
 925   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 926     {
 927       EmpathyContact *contact;
 928       EmpathyTpCall *call = empathy_tp_call_new (account, channel);
 929
 930       approval->handler_instance = G_OBJECT (call);
 931
 932       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 933
 934       if (contact == NULL)
 935         {
 936           g_signal_connect (call, "notify::contact",
 937             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 938             approval);
 939         }
 940       else
 941         {
 942           approval->contact = contact;
 943           event_manager_media_channel_got_contact (approval);
 944         }
 945
 946     }
 947   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 948     {
 949       TpHandle handle;
 950       EmpathyTpFile *tp_file = empathy_tp_file_new (channel);
 951
 952       approval->handler_instance = G_OBJECT (tp_file);
 953
 954       handle = tp_channel_get_handle (channel, NULL);
 955
 956       connection = tp_channel_borrow_connection (channel);
 957       empathy_tp_contact_factory_get_from_handle (connection, handle,
 958         event_manager_ft_got_contact_cb, approval, NULL, G_OBJECT (self));
 959     }
 960   else
 961     {
 962       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 963           "Invalid channel type" };
 964
 965       DEBUG ("Unknown channel type (%s), ignoring..",
 966           g_quark_to_string (channel_type));
 967
 968       tp_add_dispatch_operation_context_fail (context, &error);
 969       return;
 970     }
 971
 972 out:
 973   tp_add_dispatch_operation_context_accept (context);
 974 }
 975
 976 static void
 977 event_pending_subscribe_func (EventPriv *event)
 978 {
 979   empathy_subscription_dialog_show (event->public.contact, event->public.header,
 980       NULL);
 981   event_remove (event);
 982 }
 983
 984 static void
 985 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 986   EmpathyContact *contact, EmpathyContact *actor,
 987   guint reason, gchar *message, gboolean is_pending,
 988   EmpathyEventManager *manager)
 989 {
 990   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 991   gchar                   *header, *event_msg;
 992
 993   if (!is_pending)
 994     {
 995       GSList *l;
 996
 997       for (l = priv->events; l; l = l->next)
 998         {
 999           EventPriv *event = l->data;
1000
1001           if (event->public.contact == contact &&
1002               event->func == event_pending_subscribe_func)
1003             {
1004               event_remove (event);
1005               break;
1006             }
1007         }
1008
1009       return;
1010     }
1011
1012   header = g_strdup_printf (
1013       _("%s would like permission to see when you are available"),
1014       empathy_contact_get_alias (contact));
1015
1016   if (!EMP_STR_EMPTY (message))
1017     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
1018   else
1019     event_msg = NULL;
1020
1021   event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_SUBSCRIPTION,
1022       GTK_STOCK_DIALOG_QUESTION, header, event_msg, NULL,
1023       event_pending_subscribe_func, NULL);
1024
1025   g_free (event_msg);
1026   g_free (header);
1027 }
1028
1029 static void
1030 event_manager_presence_changed_cb (EmpathyContact *contact,
1031     TpConnectionPresenceType current,
1032     TpConnectionPresenceType previous,
1033     EmpathyEventManager *manager)
1034 {
1035   TpAccount *account;
1036   gchar *header = NULL;
1037   EmpathyIdle *idle;
1038   GSettings *gsettings = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
1039   GtkWidget *window = empathy_main_window_dup ();
1040
1041   account = empathy_contact_get_account (contact);
1042   idle = empathy_idle_dup_singleton ();
1043
1044   if (empathy_idle_account_is_just_connected (idle, account))
1045     goto out;
1046
1047   if (tp_connection_presence_type_cmp_availability (previous,
1048         TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1049     {
1050       /* contact was online */
1051       if (tp_connection_presence_type_cmp_availability (current,
1052           TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
1053         {
1054           /* someone is logging off */
1055           empathy_sound_play (window, EMPATHY_SOUND_CONTACT_DISCONNECTED);
1056
1057           if (g_settings_get_boolean (gsettings,
1058                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNOUT))
1059             {
1060               header = g_strdup_printf (_("%s is now offline."),
1061                   empathy_contact_get_alias (contact));
1062
1063               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
1064                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
1065             }
1066         }
1067     }
1068   else
1069     {
1070       /* contact was offline */
1071       if (tp_connection_presence_type_cmp_availability (current,
1072             TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1073         {
1074           /* someone is logging in */
1075           empathy_sound_play (window, EMPATHY_SOUND_CONTACT_CONNECTED);
1076
1077           if (g_settings_get_boolean (gsettings,
1078                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNIN))
1079             {
1080               header = g_strdup_printf (_("%s is now online."),
1081                   empathy_contact_get_alias (contact));
1082
1083               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
1084                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
1085             }
1086         }
1087     }
1088   g_free (header);
1089
1090 out:
1091   g_object_unref (idle);
1092   g_object_unref (gsettings);
1093   g_object_unref (window);
1094 }
1095
1096 static void
1097 event_manager_members_changed_cb (EmpathyContactList  *list,
1098     EmpathyContact *contact,
1099     EmpathyContact *actor,
1100     guint reason,
1101     gchar *message,
1102     gboolean is_member,
1103     EmpathyEventManager *manager)
1104 {
1105   if (is_member)
1106     g_signal_connect (contact, "presence-changed",
1107         G_CALLBACK (event_manager_presence_changed_cb), manager);
1108   else
1109     g_signal_handlers_disconnect_by_func (contact,
1110         event_manager_presence_changed_cb, manager);
1111 }
1112
1113 static GObject *
1114 event_manager_constructor (GType type,
1115                            guint n_props,
1116                            GObjectConstructParam *props)
1117 {
1118         GObject *retval;
1119
1120         if (manager_singleton) {
1121                 retval = g_object_ref (manager_singleton);
1122         } else {
1123                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
1124                         (type, n_props, props);
1125
1126                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
1127                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
1128         }
1129
1130         return retval;
1131 }
1132
1133 static void
1134 event_manager_finalize (GObject *object)
1135 {
1136   EmpathyEventManagerPriv *priv = GET_PRIV (object);
1137
1138   if (priv->ringing > 0)
1139     empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
1140
1141   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1142   g_slist_free (priv->events);
1143   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1144   g_slist_free (priv->approvals);
1145   g_object_unref (priv->contact_manager);
1146   g_object_unref (priv->approver);
1147 }
1148
1149 static void
1150 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1151 {
1152   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1153
1154   object_class->finalize = event_manager_finalize;
1155   object_class->constructor = event_manager_constructor;
1156
1157   signals[EVENT_ADDED] =
1158     g_signal_new ("event-added",
1159       G_TYPE_FROM_CLASS (klass),
1160       G_SIGNAL_RUN_LAST,
1161       0,
1162       NULL, NULL,
1163       g_cclosure_marshal_VOID__POINTER,
1164       G_TYPE_NONE,
1165       1, G_TYPE_POINTER);
1166
1167   signals[EVENT_REMOVED] =
1168   g_signal_new ("event-removed",
1169       G_TYPE_FROM_CLASS (klass),
1170       G_SIGNAL_RUN_LAST,
1171       0,
1172       NULL, NULL,
1173       g_cclosure_marshal_VOID__POINTER,
1174       G_TYPE_NONE, 1, G_TYPE_POINTER);
1175
1176   signals[EVENT_UPDATED] =
1177   g_signal_new ("event-updated",
1178       G_TYPE_FROM_CLASS (klass),
1179       G_SIGNAL_RUN_LAST,
1180       0,
1181       NULL, NULL,
1182       g_cclosure_marshal_VOID__POINTER,
1183       G_TYPE_NONE, 1, G_TYPE_POINTER);
1184
1185
1186   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1187 }
1188
1189 static void
1190 empathy_event_manager_init (EmpathyEventManager *manager)
1191 {
1192   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1193     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1194   TpDBusDaemon *dbus;
1195   GError *error = NULL;
1196
1197   manager->priv = priv;
1198
1199   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1200   g_signal_connect (priv->contact_manager, "pendings-changed",
1201     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1202
1203   g_signal_connect (priv->contact_manager, "members-changed",
1204     G_CALLBACK (event_manager_members_changed_cb), manager);
1205
1206   dbus = tp_dbus_daemon_dup (&error);
1207   if (dbus == NULL)
1208     {
1209       DEBUG ("Failed to get TpDBusDaemon: %s", error->message);
1210       g_error_free (error);
1211       return;
1212     }
1213
1214   priv->approver = tp_simple_approver_new (dbus, "Empathy.EventManager", FALSE,
1215       approve_channels, manager, NULL);
1216
1217   /* EmpathyTpChat relies on this feature being prepared */
1218   tp_base_client_add_connection_features_varargs (priv->approver,
1219     TP_CONNECTION_FEATURE_CAPABILITIES, 0);
1220
1221   /* Private text channels */
1222   tp_base_client_take_approver_filter (priv->approver,
1223       tp_asv_new (
1224         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1225         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1226         NULL));
1227
1228   /* Muc text channels */
1229   tp_base_client_take_approver_filter (priv->approver,
1230       tp_asv_new (
1231         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1232         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
1233         NULL));
1234
1235   /* File transfer */
1236   tp_base_client_take_approver_filter (priv->approver,
1237       tp_asv_new (
1238         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1239           TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
1240         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1241         NULL));
1242
1243   /* Calls */
1244   tp_base_client_take_approver_filter (priv->approver,
1245       tp_asv_new (
1246         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1247           TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
1248         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1249         NULL));
1250
1251   if (!tp_base_client_register (priv->approver, &error))
1252     {
1253       DEBUG ("Failed to register Approver: %s", error->message);
1254       g_error_free (error);
1255     }
1256
1257   g_object_unref (dbus);
1258 }
1259
1260 EmpathyEventManager *
1261 empathy_event_manager_dup_singleton (void)
1262 {
1263   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1264 }
1265
1266 GSList *
1267 empathy_event_manager_get_events (EmpathyEventManager *manager)
1268 {
1269   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1270
1271   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1272
1273   return priv->events;
1274 }
1275
1276 EmpathyEvent *
1277 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1278 {
1279   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1280
1281   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1282
1283   return priv->events ? priv->events->data : NULL;
1284 }
1285
1286 void
1287 empathy_event_activate (EmpathyEvent *event_public)
1288 {
1289   EventPriv *event = (EventPriv *) event_public;
1290
1291   g_return_if_fail (event_public != NULL);
1292
1293   if (event->func)
1294     event->func (event);
1295   else
1296     event_remove (event);
1297 }
1298
1299 void
1300 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1301 {
1302   EventPriv *event = (EventPriv *) event_public;
1303
1304   g_return_if_fail (event_public != NULL);
1305
1306   event->inhibit = TRUE;
1307 }
1308
1309 void
1310 empathy_event_approve (EmpathyEvent *event_public)
1311 {
1312   EventPriv *event = (EventPriv *) event_public;
1313
1314   g_return_if_fail (event_public != NULL);
1315
1316   event_manager_approval_approve (event->approval);
1317 }
1318
1319 void
1320 empathy_event_decline (EmpathyEvent *event_public)
1321 {
1322   EventPriv *event = (EventPriv *) event_public;
1323
1324   g_return_if_fail (event_public != NULL);
1325
1326   reject_approval (event->approval);
1327 }