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-utils.h>
  35 #include <libempathy/empathy-call-factory.h>
  36
  37 #include <extensions/extensions.h>
  38
  39 #include <libempathy-gtk/empathy-images.h>
  40 #include <libempathy-gtk/empathy-contact-dialogs.h>
  41 #include <libempathy-gtk/empathy-ui-utils.h>
  42
  43 #include "empathy-event-manager.h"
  44 #include "empathy-main-window.h"
  45 #include "empathy-tube-dispatch.h"
  46
  47 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  48 #include <libempathy/empathy-debug.h>
  49
  50 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  51
  52 typedef struct {
  53   EmpathyEventManager *manager;
  54   EmpathyDispatchOperation *operation;
  55   gulong approved_handler;
  56   gulong claimed_handler;
  57   gulong invalidated_handler;
  58   /* Remove contact if applicable */
  59   EmpathyContact *contact;
  60   /* Tube dispatcher if applicable */
  61   EmpathyTubeDispatch *tube_dispatch;
  62   /* option signal handler */
  63   gulong handler;
  64   /* optional accept widget */
  65   GtkWidget *dialog;
  66 } EventManagerApproval;
  67
  68 typedef struct {
  69   EmpathyDispatcher *dispatcher;
  70   EmpathyContactManager *contact_manager;
  71   GSList *events;
  72   /* Ongoing approvals */
  73   GSList *approvals;
  74
  75   /* voip ringing sound */
  76   guint voip_timeout;
  77   gint ringing;
  78 } EmpathyEventManagerPriv;
  79
  80 typedef struct _EventPriv EventPriv;
  81 typedef void (*EventFunc) (EventPriv *event);
  82
  83 struct _EventPriv {
  84   EmpathyEvent public;
  85   EmpathyEventManager *manager;
  86   EventManagerApproval *approval;
  87   EventFunc func;
  88   gboolean inhibit;
  89   gpointer user_data;
  90 };
  91
  92 enum {
  93   EVENT_ADDED,
  94   EVENT_REMOVED,
  95   EVENT_UPDATED,
  96   LAST_SIGNAL
  97 };
  98
  99 static guint signals[LAST_SIGNAL];
 100
 101 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 102
 103 static EmpathyEventManager * manager_singleton = NULL;
 104
 105 static EventManagerApproval *
 106 event_manager_approval_new (EmpathyEventManager *manager,
 107   EmpathyDispatchOperation *operation)
 108 {
 109   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 110   result->operation = g_object_ref (operation);
 111   result->manager = manager;
 112
 113   return result;
 114 }
 115
 116 static void
 117 event_manager_approval_free (EventManagerApproval *approval)
 118 {
 119   g_signal_handler_disconnect (approval->operation,
 120     approval->approved_handler);
 121   g_signal_handler_disconnect (approval->operation,
 122     approval->claimed_handler);
 123   g_signal_handler_disconnect (approval->operation,
 124     approval->invalidated_handler);
 125   g_object_unref (approval->operation);
 126
 127   if (approval->contact != NULL)
 128     g_object_unref (approval->contact);
 129
 130   if (approval->tube_dispatch != NULL)
 131     g_object_unref (approval->tube_dispatch);
 132
 133   if (approval->dialog != NULL)
 134     {
 135       gtk_widget_destroy (approval->dialog);
 136     }
 137
 138   g_slice_free (EventManagerApproval, approval);
 139 }
 140
 141 static void event_remove (EventPriv *event);
 142
 143 static void
 144 event_free (EventPriv *event)
 145 {
 146   g_free (event->public.icon_name);
 147   g_free (event->public.header);
 148   g_free (event->public.message);
 149
 150   if (event->public.contact)
 151     {
 152       g_object_unref (event->public.contact);
 153     }
 154
 155   g_slice_free (EventPriv, event);
 156 }
 157
 158 static void event_manager_ringing_finished_cb (ca_context *c, guint id,
 159   int error_code, gpointer user_data);
 160
 161 static gboolean
 162 event_manager_ringing_timeout_cb (gpointer data)
 163 {
 164   EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
 165   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 166
 167   priv->voip_timeout = 0;
 168
 169   empathy_sound_play_full (empathy_main_window_get (),
 170       EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
 171       manager);
 172
 173   return FALSE;
 174 }
 175
 176 static gboolean
 177 event_manager_ringing_idle_cb (gpointer data)
 178 {
 179   EmpathyEventManager *manager = EMPATHY_EVENT_MANAGER (data);
 180   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 181
 182   if (priv->ringing > 0)
 183     priv->voip_timeout = g_timeout_add (500, event_manager_ringing_timeout_cb,
 184       data);
 185
 186   return FALSE;
 187 }
 188
 189 static void
 190 event_manager_ringing_finished_cb (ca_context *c, guint id, int error_code,
 191   gpointer user_data)
 192 {
 193   if (error_code == CA_ERROR_CANCELED)
 194     return;
 195
 196   g_idle_add (event_manager_ringing_idle_cb, user_data);
 197 }
 198
 199 static void
 200 event_manager_start_ringing (EmpathyEventManager *manager)
 201 {
 202   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 203
 204   priv->ringing++;
 205
 206   if (priv->ringing == 1)
 207     {
 208       empathy_sound_play_full (empathy_main_window_get (),
 209         EMPATHY_SOUND_PHONE_INCOMING, event_manager_ringing_finished_cb,
 210         manager);
 211     }
 212 }
 213
 214 static void
 215 event_manager_stop_ringing (EmpathyEventManager *manager)
 216 {
 217   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 218
 219   priv->ringing--;
 220
 221   if (priv->ringing > 0)
 222     return;
 223
 224   empathy_sound_stop (EMPATHY_SOUND_PHONE_INCOMING);
 225
 226   if (priv->voip_timeout != 0)
 227     {
 228       g_source_remove (priv->voip_timeout);
 229       priv->voip_timeout = 0;
 230     }
 231 }
 232
 233 static void
 234 event_remove (EventPriv *event)
 235 {
 236   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 237
 238   DEBUG ("Removing event %p", event);
 239   priv->events = g_slist_remove (priv->events, event);
 240   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 241   event_free (event);
 242 }
 243
 244 static void
 245 event_manager_add (EmpathyEventManager *manager, EmpathyContact *contact,
 246   const gchar *icon_name, const gchar *header, const gchar *message,
 247   EventManagerApproval *approval, EventFunc func, gpointer user_data)
 248 {
 249   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 250   EventPriv               *event;
 251
 252   event = g_slice_new0 (EventPriv);
 253   event->public.contact = contact ? g_object_ref (contact) : NULL;
 254   event->public.icon_name = g_strdup (icon_name);
 255   event->public.header = g_strdup (header);
 256   event->public.message = g_strdup (message);
 257   event->inhibit = FALSE;
 258   event->func = func;
 259   event->user_data = user_data;
 260   event->manager = manager;
 261   event->approval = approval;
 262
 263   DEBUG ("Adding event %p", event);
 264   priv->events = g_slist_prepend (priv->events, event);
 265   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 266 }
 267
 268 static void
 269 event_channel_process_func (EventPriv *event)
 270 {
 271   empathy_dispatch_operation_approve (event->approval->operation);
 272 }
 273
 274 static void
 275 event_text_channel_process_func (EventPriv *event)
 276 {
 277   EmpathyTpChat *tp_chat;
 278
 279   if (event->approval->handler != 0)
 280     {
 281       tp_chat = EMPATHY_TP_CHAT
 282         (empathy_dispatch_operation_get_channel_wrapper (event->approval->operation));
 283
 284       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 285       event->approval->handler = 0;
 286     }
 287
 288   empathy_dispatch_operation_approve (event->approval->operation);
 289 }
 290
 291 static EventPriv *
 292 event_lookup_by_approval (EmpathyEventManager *manager,
 293   EventManagerApproval *approval)
 294 {
 295   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 296   GSList *l;
 297   EventPriv *retval = NULL;
 298
 299   for (l = priv->events; l; l = l->next)
 300     {
 301       EventPriv *event = l->data;
 302
 303       if (event->approval == approval)
 304         {
 305           retval = event;
 306           break;
 307         }
 308     }
 309
 310   return retval;
 311 }
 312
 313 static void
 314 event_update (EmpathyEventManager *manager, EventPriv *event,
 315   const char *icon_name, const char *header, const char *msg)
 316 {
 317   g_free (event->public.icon_name);
 318   g_free (event->public.header);
 319   g_free (event->public.message);
 320
 321   event->public.icon_name = g_strdup (icon_name);
 322   event->public.header = g_strdup (header);
 323   event->public.message = g_strdup (msg);
 324
 325   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 326 }
 327
 328 static void
 329 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 330   gint response, gpointer user_data)
 331 {
 332   EventManagerApproval *approval = user_data;
 333
 334   gtk_widget_destroy (approval->dialog);
 335   approval->dialog = NULL;
 336
 337   if (response != GTK_RESPONSE_ACCEPT)
 338     {
 339       EmpathyTpCall *call =
 340         EMPATHY_TP_CALL (
 341           empathy_dispatch_operation_get_channel_wrapper (
 342             approval->operation));
 343
 344       g_object_ref (call);
 345       if (empathy_dispatch_operation_claim (approval->operation))
 346         empathy_tp_call_close (call);
 347       g_object_unref (call);
 348
 349     }
 350   else
 351     {
 352       EmpathyCallFactory *factory = empathy_call_factory_get ();
 353       empathy_call_factory_claim_channel (factory, approval->operation);
 354     }
 355 }
 356
 357 static void
 358 event_channel_process_voip_func (EventPriv *event)
 359 {
 360   GtkWidget *dialog;
 361   GtkWidget *button;
 362   GtkWidget *image;
 363
 364   if (event->approval->dialog != NULL)
 365     {
 366       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 367       return;
 368     }
 369
 370   dialog = gtk_message_dialog_new (GTK_WINDOW (empathy_main_window_get()),
 371       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 372       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Incoming call"));
 373   gtk_message_dialog_format_secondary_text (
 374     GTK_MESSAGE_DIALOG (dialog),
 375       _("%s is calling you, do you want to answer?"),
 376       empathy_contact_get_name (event->approval->contact));
 377
 378   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 379       GTK_RESPONSE_OK);
 380
 381   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 382       _("_Reject"), GTK_RESPONSE_REJECT);
 383   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL,
 384     GTK_ICON_SIZE_BUTTON);
 385   gtk_button_set_image (GTK_BUTTON (button), image);
 386
 387   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 388       _("_Answer"), GTK_RESPONSE_ACCEPT);
 389
 390   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 391   gtk_button_set_image (GTK_BUTTON (button), image);
 392
 393   g_signal_connect (dialog, "response",
 394       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 395       event->approval);
 396
 397   gtk_widget_show (dialog);
 398
 399   event->approval->dialog = dialog;
 400 }
 401
 402 static void
 403 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 404   EmpathyMessage *message, EventManagerApproval *approval)
 405 {
 406   EmpathyContact  *sender;
 407   gchar           *header;
 408   const gchar     *msg;
 409   TpChannel       *channel;
 410   EventPriv       *event;
 411
 412   /* try to update the event if it's referring to a chat which is already in the
 413    * queue. */
 414   event = event_lookup_by_approval (approval->manager, approval);
 415
 416   if (event != NULL && event->inhibit && approval->handler != 0)
 417     {
 418       g_signal_handler_disconnect (tp_chat, approval->handler);
 419       approval->handler = 0;
 420       return;
 421     }
 422
 423   sender = empathy_message_get_sender (message);
 424   header = g_strdup_printf (_("New message from %s"),
 425                             empathy_contact_get_name (sender));
 426   msg = empathy_message_get_body (message);
 427
 428   channel = empathy_tp_chat_get_channel (tp_chat);
 429
 430   if (event != NULL)
 431     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header, msg);
 432   else
 433     event_manager_add (approval->manager, sender, EMPATHY_IMAGE_NEW_MESSAGE, header,
 434       msg, approval, event_text_channel_process_func, NULL);
 435
 436   g_free (header);
 437   empathy_sound_play (empathy_main_window_get (),
 438     EMPATHY_SOUND_CONVERSATION_NEW);
 439 }
 440
 441 static void
 442 event_manager_approval_done (EventManagerApproval *approval)
 443 {
 444   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 445   GSList                  *l;
 446
 447   if (approval->operation != NULL)
 448     {
 449       GQuark channel_type;
 450
 451       channel_type = empathy_dispatch_operation_get_channel_type_id (
 452           approval->operation);
 453       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 454         {
 455           event_manager_stop_ringing (approval->manager);
 456         }
 457     }
 458
 459   priv->approvals = g_slist_remove (priv->approvals, approval);
 460
 461   for (l = priv->events; l; l = l->next)
 462     {
 463       EventPriv *event = l->data;
 464
 465       if (event->approval == approval)
 466         {
 467           event_remove (event);
 468           break;
 469         }
 470     }
 471
 472   event_manager_approval_free (approval);
 473 }
 474
 475 static void
 476 event_manager_operation_approved_cb (EmpathyDispatchOperation *operation,
 477   EventManagerApproval *approval)
 478 {
 479   event_manager_approval_done (approval);
 480 }
 481
 482 static void
 483 event_manager_operation_claimed_cb (EmpathyDispatchOperation *operation,
 484   EventManagerApproval *approval)
 485 {
 486   event_manager_approval_done (approval);
 487 }
 488
 489 static void
 490 event_manager_operation_invalidated_cb (EmpathyDispatchOperation *operation,
 491   guint domain, gint code, gchar *message,
 492   EventManagerApproval *approval)
 493 {
 494   event_manager_approval_done (approval);
 495 }
 496
 497 static void
 498 event_manager_media_channel_got_name_cb (EmpathyContact *contact,
 499   const GError *error, gpointer user_data, GObject *object)
 500 {
 501   EventManagerApproval *approval = user_data;
 502   gchar *header;
 503
 504   if (error != NULL)
 505     {
 506       /* FIXME just returning assuming the operation will be invalidated as
 507        * well */
 508       return;
 509     }
 510
 511   header = g_strdup_printf (_("Incoming call from %s"),
 512     empathy_contact_get_name (contact));
 513
 514   event_manager_add (approval->manager,
 515     approval->contact, EMPATHY_IMAGE_VOIP, header, NULL,
 516     approval, event_channel_process_voip_func, NULL);
 517
 518   g_free (header);
 519   event_manager_start_ringing (approval->manager);
 520 }
 521
 522 static void
 523 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 524 {
 525   empathy_contact_call_when_ready (approval->contact,
 526      EMPATHY_CONTACT_READY_NAME, event_manager_media_channel_got_name_cb,
 527         approval, NULL, G_OBJECT (approval->manager));
 528 }
 529
 530 static void
 531 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 532   GParamSpec *param, EventManagerApproval *approval)
 533 {
 534   EmpathyContact *contact;
 535
 536   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 537
 538   if (contact == NULL)
 539     return;
 540
 541   approval->contact = contact;
 542   event_manager_media_channel_got_contact (approval);
 543 }
 544
 545 static void
 546 event_manager_tube_approved_cb (EventPriv *event)
 547 {
 548   empathy_tube_dispatch_handle (event->approval->tube_dispatch);
 549 }
 550
 551 static void
 552 event_manager_add_tube_approval (EventManagerApproval *approval,
 553   EmpathyTubeDispatchAbility ability)
 554 {
 555   const gchar *icon_name;
 556   gchar       *header;
 557   const gchar *msg;
 558
 559   header = g_strdup_printf (_("%s is offering you an invitation"),
 560     empathy_contact_get_name (approval->contact));
 561
 562   if (ability == EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE)
 563     {
 564       icon_name = GTK_STOCK_EXECUTE;
 565       msg = _("An external application will be started to handle it.");
 566     }
 567   else
 568     {
 569       icon_name = GTK_STOCK_DIALOG_ERROR;
 570       msg = _("You don't have the needed external "
 571               "application to handle it.");
 572     }
 573
 574   event_manager_add (approval->manager, approval->contact, icon_name, header,
 575     msg, approval, event_manager_tube_approved_cb, approval);
 576
 577   g_free (header);
 578   /* FIXME better sound for incoming tubes ? */
 579   empathy_sound_play (empathy_main_window_get (),
 580     EMPATHY_SOUND_CONVERSATION_NEW);
 581 }
 582
 583 static void
 584 event_manager_tube_dispatch_ability_cb (GObject *object,
 585    GParamSpec *spec, gpointer user_data)
 586 {
 587   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 588   EmpathyTubeDispatchAbility dispatchability;
 589
 590   dispatchability =
 591     empathy_tube_dispatch_is_dispatchable (approval->tube_dispatch);
 592
 593   if (dispatchability != EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN)
 594     {
 595       event_manager_add_tube_approval (approval, dispatchability);
 596       g_signal_handler_disconnect (object, approval->handler);
 597       approval->handler = 0;
 598     }
 599 }
 600
 601 static void
 602 event_manager_tube_got_contact_name_cb (EmpathyContact *contact,
 603   const GError *error, gpointer user_data, GObject *object)
 604 {
 605   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 606   EmpathyTubeDispatchAbility dispatchability;
 607
 608   if (error != NULL)
 609     {
 610       /* FIXME?, we assume that the operation gets invalidated as well (if it
 611        * didn't already */
 612        return;
 613     }
 614
 615   dispatchability = empathy_tube_dispatch_is_dispatchable
 616     (approval->tube_dispatch);
 617
 618
 619   switch (dispatchability)
 620     {
 621       case EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN:
 622         approval->handler = g_signal_connect (approval->tube_dispatch,
 623           "notify::dispatchability",
 624           G_CALLBACK (event_manager_tube_dispatch_ability_cb), approval);
 625         break;
 626       case EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE:
 627         /* fallthrough */
 628       case EMPATHY_TUBE_DISPATCHABILITY_IMPOSSIBLE:
 629         event_manager_add_tube_approval (approval, dispatchability);
 630         break;
 631     }
 632 }
 633
 634 static void
 635 invite_dialog_response_cb (GtkDialog *dialog,
 636                            gint response,
 637                            EventManagerApproval *approval)
 638 {
 639   EmpathyTpChat *tp_chat;
 640   TpChannel *channel;
 641   TpHandle self_handle;
 642   GArray *members;
 643
 644   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 645   approval->dialog = NULL;
 646
 647   tp_chat = EMPATHY_TP_CHAT (empathy_dispatch_operation_get_channel_wrapper (
 648         approval->operation));
 649
 650   if (response != GTK_RESPONSE_OK)
 651     {
 652       /* close channel */
 653       DEBUG ("Muc invitation rejected");
 654
 655       if (empathy_dispatch_operation_claim (approval->operation))
 656         empathy_tp_chat_close (tp_chat);
 657       return;
 658     }
 659
 660   DEBUG ("Muc invitation accepted");
 661
 662   /* join the room */
 663   channel = empathy_tp_chat_get_channel (tp_chat);
 664
 665   self_handle = tp_channel_group_get_self_handle (channel);
 666   members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
 667   g_array_append_val (members, self_handle);
 668
 669   tp_cli_channel_interface_group_call_add_members (channel, -1, members,
 670       "", NULL, NULL, NULL, NULL);
 671
 672   empathy_dispatch_operation_approve (approval->operation);
 673
 674   g_array_free (members, TRUE);
 675 }
 676
 677 static void
 678 event_room_channel_process_func (EventPriv *event)
 679 {
 680   GtkWidget *dialog, *button, *image;
 681   TpChannel *channel = empathy_dispatch_operation_get_channel (
 682       event->approval->operation);
 683
 684   if (event->approval->dialog != NULL)
 685     {
 686       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 687       return;
 688     }
 689
 690   /* create dialog */
 691   dialog = gtk_message_dialog_new (NULL, 0,
 692       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 693
 694   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 695       _("%s is inviting you to join %s"),
 696       empathy_contact_get_name (event->approval->contact),
 697       tp_channel_get_identifier (channel));
 698
 699   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 700       GTK_RESPONSE_OK);
 701
 702   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 703       _("_Decline"), GTK_RESPONSE_CANCEL);
 704   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 705   gtk_button_set_image (GTK_BUTTON (button), image);
 706
 707   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 708       _("_Join"), GTK_RESPONSE_OK);
 709   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 710   gtk_button_set_image (GTK_BUTTON (button), image);
 711
 712   g_signal_connect (dialog, "response",
 713       G_CALLBACK (invite_dialog_response_cb), event->approval);
 714
 715   gtk_widget_show (dialog);
 716
 717   event->approval->dialog = dialog;
 718 }
 719
 720 static void
 721 event_manager_muc_invite_got_contact_name_cb (EmpathyContact *contact,
 722                                               const GError *error,
 723                                               gpointer user_data,
 724                                               GObject *object)
 725 {
 726   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 727   TpChannel *channel;
 728   const gchar *invite_msg;
 729   gchar *msg;
 730   TpHandle self_handle;
 731
 732   channel = empathy_dispatch_operation_get_channel (approval->operation);
 733
 734   self_handle = tp_channel_group_get_self_handle (channel);
 735   tp_channel_group_get_local_pending_info (channel, self_handle, NULL, NULL,
 736       &invite_msg);
 737
 738   msg = g_strdup_printf (_("%s invited you to join %s"),
 739       empathy_contact_get_name (approval->contact),
 740       tp_channel_get_identifier (channel));
 741
 742   event_manager_add (approval->manager,
 743     approval->contact, EMPATHY_IMAGE_GROUP_MESSAGE, msg, invite_msg,
 744     approval, event_room_channel_process_func, NULL);
 745
 746   empathy_sound_play (empathy_main_window_get (),
 747     EMPATHY_SOUND_CONVERSATION_NEW);
 748
 749   g_free (msg);
 750 }
 751
 752 static void
 753 event_manager_approve_channel_cb (EmpathyDispatcher *dispatcher,
 754   EmpathyDispatchOperation  *operation, EmpathyEventManager *manager)
 755 {
 756   const gchar *channel_type;
 757   EventManagerApproval *approval;
 758   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 759
 760   channel_type = empathy_dispatch_operation_get_channel_type (operation);
 761
 762   approval = event_manager_approval_new (manager, operation);
 763   priv->approvals = g_slist_prepend (priv->approvals, approval);
 764
 765   approval->approved_handler = g_signal_connect (operation, "approved",
 766     G_CALLBACK (event_manager_operation_approved_cb), approval);
 767
 768   approval->claimed_handler = g_signal_connect (operation, "claimed",
 769      G_CALLBACK (event_manager_operation_claimed_cb), approval);
 770
 771   approval->invalidated_handler = g_signal_connect (operation, "invalidated",
 772      G_CALLBACK (event_manager_operation_invalidated_cb), approval);
 773
 774   if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT))
 775     {
 776       EmpathyTpChat *tp_chat =
 777         EMPATHY_TP_CHAT (
 778           empathy_dispatch_operation_get_channel_wrapper (operation));
 779       TpChannel *channel = empathy_tp_chat_get_channel (tp_chat);
 780       TpHandle handle;
 781       TpHandleType handle_type;
 782
 783       handle = tp_channel_get_handle (channel, &handle_type);
 784
 785       if (handle_type == TP_HANDLE_TYPE_CONTACT)
 786         {
 787           /* 1-1 text channel, wait for the first message */
 788           approval->handler = g_signal_connect (tp_chat, "message-received",
 789             G_CALLBACK (event_manager_chat_message_received_cb), approval);
 790         }
 791       else if (handle_type == TP_HANDLE_TYPE_ROOM)
 792         {
 793           TpHandle self_handle, inviter;
 794           EmpathyContactFactory *contact_factory;
 795           McAccount *account;
 796
 797           self_handle = tp_channel_group_get_self_handle (channel);
 798
 799           if (self_handle == 0 || !tp_channel_group_get_local_pending_info (
 800                 channel, self_handle, &inviter, NULL, NULL))
 801             {
 802               DEBUG ("can't handle a incoming muc to which we have not been "
 803                   "invited");
 804
 805               if (empathy_dispatch_operation_claim (approval->operation))
 806                 empathy_tp_chat_close (tp_chat);
 807               return;
 808             }
 809
 810           /* We are invited to a room */
 811           account = empathy_tp_chat_get_account (tp_chat);
 812           contact_factory = empathy_contact_factory_dup_singleton ();
 813
 814           approval->contact = empathy_contact_factory_get_from_handle (
 815               contact_factory, account, inviter);
 816
 817           empathy_contact_call_when_ready (approval->contact,
 818             EMPATHY_CONTACT_READY_NAME,
 819             event_manager_muc_invite_got_contact_name_cb, approval, NULL,
 820             G_OBJECT (manager));
 821
 822           g_object_unref (contact_factory);
 823         }
 824     }
 825   else if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA))
 826     {
 827       EmpathyContact *contact;
 828       EmpathyTpCall *call = EMPATHY_TP_CALL (
 829           empathy_dispatch_operation_get_channel_wrapper (operation));
 830
 831       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 832
 833       if (contact == NULL)
 834         {
 835           g_signal_connect (call, "notify::contact",
 836             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 837             approval);
 838         }
 839       else
 840         {
 841           approval->contact = contact;
 842           event_manager_media_channel_got_contact (approval);
 843         }
 844
 845     }
 846   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
 847     {
 848       EmpathyContact        *contact;
 849       gchar                 *header;
 850       TpHandle               handle;
 851       McAccount             *account;
 852       EmpathyContactFactory *factory;
 853       TpChannel *channel = empathy_dispatch_operation_get_channel (operation);
 854
 855       factory = empathy_contact_factory_dup_singleton ();
 856       handle = tp_channel_get_handle (channel, NULL);
 857       account = empathy_channel_get_account (channel);
 858
 859       contact = empathy_contact_factory_get_from_handle (factory, account,
 860         handle);
 861
 862       empathy_contact_run_until_ready (contact,
 863         EMPATHY_CONTACT_READY_NAME, NULL);
 864
 865       header = g_strdup_printf (_("Incoming file transfer from %s"),
 866         empathy_contact_get_name (contact));
 867
 868       event_manager_add (manager, contact, EMPATHY_IMAGE_DOCUMENT_SEND,
 869         header, NULL, approval, event_channel_process_func, NULL);
 870
 871       /* FIXME better sound for incoming file transfers ?*/
 872       empathy_sound_play (empathy_main_window_get (),
 873         EMPATHY_SOUND_CONVERSATION_NEW);
 874
 875       g_object_unref (factory);
 876       g_object_unref (account);
 877       g_free (header);
 878     }
 879   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE) ||
 880       !tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_DBUS_TUBE))
 881     {
 882       EmpathyContact        *contact;
 883       TpHandle               handle;
 884       TpHandleType           handle_type;
 885       McAccount             *account;
 886       EmpathyContactFactory *factory;
 887       EmpathyTubeDispatch *tube_dispatch;
 888       TpChannel *channel;
 889
 890       channel = empathy_dispatch_operation_get_channel (operation);
 891
 892       handle = tp_channel_get_handle (channel, &handle_type);
 893
 894       /* Only understand p2p tubes */
 895       if (handle_type != TP_HANDLE_TYPE_CONTACT)
 896         return;
 897
 898       factory = empathy_contact_factory_dup_singleton ();
 899       account = empathy_channel_get_account (channel);
 900
 901       contact = empathy_contact_factory_get_from_handle (factory, account,
 902         handle);
 903
 904       tube_dispatch = empathy_tube_dispatch_new (operation);
 905
 906       approval->contact = contact;
 907       approval->tube_dispatch = tube_dispatch;
 908
 909       empathy_contact_call_when_ready (contact,
 910         EMPATHY_CONTACT_READY_NAME, event_manager_tube_got_contact_name_cb,
 911         approval, NULL, G_OBJECT (manager));
 912
 913       g_object_unref (factory);
 914       g_object_unref (account);
 915     }
 916   else
 917     {
 918       DEBUG ("Unknown channel type, ignoring..");
 919     }
 920 }
 921
 922 static void
 923 event_pending_subscribe_func (EventPriv *event)
 924 {
 925   empathy_subscription_dialog_show (event->public.contact, NULL);
 926   event_remove (event);
 927 }
 928
 929 static void
 930 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 931   EmpathyContact *contact, EmpathyContact *actor,
 932   guint reason, gchar *message, gboolean is_pending,
 933   EmpathyEventManager *manager)
 934 {
 935   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 936   gchar                   *header, *event_msg;
 937
 938   if (!is_pending)
 939     {
 940       GSList *l;
 941
 942       for (l = priv->events; l; l = l->next)
 943         {
 944           EventPriv *event = l->data;
 945
 946       if (event->public.contact == contact &&
 947           event->func == event_pending_subscribe_func)
 948         {
 949           event_remove (event);
 950           break;
 951         }
 952       }
 953
 954       return;
 955     }
 956
 957   empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME, NULL);
 958
 959   header = g_strdup_printf (_("Subscription requested by %s"),
 960     empathy_contact_get_name (contact));
 961
 962   if (!EMP_STR_EMPTY (message))
 963     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
 964   else
 965     event_msg = NULL;
 966
 967   event_manager_add (manager, contact, GTK_STOCK_DIALOG_QUESTION, header,
 968     event_msg, NULL, event_pending_subscribe_func, NULL);
 969
 970   g_free (event_msg);
 971   g_free (header);
 972 }
 973
 974 static GObject *
 975 event_manager_constructor (GType type,
 976                            guint n_props,
 977                            GObjectConstructParam *props)
 978 {
 979         GObject *retval;
 980
 981         if (manager_singleton) {
 982                 retval = g_object_ref (manager_singleton);
 983         } else {
 984                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
 985                         (type, n_props, props);
 986
 987                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
 988                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
 989         }
 990
 991         return retval;
 992 }
 993
 994 static void
 995 event_manager_finalize (GObject *object)
 996 {
 997   EmpathyEventManagerPriv *priv = GET_PRIV (object);
 998
 999   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1000   g_slist_free (priv->events);
1001   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1002   g_slist_free (priv->approvals);
1003   g_object_unref (priv->contact_manager);
1004   g_object_unref (priv->dispatcher);
1005 }
1006
1007 static void
1008 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1009 {
1010   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1011
1012   object_class->finalize = event_manager_finalize;
1013   object_class->constructor = event_manager_constructor;
1014
1015   signals[EVENT_ADDED] =
1016     g_signal_new ("event-added",
1017       G_TYPE_FROM_CLASS (klass),
1018       G_SIGNAL_RUN_LAST,
1019       0,
1020       NULL, NULL,
1021       g_cclosure_marshal_VOID__POINTER,
1022       G_TYPE_NONE,
1023       1, G_TYPE_POINTER);
1024
1025   signals[EVENT_REMOVED] =
1026   g_signal_new ("event-removed",
1027       G_TYPE_FROM_CLASS (klass),
1028       G_SIGNAL_RUN_LAST,
1029       0,
1030       NULL, NULL,
1031       g_cclosure_marshal_VOID__POINTER,
1032       G_TYPE_NONE, 1, G_TYPE_POINTER);
1033
1034   signals[EVENT_UPDATED] =
1035   g_signal_new ("event-updated",
1036       G_TYPE_FROM_CLASS (klass),
1037       G_SIGNAL_RUN_LAST,
1038       0,
1039       NULL, NULL,
1040       g_cclosure_marshal_VOID__POINTER,
1041       G_TYPE_NONE, 1, G_TYPE_POINTER);
1042
1043
1044   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1045 }
1046
1047 static void
1048 empathy_event_manager_init (EmpathyEventManager *manager)
1049 {
1050   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1051     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1052
1053   manager->priv = priv;
1054
1055   priv->dispatcher = empathy_dispatcher_dup_singleton ();
1056   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1057   g_signal_connect (priv->dispatcher, "approve",
1058     G_CALLBACK (event_manager_approve_channel_cb), manager);
1059   g_signal_connect (priv->contact_manager, "pendings-changed",
1060     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1061 }
1062
1063 EmpathyEventManager *
1064 empathy_event_manager_dup_singleton (void)
1065 {
1066   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1067 }
1068
1069 GSList *
1070 empathy_event_manager_get_events (EmpathyEventManager *manager)
1071 {
1072   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1073
1074   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1075
1076   return priv->events;
1077 }
1078
1079 EmpathyEvent *
1080 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1081 {
1082   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1083
1084   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1085
1086   return priv->events ? priv->events->data : NULL;
1087 }
1088
1089 void
1090 empathy_event_activate (EmpathyEvent *event_public)
1091 {
1092   EventPriv *event = (EventPriv*) event_public;
1093
1094   g_return_if_fail (event_public != NULL);
1095
1096   if (event->func)
1097     event->func (event);
1098   else
1099     event_remove (event);
1100 }
1101
1102 void
1103 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1104 {
1105   EventPriv *event = (EventPriv *) event_public;
1106
1107   g_return_if_fail (event_public != NULL);
1108
1109   event->inhibit = TRUE;
1110 }
1111