src/empathy-event-manager.c

   1 /*
   2  * Copyright (C) 2007-2008 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Xavier Claessens <xclaesse@gmail.com>
  19  *          Sjoerd Simons <sjoerd.simons@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <string.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <telepathy-glib/util.h>
  28
  29 #include <libempathy/empathy-dispatcher.h>
  30 #include <libempathy/empathy-contact-factory.h>
  31 #include <libempathy/empathy-contact-manager.h>
  32 #include <libempathy/empathy-tp-chat.h>
  33 #include <libempathy/empathy-tp-call.h>
  34 #include <libempathy/empathy-tp-group.h>
  35 #include <libempathy/empathy-utils.h>
  36 #include <libempathy/empathy-call-factory.h>
  37
  38 #include <extensions/extensions.h>
  39
  40 #include <libempathy-gtk/empathy-images.h>
  41 #include <libempathy-gtk/empathy-contact-dialogs.h>
  42 #include <libempathy-gtk/empathy-ui-utils.h>
  43
  44 #include "empathy-event-manager.h"
  45 #include "empathy-main-window.h"
  46 #include "empathy-tube-dispatch.h"
  47
  48 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  49 #include <libempathy/empathy-debug.h>
  50
  51 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  52
  53 typedef struct {
  54   EmpathyEventManager *manager;
  55   EmpathyDispatchOperation *operation;
  56   gulong approved_handler;
  57   gulong claimed_handler;
  58   gulong invalidated_handler;
  59   /* Remove contact if applicable */
  60   EmpathyContact *contact;
  61   /* Tube dispatcher if applicable */
  62   EmpathyTubeDispatch *tube_dispatch;
  63   /* option signal handler */
  64   gulong handler;
  65   /* optional accept widget */
  66   GtkWidget *dialog;
  67 } EventManagerApproval;
  68
  69 typedef struct {
  70   EmpathyDispatcher *dispatcher;
  71   EmpathyContactManager *contact_manager;
  72   GSList *events;
  73   /* Ongoing approvals */
  74   GSList *approvals;
  75
  76   /* voip ringing sound */
  77   guint voip_timeout;
  78   gint ringing;
  79 } EmpathyEventManagerPriv;
  80
  81 typedef struct _EventPriv EventPriv;
  82 typedef void (*EventFunc) (EventPriv *event);
  83
  84 struct _EventPriv {
  85   EmpathyEvent public;
  86   EmpathyEventManager *manager;
  87   EventManagerApproval *approval;
  88   EventFunc func;
  89   gboolean inhibit;
  90   gpointer user_data;
  91 };
  92
  93 enum {
  94   EVENT_ADDED,
  95   EVENT_REMOVED,
  96   EVENT_UPDATED,
  97   LAST_SIGNAL
  98 };
  99
 100 static guint signals[LAST_SIGNAL];
 101
 102 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 103
 104 static EmpathyEventManager * manager_singleton = NULL;
 105
 106 static EventManagerApproval *
 107 event_manager_approval_new (EmpathyEventManager *manager,
 108   EmpathyDispatchOperation *operation)
 109 {
 110   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 111   result->operation = g_object_ref (operation);
 112   result->manager = manager;
 113
 114   return result;
 115 }
 116
 117 static void
 118 event_manager_approval_free (EventManagerApproval *approval)
 119 {
 120   g_signal_handler_disconnect (approval->operation,
 121     approval->approved_handler);
 122   g_signal_handler_disconnect (approval->operation,
 123     approval->claimed_handler);
 124   g_signal_handler_disconnect (approval->operation,
 125     approval->invalidated_handler);
 126   g_object_unref (approval->operation);
 127
 128   if (approval->contact != NULL)
 129     g_object_unref (approval->contact);
 130
 131   if (approval->tube_dispatch != NULL)
 132     g_object_unref (approval->tube_dispatch);
 133
 134   if (approval->dialog != NULL)
 135     {
 136       gtk_widget_destroy (approval->dialog);
 137     }
 138
 139   g_slice_free (EventManagerApproval, approval);
 140 }
 141
 142 static void event_remove (EventPriv *event);
 143
 144 static void
 145 event_free (EventPriv *event)
 146 {
 147   g_free (event->public.icon_name);
 148   g_free (event->public.header);
 149   g_free (event->public.message);
 150
 151   if (event->public.contact)
 152     {
 153       g_object_unref (event->public.contact);
 154     }
 155
 156   g_slice_free (EventPriv, event);
 157 }
 158
 159 static void event_manager_ringing_finished_cb (ca_context *c, guint id,
 160   int error_code, gpointer user_data);
 161
 162 static gboolean
 163 event_manager_ringing_timeout_cb (gpointer data)
 164 {
 165   EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
 166   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 167
 168   priv->voip_timeout = 0;
 169
 170   empathy_sound_play_full (empathy_main_window_get (),
 171       EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
 172       manager);
 173
 174   return FALSE;
 175 }
 176
 177 static gboolean
 178 event_manager_ringing_idle_cb (gpointer data)
 179 {
 180   EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
 181   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 182
 183   if (priv->ringing > 0)
 184     priv->voip_timeout = g_timeout_add (500, event_manager_ringing_timeout_cb,
 185       data);
 186
 187   return FALSE;
 188 }
 189
 190 static void
 191 event_manager_ringing_finished_cb (ca_context *c, guint id, int error_code,
 192   gpointer user_data)
 193 {
 194   if (error_code == CA_ERROR_CANCELED)
 195     return;
 196
 197   g_idle_add (event_manager_ringing_idle_cb, user_data);
 198 }
 199
 200 static void
 201 event_manager_start_ringing (EmpathyEventManager *manager)
 202 {
 203   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 204
 205   priv->ringing++;
 206
 207   if (priv->ringing == 1)
 208     {
 209       empathy_sound_play_full (empathy_main_window_get (),
 210         EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
 211         manager);
 212     }
 213 }
 214
 215 static void
 216 event_manager_stop_ringing (EmpathyEventManager *manager)
 217 {
 218   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 219
 220   priv->ringing--;
 221
 222   if (priv->ringing > 0)
 223     return;
 224
 225   empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
 226
 227   if (priv->voip_timeout != 0)
 228     {
 229       g_source_remove (priv->voip_timeout);
 230       priv->voip_timeout = 0;
 231     }
 232 }
 233
 234 static void
 235 event_remove (EventPriv *event)
 236 {
 237   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 238
 239   DEBUG ("Removing event %p", event);
 240   priv->events = g_slist_remove (priv->events, event);
 241   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 242   event_free (event);
 243 }
 244
 245 static void
 246 event_manager_add (EmpathyEventManager *manager, EmpathyContact *contact,
 247   const gchar *icon_name, const gchar *header, const gchar *message,
 248   EventManagerApproval *approval, EventFunc func, gpointer user_data)
 249 {
 250   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 251   EventPriv               *event;
 252
 253   event = g_slice_new0 (EventPriv);
 254   event->public.contact = contact ? g_object_ref (contact) : NULL;
 255   event->public.icon_name = g_strdup (icon_name);
 256   event->public.header = g_strdup (header);
 257   event->public.message = g_strdup (message);
 258   event->inhibit = FALSE;
 259   event->func = func;
 260   event->user_data = user_data;
 261   event->manager = manager;
 262   event->approval = approval;
 263
 264   DEBUG ("Adding event %p", event);
 265   priv->events = g_slist_prepend (priv->events, event);
 266   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 267 }
 268
 269 static void
 270 event_channel_process_func (EventPriv *event)
 271 {
 272   empathy_dispatch_operation_approve (event->approval->operation);
 273 }
 274
 275 static void
 276 event_text_channel_process_func (EventPriv *event)
 277 {
 278   EmpathyTpChat *tp_chat;
 279
 280   if (event->approval->handler != 0)
 281     {
 282       tp_chat = EMPATHY_TP_CHAT
 283         (empathy_dispatch_operation_get_channel_wrapper (event->approval->operation));
 284
 285       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 286       event->approval->handler = 0;
 287     }
 288
 289   empathy_dispatch_operation_approve (event->approval->operation);
 290 }
 291
 292 static EventPriv *
 293 event_lookup_by_approval (EmpathyEventManager *manager,
 294   EventManagerApproval *approval)
 295 {
 296   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 297   GSList *l;
 298   EventPriv *retval = NULL;
 299
 300   for (l = priv->events; l; l = l->next)
 301     {
 302       EventPriv *event = l->data;
 303
 304       if (event->approval == approval)
 305         {
 306           retval = event;
 307           break;
 308         }
 309     }
 310
 311   return retval;
 312 }
 313
 314 static void
 315 event_update (EmpathyEventManager *manager, EventPriv *event,
 316   const char *icon_name, const char *header, const char *msg)
 317 {
 318   g_free (event->public.icon_name);
 319   g_free (event->public.header);
 320   g_free (event->public.message);
 321
 322   event->public.icon_name = g_strdup (icon_name);
 323   event->public.header = g_strdup (header);
 324   event->public.message = g_strdup (msg);
 325
 326   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 327 }
 328
 329 static void
 330 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 331   gint response, gpointer user_data)
 332 {
 333   EventManagerApproval *approval = user_data;
 334
 335   gtk_widget_destroy (approval->dialog);
 336   approval->dialog = NULL;
 337
 338   if (response != GTK_RESPONSE_ACCEPT)
 339     {
 340       EmpathyTpCall *call =
 341         EMPATHY_TP_CALL (
 342           empathy_dispatch_operation_get_channel_wrapper (
 343             approval->operation));
 344
 345       g_object_ref (call);
 346       if (empathy_dispatch_operation_claim (approval->operation))
 347         empathy_tp_call_close (call);
 348       g_object_unref (call);
 349
 350     }
 351   else
 352     {
 353       EmpathyCallFactory *factory = empathy_call_factory_get ();
 354       empathy_call_factory_claim_channel (factory, approval->operation);
 355     }
 356 }
 357
 358 static void
 359 event_channel_process_voip_func (EventPriv *event)
 360 {
 361   GtkWidget *dialog;
 362   GtkWidget *button;
 363   GtkWidget *image;
 364
 365   if (event->approval->dialog != NULL)
 366     {
 367       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 368       return;
 369     }
 370
 371   dialog = gtk_message_dialog_new (GTK_WINDOW (empathy_main_window_get()),
 372       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 373       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Incoming call"));
 374   gtk_message_dialog_format_secondary_text (
 375     GTK_MESSAGE_DIALOG (dialog),
 376       _("%s is calling you, do you want to answer?"),
 377       empathy_contact_get_name (event->approval->contact));
 378
 379   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 380       GTK_RESPONSE_OK);
 381
 382   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 383       _("_Reject"), GTK_RESPONSE_REJECT);
 384   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL,
 385     GTK_ICON_SIZE_BUTTON);
 386   gtk_button_set_image (GTK_BUTTON (button), image);
 387
 388   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 389       _("_Answer"), GTK_RESPONSE_ACCEPT);
 390
 391   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 392   gtk_button_set_image (GTK_BUTTON (button), image);
 393
 394   g_signal_connect (dialog, "response",
 395       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 396       event->approval);
 397
 398   gtk_widget_show (dialog);
 399
 400   event->approval->dialog = dialog;
 401 }
 402
 403 static void
 404 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 405   EmpathyMessage *message, EventManagerApproval *approval)
 406 {
 407   EmpathyContact  *sender;
 408   gchar           *header;
 409   const gchar     *msg;
 410   TpChannel       *channel;
 411   EventPriv       *event;
 412
 413   /* try to update the event if it's referring to a chat which is already in the
 414    * queue. */
 415   event = event_lookup_by_approval (approval->manager, approval);
 416
 417   if (event != NULL && event->inhibit && approval->handler != 0)
 418     {
 419       g_signal_handler_disconnect (tp_chat, approval->handler);
 420       approval->handler = 0;
 421       return;
 422     }
 423
 424   sender = empathy_message_get_sender (message);
 425   header = g_strdup_printf (_("New message from %s"),
 426                             empathy_contact_get_name (sender));
 427   msg = empathy_message_get_body (message);
 428
 429   channel = empathy_tp_chat_get_channel (tp_chat);
 430
 431   if (event != NULL)
 432     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header, msg);
 433   else
 434     event_manager_add (approval->manager, sender, EMPATHY_IMAGE_NEW_MESSAGE, header,
 435       msg, approval, event_text_channel_process_func, NULL);
 436
 437   g_free (header);
 438   empathy_sound_play (empathy_main_window_get (),
 439     EMPATHY_SOUND_CONVERSATION_NEW);
 440 }
 441
 442 static void
 443 event_manager_approval_done (EventManagerApproval *approval)
 444 {
 445   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 446   GSList                  *l;
 447
 448   if (approval->operation != NULL)
 449     {
 450       GQuark channel_type;
 451
 452       channel_type = empathy_dispatch_operation_get_channel_type_id (
 453           approval->operation);
 454       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 455         {
 456           event_manager_stop_ringing (approval->manager);
 457         }
 458     }
 459
 460   priv->approvals = g_slist_remove (priv->approvals, approval);
 461
 462   for (l = priv->events; l; l = l->next)
 463     {
 464       EventPriv *event = l->data;
 465
 466       if (event->approval == approval)
 467         {
 468           event_remove (event);
 469           break;
 470         }
 471     }
 472
 473   event_manager_approval_free (approval);
 474 }
 475
 476 static void
 477 event_manager_operation_approved_cb (EmpathyDispatchOperation *operation,
 478   EventManagerApproval *approval)
 479 {
 480   event_manager_approval_done (approval);
 481 }
 482
 483 static void
 484 event_manager_operation_claimed_cb (EmpathyDispatchOperation *operation,
 485   EventManagerApproval *approval)
 486 {
 487   event_manager_approval_done (approval);
 488 }
 489
 490 static void
 491 event_manager_operation_invalidated_cb (EmpathyDispatchOperation *operation,
 492   guint domain, gint code, gchar *message,
 493   EventManagerApproval *approval)
 494 {
 495   event_manager_approval_done (approval);
 496 }
 497
 498 static void
 499 event_manager_media_channel_got_name_cb (EmpathyContact *contact,
 500   const GError *error, gpointer user_data, GObject *object)
 501 {
 502   EventManagerApproval *approval = user_data;
 503   gchar *header;
 504
 505   if (error != NULL)
 506     {
 507       /* FIXME just returning assuming the operation will be invalidated as
 508        * well */
 509       return;
 510     }
 511
 512   header = g_strdup_printf (_("Incoming call from %s"),
 513     empathy_contact_get_name (contact));
 514
 515   event_manager_add (approval->manager,
 516     approval->contact, EMPATHY_IMAGE_VOIP, header, NULL,
 517     approval, event_channel_process_voip_func, NULL);
 518
 519   g_free (header);
 520   event_manager_start_ringing (approval->manager);
 521 }
 522
 523 static void
 524 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 525 {
 526   empathy_contact_call_when_ready (approval->contact,
 527      EMPATHY_CONTACT_READY_NAME, event_manager_media_channel_got_name_cb,
 528         approval, NULL, G_OBJECT (approval->manager));
 529 }
 530
 531 static void
 532 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 533   GParamSpec *param, EventManagerApproval *approval)
 534 {
 535   EmpathyContact *contact;
 536
 537   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 538
 539   if (contact == NULL)
 540     return;
 541
 542   approval->contact = contact;
 543   event_manager_media_channel_got_contact (approval);
 544 }
 545
 546 static void
 547 event_manager_tube_approved_cb (EventPriv *event)
 548 {
 549   empathy_tube_dispatch_handle (event->approval->tube_dispatch);
 550 }
 551
 552 static void
 553 event_manager_add_tube_approval (EventManagerApproval *approval,
 554   EmpathyTubeDispatchAbility ability)
 555 {
 556   const gchar *icon_name;
 557   gchar       *header;
 558   const gchar *msg;
 559
 560   header = g_strdup_printf (_("%s is offering you an invitation"),
 561     empathy_contact_get_name (approval->contact));
 562
 563   if (ability == EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE)
 564     {
 565       icon_name = GTK_STOCK_EXECUTE;
 566       msg = _("An external application will be started to handle it.");
 567     }
 568   else
 569     {
 570       icon_name = GTK_STOCK_DIALOG_ERROR;
 571       msg = _("You don't have the needed external "
 572               "application to handle it.");
 573     }
 574
 575   event_manager_add (approval->manager, approval->contact, icon_name, header,
 576     msg, approval, event_manager_tube_approved_cb, approval);
 577
 578   g_free (header);
 579   /* FIXME better sound for incoming tubes ? */
 580   empathy_sound_play (empathy_main_window_get (),
 581     EMPATHY_SOUND_CONVERSATION_NEW);
 582 }
 583
 584 static void
 585 event_manager_tube_dispatch_ability_cb (GObject *object,
 586    GParamSpec *spec, gpointer user_data)
 587 {
 588   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 589   EmpathyTubeDispatchAbility dispatchability;
 590
 591   dispatchability =
 592     empathy_tube_dispatch_is_dispatchable (approval->tube_dispatch);
 593
 594   if (dispatchability != EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN)
 595     {
 596       event_manager_add_tube_approval (approval, dispatchability);
 597       g_signal_handler_disconnect (object, approval->handler);
 598       approval->handler = 0;
 599     }
 600 }
 601
 602 static void
 603 event_manager_tube_got_contact_name_cb (EmpathyContact *contact,
 604   const GError *error, gpointer user_data, GObject *object)
 605 {
 606   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 607   EmpathyTubeDispatchAbility dispatchability;
 608
 609   if (error != NULL)
 610     {
 611       /* FIXME?, we assume that the operation gets invalidated as well (if it
 612        * didn't already */
 613        return;
 614     }
 615
 616   dispatchability = empathy_tube_dispatch_is_dispatchable
 617     (approval->tube_dispatch);
 618
 619
 620   switch (dispatchability)
 621     {
 622       case EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN:
 623         approval->handler = g_signal_connect (approval->tube_dispatch,
 624           "notify::dispatchability",
 625           G_CALLBACK (event_manager_tube_dispatch_ability_cb), approval);
 626         break;
 627       case EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE:
 628         /* fallthrough */
 629       case EMPATHY_TUBE_DISPATCHABILITY_IMPOSSIBLE:
 630         event_manager_add_tube_approval (approval, dispatchability);
 631         break;
 632     }
 633 }
 634
 635 static void
 636 invite_dialog_response_cb (GtkDialog *dialog,
 637                            gint response,
 638                            EventManagerApproval *approval)
 639 {
 640   EmpathyTpChat *tp_chat;
 641   TpChannel *channel;
 642   EmpathyTpGroup *group;
 643   EmpathyContact *self_contact;
 644
 645   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 646   approval->dialog = NULL;
 647
 648   tp_chat = EMPATHY_TP_CHAT (empathy_dispatch_operation_get_channel_wrapper (
 649         approval->operation));
 650
 651   if (response != GTK_RESPONSE_OK)
 652     {
 653       /* close channel */
 654       DEBUG ("Muc invitation rejected");
 655
 656       if (empathy_dispatch_operation_claim (approval->operation))
 657         empathy_tp_chat_close (tp_chat);
 658       empathy_tp_chat_close (tp_chat);
 659       return;
 660     }
 661
 662   DEBUG ("Muc invitation accepted");
 663
 664   /* join the room */
 665   channel = empathy_tp_chat_get_channel (tp_chat);
 666
 667   group = empathy_tp_group_new (channel);
 668   empathy_run_until_ready (group);
 669
 670   self_contact = empathy_tp_group_get_self_contact (group);
 671   empathy_tp_group_add_member (group, self_contact, NULL);
 672
 673   empathy_dispatch_operation_approve (approval->operation);
 674
 675   g_object_unref (group);
 676   g_object_unref (self_contact);
 677 }
 678
 679 static void
 680 event_room_channel_process_func (EventPriv *event)
 681 {
 682   GtkWidget *dialog, *button, *image;
 683   TpChannel *channel = empathy_dispatch_operation_get_channel (
 684       event->approval->operation);
 685
 686   if (event->approval->dialog != NULL)
 687     {
 688       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 689       return;
 690     }
 691
 692   /* create dialog */
 693   dialog = gtk_message_dialog_new (NULL, 0,
 694       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 695
 696   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 697       _("%s is inviting you to join %s"),
 698       empathy_contact_get_name (event->approval->contact),
 699       tp_channel_get_identifier (channel));
 700
 701   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 702       GTK_RESPONSE_OK);
 703
 704   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 705       _("_Decline"), GTK_RESPONSE_CANCEL);
 706   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 707   gtk_button_set_image (GTK_BUTTON (button), image);
 708
 709   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 710       _("_Join"), GTK_RESPONSE_OK);
 711   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 712   gtk_button_set_image (GTK_BUTTON (button), image);
 713
 714   g_signal_connect (dialog, "response",
 715       G_CALLBACK (invite_dialog_response_cb), event->approval);
 716
 717   gtk_widget_show (dialog);
 718
 719   event->approval->dialog = dialog;
 720 }
 721
 722 static void
 723 event_manager_approve_channel_cb (EmpathyDispatcher *dispatcher,
 724   EmpathyDispatchOperation  *operation, EmpathyEventManager *manager)
 725 {
 726   const gchar *channel_type;
 727   EventManagerApproval *approval;
 728   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 729
 730   channel_type = empathy_dispatch_operation_get_channel_type (operation);
 731
 732   approval = event_manager_approval_new (manager, operation);
 733   priv->approvals = g_slist_prepend (priv->approvals, approval);
 734
 735   approval->approved_handler = g_signal_connect (operation, "approved",
 736     G_CALLBACK (event_manager_operation_approved_cb), approval);
 737
 738   approval->claimed_handler = g_signal_connect (operation, "claimed",
 739      G_CALLBACK (event_manager_operation_claimed_cb), approval);
 740
 741   approval->invalidated_handler = g_signal_connect (operation, "invalidated",
 742      G_CALLBACK (event_manager_operation_invalidated_cb), approval);
 743
 744   if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT))
 745     {
 746       EmpathyTpChat *tp_chat =
 747         EMPATHY_TP_CHAT (
 748           empathy_dispatch_operation_get_channel_wrapper (operation));
 749       TpChannel *channel = empathy_tp_chat_get_channel (tp_chat);
 750       TpHandle handle;
 751       TpHandleType handle_type;
 752
 753       handle = tp_channel_get_handle (channel, &handle_type);
 754
 755       if (handle_type == TP_HANDLE_TYPE_CONTACT)
 756         {
 757           /* 1-1 text channel, wait for the first message */
 758           approval->handler = g_signal_connect (tp_chat, "message-received",
 759             G_CALLBACK (event_manager_chat_message_received_cb), approval);
 760         }
 761       else if (handle_type == TP_HANDLE_TYPE_ROOM)
 762         {
 763           EmpathyTpGroup *group;
 764           EmpathyPendingInfo *info;
 765           gchar *msg;
 766
 767           group = empathy_tp_group_new (channel);
 768           empathy_run_until_ready (group);
 769           info = empathy_tp_group_get_invitation (group, NULL);
 770
 771           if (info == NULL)
 772             {
 773               DEBUG ("can't handle a incoming muc to which we have not been "
 774                   "invited");
 775
 776               if (empathy_dispatch_operation_claim (approval->operation))
 777                 empathy_tp_chat_close (tp_chat);
 778
 779               g_object_unref (group);
 780               return;
 781             }
 782
 783           /* We are invited to a room */
 784           msg = g_strdup_printf ("%s invited you to join %s",
 785               empathy_contact_get_name (info->actor),
 786               tp_channel_get_identifier (channel));
 787
 788           approval->contact = g_object_ref (info->actor);
 789
 790           event_manager_add (approval->manager,
 791             info->actor, EMPATHY_IMAGE_GROUP_MESSAGE, msg, info->message,
 792             approval, event_room_channel_process_func, NULL);
 793
 794           empathy_sound_play (empathy_main_window_get (),
 795             EMPATHY_SOUND_CONVERSATION_NEW);
 796
 797           g_object_unref (group);
 798         }
 799     }
 800   else if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA))
 801     {
 802       EmpathyContact *contact;
 803       EmpathyTpCall *call = EMPATHY_TP_CALL (
 804           empathy_dispatch_operation_get_channel_wrapper (operation));
 805
 806       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 807
 808       if (contact == NULL)
 809         {
 810           g_signal_connect (call, "notify::contact",
 811             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 812             approval);
 813         }
 814       else
 815         {
 816           approval->contact = contact;
 817           event_manager_media_channel_got_contact (approval);
 818         }
 819
 820     }
 821   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
 822     {
 823       EmpathyContact        *contact;
 824       gchar                 *header;
 825       TpHandle               handle;
 826       McAccount             *account;
 827       EmpathyContactFactory *factory;
 828       TpChannel *channel = empathy_dispatch_operation_get_channel (operation);
 829
 830       factory = empathy_contact_factory_dup_singleton ();
 831       handle = tp_channel_get_handle (channel, NULL);
 832       account = empathy_channel_get_account (channel);
 833
 834       contact = empathy_contact_factory_get_from_handle (factory, account,
 835         handle);
 836
 837       empathy_contact_run_until_ready (contact,
 838         EMPATHY_CONTACT_READY_NAME, NULL);
 839
 840       header = g_strdup_printf (_("Incoming file transfer from %s"),
 841         empathy_contact_get_name (contact));
 842
 843       event_manager_add (manager, contact, EMPATHY_IMAGE_DOCUMENT_SEND,
 844         header, NULL, approval, event_channel_process_func, NULL);
 845
 846       /* FIXME better sound for incoming file transfers ?*/
 847       empathy_sound_play (empathy_main_window_get (),
 848         EMPATHY_SOUND_CONVERSATION_NEW);
 849
 850       g_object_unref (factory);
 851       g_object_unref (account);
 852       g_free (header);
 853     }
 854   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE) ||
 855       !tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_DBUS_TUBE))
 856     {
 857       EmpathyContact        *contact;
 858       TpHandle               handle;
 859       TpHandleType           handle_type;
 860       McAccount             *account;
 861       EmpathyContactFactory *factory;
 862       EmpathyTubeDispatch *tube_dispatch;
 863       TpChannel *channel;
 864
 865       channel = empathy_dispatch_operation_get_channel (operation);
 866
 867       handle = tp_channel_get_handle (channel, &handle_type);
 868
 869       /* Only understand p2p tubes */
 870       if (handle_type != TP_HANDLE_TYPE_CONTACT)
 871         return;
 872
 873       factory = empathy_contact_factory_dup_singleton ();
 874       account = empathy_channel_get_account (channel);
 875
 876       contact = empathy_contact_factory_get_from_handle (factory, account,
 877         handle);
 878
 879       tube_dispatch = empathy_tube_dispatch_new (operation);
 880
 881       approval->contact = contact;
 882       approval->tube_dispatch = tube_dispatch;
 883
 884       empathy_contact_call_when_ready (contact,
 885         EMPATHY_CONTACT_READY_NAME, event_manager_tube_got_contact_name_cb,
 886         approval, NULL, G_OBJECT (manager));
 887
 888       g_object_unref (factory);
 889       g_object_unref (account);
 890     }
 891   else
 892     {
 893       DEBUG ("Unknown channel type, ignoring..");
 894     }
 895 }
 896
 897 static void
 898 event_pending_subscribe_func (EventPriv *event)
 899 {
 900   empathy_subscription_dialog_show (event->public.contact, NULL);
 901   event_remove (event);
 902 }
 903
 904 static void
 905 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 906   EmpathyContact *contact, EmpathyContact *actor,
 907   guint reason, gchar *message, gboolean is_pending,
 908   EmpathyEventManager *manager)
 909 {
 910   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 911   gchar                   *header, *event_msg;
 912
 913   if (!is_pending)
 914     {
 915       GSList *l;
 916
 917       for (l = priv->events; l; l = l->next)
 918         {
 919           EventPriv *event = l->data;
 920
 921       if (event->public.contact == contact &&
 922           event->func == event_pending_subscribe_func)
 923         {
 924           event_remove (event);
 925           break;
 926         }
 927       }
 928
 929       return;
 930     }
 931
 932   empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME, NULL);
 933
 934   header = g_strdup_printf (_("Subscription requested by %s"),
 935     empathy_contact_get_name (contact));
 936
 937   if (!EMP_STR_EMPTY (message))
 938     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
 939   else
 940     event_msg = NULL;
 941
 942   event_manager_add (manager, contact, GTK_STOCK_DIALOG_QUESTION, header,
 943     event_msg, NULL, event_pending_subscribe_func, NULL);
 944
 945   g_free (event_msg);
 946   g_free (header);
 947 }
 948
 949 static GObject *
 950 event_manager_constructor (GType type,
 951                            guint n_props,
 952                            GObjectConstructParam *props)
 953 {
 954         GObject *retval;
 955
 956         if (manager_singleton) {
 957                 retval = g_object_ref (manager_singleton);
 958         } else {
 959                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
 960                         (type, n_props, props);
 961
 962                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
 963                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
 964         }
 965
 966         return retval;
 967 }
 968
 969 static void
 970 event_manager_finalize (GObject *object)
 971 {
 972   EmpathyEventManagerPriv *priv = GET_PRIV (object);
 973
 974   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
 975   g_slist_free (priv->events);
 976   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
 977   g_slist_free (priv->approvals);
 978   g_object_unref (priv->contact_manager);
 979   g_object_unref (priv->dispatcher);
 980 }
 981
 982 static void
 983 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
 984 {
 985   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 986
 987   object_class->finalize = event_manager_finalize;
 988   object_class->constructor = event_manager_constructor;
 989
 990   signals[EVENT_ADDED] =
 991     g_signal_new ("event-added",
 992       G_TYPE_FROM_CLASS (klass),
 993       G_SIGNAL_RUN_LAST,
 994       0,
 995       NULL, NULL,
 996       g_cclosure_marshal_VOID__POINTER,
 997       G_TYPE_NONE,
 998       1, G_TYPE_POINTER);
 999
1000   signals[EVENT_REMOVED] =
1001   g_signal_new ("event-removed",
1002       G_TYPE_FROM_CLASS (klass),
1003       G_SIGNAL_RUN_LAST,
1004       0,
1005       NULL, NULL,
1006       g_cclosure_marshal_VOID__POINTER,
1007       G_TYPE_NONE, 1, G_TYPE_POINTER);
1008
1009   signals[EVENT_UPDATED] =
1010   g_signal_new ("event-updated",
1011       G_TYPE_FROM_CLASS (klass),
1012       G_SIGNAL_RUN_LAST,
1013       0,
1014       NULL, NULL,
1015       g_cclosure_marshal_VOID__POINTER,
1016       G_TYPE_NONE, 1, G_TYPE_POINTER);
1017
1018
1019   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1020 }
1021
1022 static void
1023 empathy_event_manager_init (EmpathyEventManager *manager)
1024 {
1025   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1026     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1027
1028   manager->priv = priv;
1029
1030   priv->dispatcher = empathy_dispatcher_dup_singleton ();
1031   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1032   g_signal_connect (priv->dispatcher, "approve",
1033     G_CALLBACK (event_manager_approve_channel_cb), manager);
1034   g_signal_connect (priv->contact_manager, "pendings-changed",
1035     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1036 }
1037
1038 EmpathyEventManager *
1039 empathy_event_manager_dup_singleton (void)
1040 {
1041   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1042 }
1043
1044 GSList *
1045 empathy_event_manager_get_events (EmpathyEventManager *manager)
1046 {
1047   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1048
1049   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1050
1051   return priv->events;
1052 }
1053
1054 EmpathyEvent *
1055 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1056 {
1057   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1058
1059   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1060
1061   return priv->events ? priv->events->data : NULL;
1062 }
1063
1064 void
1065 empathy_event_activate (EmpathyEvent *event_public)
1066 {
1067   EventPriv *event = (EventPriv*) event_public;
1068
1069   g_return_if_fail (event_public != NULL);
1070
1071   if (event->func)
1072     event->func (event);
1073   else
1074     event_remove (event);
1075 }
1076
1077 void
1078 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1079 {
1080   EventPriv *event = (EventPriv *) event_public;
1081
1082   g_return_if_fail (event_public != NULL);
1083
1084   event->inhibit = TRUE;
1085 }
1086