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 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 329   gint response, gpointer user_data)
 330 {
 331   EventManagerApproval *approval = user_data;
 332
 333   gtk_widget_destroy (approval->dialog);
 334   approval->dialog = NULL;
 335
 336   if (response != GTK_RESPONSE_ACCEPT)
 337     {
 338       EmpathyTpCall *call =
 339         EMPATHY_TP_CALL (
 340           empathy_dispatch_operation_get_channel_wrapper (
 341             approval->operation));
 342
 343       g_object_ref (call);
 344       if (empathy_dispatch_operation_claim (approval->operation))
 345         empathy_tp_call_close (call);
 346       g_object_unref (call);
 347
 348     }
 349   else
 350     {
 351       EmpathyCallFactory *factory = empathy_call_factory_get ();
 352       empathy_call_factory_claim_channel (factory, approval->operation);
 353     }
 354 }
 355
 356 static void
 357 event_channel_process_voip_func (EventPriv *event)
 358 {
 359   GtkWidget *dialog;
 360   GtkWidget *button;
 361   GtkWidget *image;
 362
 363   if (event->approval->dialog != NULL)
 364     {
 365       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 366       return;
 367     }
 368
 369   dialog = gtk_message_dialog_new (GTK_WINDOW (empathy_main_window_get()),
 370       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 371       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Incoming call"));
 372   gtk_message_dialog_format_secondary_text (
 373     GTK_MESSAGE_DIALOG (dialog),
 374       _("%s is calling you, do you want to answer?"),
 375       empathy_contact_get_name (event->approval->contact));
 376
 377   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 378       GTK_RESPONSE_OK);
 379
 380   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 381       _("_Reject"), GTK_RESPONSE_REJECT);
 382   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL,
 383     GTK_ICON_SIZE_BUTTON);
 384   gtk_button_set_image (GTK_BUTTON (button), image);
 385
 386   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 387       _("_Answer"), GTK_RESPONSE_ACCEPT);
 388
 389   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 390   gtk_button_set_image (GTK_BUTTON (button), image);
 391
 392   g_signal_connect (dialog, "response",
 393       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 394       event->approval);
 395
 396   gtk_widget_show (dialog);
 397
 398   event->approval->dialog = dialog;
 399 }
 400
 401 static void
 402 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 403   EmpathyMessage *message, EventManagerApproval *approval)
 404 {
 405   EmpathyContact  *sender;
 406   gchar           *header;
 407   const gchar     *msg;
 408   TpChannel       *channel;
 409   EventPriv       *event;
 410
 411   /* try to update the event if it's referring to a chat which is already in the
 412    * queue. */
 413   event = event_lookup_by_approval (approval->manager, approval);
 414
 415   if (event != NULL && event->inhibit && approval->handler != 0)
 416     {
 417       g_signal_handler_disconnect (tp_chat, approval->handler);
 418       approval->handler = 0;
 419       return;
 420     }
 421
 422   sender = empathy_message_get_sender (message);
 423   header = g_strdup_printf (_("New message from %s"),
 424                             empathy_contact_get_name (sender));
 425   msg = empathy_message_get_body (message);
 426
 427   channel = empathy_tp_chat_get_channel (tp_chat);
 428
 429   if (event != NULL)
 430     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header, msg);
 431   else
 432     event_manager_add (approval->manager, sender, EMPATHY_IMAGE_NEW_MESSAGE, header,
 433       msg, approval, event_text_channel_process_func, NULL);
 434
 435   g_free (header);
 436   empathy_sound_play (empathy_main_window_get (),
 437     EMPATHY_SOUND_CONVERSATION_NEW);
 438
 439   g_free (msg);
 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, msg,
 517     approval, event_channel_process_voip_func, NULL);
 518
 519   g_free (header);
 520   event_manager_start_ringing (approval->manager);
 521
 522   g_free (msg);
 523 }
 524
 525 static void
 526 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 527 {
 528   empathy_contact_call_when_ready (approval->contact,
 529      EMPATHY_CONTACT_READY_NAME, event_manager_media_channel_got_name_cb,
 530         approval, NULL, G_OBJECT (approval->manager));
 531 }
 532
 533 static void
 534 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 535   GParamSpec *param, EventManagerApproval *approval)
 536 {
 537   EmpathyContact *contact;
 538
 539   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 540
 541   if (contact == NULL)
 542     return;
 543
 544   approval->contact = contact;
 545   event_manager_media_channel_got_contact (approval);
 546 }
 547
 548 static void
 549 event_manager_tube_approved_cb (EventPriv *event)
 550 {
 551   empathy_tube_dispatch_handle (event->approval->tube_dispatch);
 552 }
 553
 554 static void
 555 event_manager_add_tube_approval (EventManagerApproval *approval,
 556   EmpathyTubeDispatchAbility ability)
 557 {
 558   const gchar *icon_name;
 559   gchar       *header;
 560   const gchar *msg;
 561
 562   header = g_strdup_printf (_("%s is offering you an invitation"),
 563     empathy_contact_get_name (approval->contact));
 564
 565   if (ability == EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE)
 566     {
 567       icon_name = GTK_STOCK_EXECUTE;
 568       msg = _("An external application will be started to handle it.");
 569     }
 570   else
 571     {
 572       icon_name = GTK_STOCK_DIALOG_ERROR;
 573       msg = _("You don't have the needed external "
 574               "application to handle it.");
 575     }
 576
 577   event_manager_add (approval->manager, approval->contact, icon_name, header,
 578     msg, approval, event_manager_tube_approved_cb, approval);
 579
 580   g_free (header);
 581   /* FIXME better sound for incoming tubes ? */
 582   empathy_sound_play (empathy_main_window_get (),
 583     EMPATHY_SOUND_CONVERSATION_NEW);
 584
 585   g_free (msg);
 586 }
 587
 588 static void
 589 event_manager_tube_dispatch_ability_cb (GObject *object,
 590    GParamSpec *spec, gpointer user_data)
 591 {
 592   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 593   EmpathyTubeDispatchAbility dispatchability;
 594
 595   dispatchability =
 596     empathy_tube_dispatch_is_dispatchable (approval->tube_dispatch);
 597
 598   if (dispatchability != EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN)
 599     {
 600       event_manager_add_tube_approval (approval, dispatchability);
 601       g_signal_handler_disconnect (object, approval->handler);
 602       approval->handler = 0;
 603     }
 604 }
 605
 606 static void
 607 event_manager_tube_got_contact_name_cb (EmpathyContact *contact,
 608   const GError *error, gpointer user_data, GObject *object)
 609 {
 610   EventManagerApproval *approval = (EventManagerApproval *)user_data;
 611   EmpathyTubeDispatchAbility dispatchability;
 612
 613   if (error != NULL)
 614     {
 615       /* FIXME?, we assume that the operation gets invalidated as well (if it
 616        * didn't already */
 617        return;
 618     }
 619
 620   dispatchability = empathy_tube_dispatch_is_dispatchable
 621     (approval->tube_dispatch);
 622
 623
 624   switch (dispatchability)
 625     {
 626       case EMPATHY_TUBE_DISPATCHABILITY_UNKNOWN:
 627         approval->handler = g_signal_connect (approval->tube_dispatch,
 628           "notify::dispatchability",
 629           G_CALLBACK (event_manager_tube_dispatch_ability_cb), approval);
 630         break;
 631       case EMPATHY_TUBE_DISPATCHABILITY_POSSIBLE:
 632         /* fallthrough */
 633       case EMPATHY_TUBE_DISPATCHABILITY_IMPOSSIBLE:
 634         event_manager_add_tube_approval (approval, dispatchability);
 635         break;
 636     }
 637 }
 638
 639 static void
 640 event_manager_approve_channel_cb (EmpathyDispatcher *dispatcher,
 641   EmpathyDispatchOperation  *operation, EmpathyEventManager *manager)
 642 {
 643   const gchar *channel_type;
 644   EventManagerApproval *approval;
 645   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 646
 647   channel_type = empathy_dispatch_operation_get_channel_type (operation);
 648
 649   approval = event_manager_approval_new (manager, operation);
 650   priv->approvals = g_slist_prepend (priv->approvals, approval);
 651
 652   approval->approved_handler = g_signal_connect (operation, "approved",
 653     G_CALLBACK (event_manager_operation_approved_cb), approval);
 654
 655   approval->claimed_handler = g_signal_connect (operation, "claimed",
 656      G_CALLBACK (event_manager_operation_claimed_cb), approval);
 657
 658   approval->invalidated_handler = g_signal_connect (operation, "invalidated",
 659      G_CALLBACK (event_manager_operation_invalidated_cb), approval);
 660
 661   if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT))
 662     {
 663       EmpathyTpChat *tp_chat =
 664         EMPATHY_TP_CHAT (
 665           empathy_dispatch_operation_get_channel_wrapper (operation));
 666
 667       approval->handler = g_signal_connect (tp_chat, "message-received",
 668         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 669
 670     }
 671   else if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA))
 672     {
 673       EmpathyContact *contact;
 674       EmpathyTpCall *call = EMPATHY_TP_CALL (
 675           empathy_dispatch_operation_get_channel_wrapper (operation));
 676
 677       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 678
 679       if (contact == NULL)
 680         {
 681           g_signal_connect (call, "notify::contact",
 682             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 683             approval);
 684         }
 685       else
 686         {
 687           approval->contact = contact;
 688           event_manager_media_channel_got_contact (approval);
 689         }
 690
 691     }
 692   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
 693     {
 694       EmpathyContact        *contact;
 695       gchar                 *header;
 696       TpHandle               handle;
 697       McAccount             *account;
 698       EmpathyContactFactory *factory;
 699       TpChannel *channel = empathy_dispatch_operation_get_channel (operation);
 700
 701       factory = empathy_contact_factory_dup_singleton ();
 702       handle = tp_channel_get_handle (channel, NULL);
 703       account = empathy_channel_get_account (channel);
 704
 705       contact = empathy_contact_factory_get_from_handle (factory, account,
 706         handle);
 707
 708       empathy_contact_run_until_ready (contact,
 709         EMPATHY_CONTACT_READY_NAME, NULL);
 710
 711       header = g_strdup_printf (_("Incoming file transfer from %s"),
 712         empathy_contact_get_name (contact));
 713
 714       event_manager_add (manager, contact, EMPATHY_IMAGE_DOCUMENT_SEND,
 715         header, NULL, approval, event_channel_process_func, NULL);
 716
 717       /* FIXME better sound for incoming file transfers ?*/
 718       empathy_sound_play (empathy_main_window_get (),
 719         EMPATHY_SOUND_CONVERSATION_NEW);
 720
 721       g_object_unref (factory);
 722       g_object_unref (account);
 723       g_free (header);
 724     }
 725   else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_STREAM_TUBE) ||
 726       !tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_DBUS_TUBE))
 727     {
 728       EmpathyContact        *contact;
 729       TpHandle               handle;
 730       TpHandleType           handle_type;
 731       McAccount             *account;
 732       EmpathyContactFactory *factory;
 733       EmpathyTubeDispatch *tube_dispatch;
 734       TpChannel *channel;
 735
 736       channel = empathy_dispatch_operation_get_channel (operation);
 737
 738       handle = tp_channel_get_handle (channel, &handle_type);
 739
 740       /* Only understand p2p tubes */
 741       if (handle_type != TP_HANDLE_TYPE_CONTACT)
 742         return;
 743
 744       factory = empathy_contact_factory_dup_singleton ();
 745       account = empathy_channel_get_account (channel);
 746
 747       contact = empathy_contact_factory_get_from_handle (factory, account,
 748         handle);
 749
 750       tube_dispatch = empathy_tube_dispatch_new (operation);
 751
 752       approval->contact = contact;
 753       approval->tube_dispatch = tube_dispatch;
 754
 755       empathy_contact_call_when_ready (contact,
 756         EMPATHY_CONTACT_READY_NAME, event_manager_tube_got_contact_name_cb,
 757         approval, NULL, G_OBJECT (manager));
 758
 759       g_object_unref (factory);
 760       g_object_unref (account);
 761     }
 762   else
 763     {
 764       DEBUG ("Unknown channel type, ignoring..");
 765     }
 766 }
 767
 768 static void
 769 event_pending_subscribe_func (EventPriv *event)
 770 {
 771   empathy_subscription_dialog_show (event->public.contact, NULL);
 772   event_remove (event);
 773 }
 774
 775 static void
 776 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 777   EmpathyContact *contact, EmpathyContact *actor,
 778   guint reason, gchar *message, gboolean is_pending,
 779   EmpathyEventManager *manager)
 780 {
 781   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 782   gchar                   *header, *event_msg;
 783
 784   if (!is_pending)
 785     {
 786       GSList *l;
 787
 788       for (l = priv->events; l; l = l->next)
 789         {
 790           EventPriv *event = l->data;
 791
 792       if (event->public.contact == contact &&
 793           event->func == event_pending_subscribe_func)
 794         {
 795           event_remove (event);
 796           break;
 797         }
 798       }
 799
 800       return;
 801     }
 802
 803   empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME, NULL);
 804
 805   header = g_strdup_printf (_("Subscription requested by %s"),
 806     empathy_contact_get_name (contact));
 807
 808   if (!EMP_STR_EMPTY (message))
 809     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
 810   else
 811     event_msg = NULL;
 812
 813   event_manager_add (manager, contact, GTK_STOCK_DIALOG_QUESTION, header,
 814     event_msg, NULL, event_pending_subscribe_func, NULL);
 815
 816   g_free (event_msg);
 817   g_free (header);
 818 }
 819
 820 static GObject *
 821 event_manager_constructor (GType type,
 822                            guint n_props,
 823                            GObjectConstructParam *props)
 824 {
 825         GObject *retval;
 826
 827         if (manager_singleton) {
 828                 retval = g_object_ref (manager_singleton);
 829         } else {
 830                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
 831                         (type, n_props, props);
 832
 833                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
 834                 g_object_add_weak_pointer (retval, (gpointer *) &manager_singleton);
 835         }
 836
 837         return retval;
 838 }
 839
 840 static void
 841 event_manager_finalize (GObject *object)
 842 {
 843   EmpathyEventManagerPriv *priv = GET_PRIV (object);
 844
 845   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
 846   g_slist_free (priv->events);
 847   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
 848   g_slist_free (priv->approvals);
 849   g_object_unref (priv->contact_manager);
 850   g_object_unref (priv->dispatcher);
 851 }
 852
 853 static void
 854 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
 855 {
 856   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 857
 858   object_class->finalize = event_manager_finalize;
 859   object_class->constructor = event_manager_constructor;
 860
 861   signals[EVENT_ADDED] =
 862     g_signal_new ("event-added",
 863       G_TYPE_FROM_CLASS (klass),
 864       G_SIGNAL_RUN_LAST,
 865       0,
 866       NULL, NULL,
 867       g_cclosure_marshal_VOID__POINTER,
 868       G_TYPE_NONE,
 869       1, G_TYPE_POINTER);
 870
 871   signals[EVENT_REMOVED] =
 872   g_signal_new ("event-removed",
 873       G_TYPE_FROM_CLASS (klass),
 874       G_SIGNAL_RUN_LAST,
 875       0,
 876       NULL, NULL,
 877       g_cclosure_marshal_VOID__POINTER,
 878       G_TYPE_NONE, 1, G_TYPE_POINTER);
 879
 880   signals[EVENT_UPDATED] =
 881   g_signal_new ("event-updated",
 882       G_TYPE_FROM_CLASS (klass),
 883       G_SIGNAL_RUN_LAST,
 884       0,
 885       NULL, NULL,
 886       g_cclosure_marshal_VOID__POINTER,
 887       G_TYPE_NONE, 1, G_TYPE_POINTER);
 888
 889
 890   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
 891 }
 892
 893 static void
 894 empathy_event_manager_init (EmpathyEventManager *manager)
 895 {
 896   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 897     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
 898
 899   manager->priv = priv;
 900
 901   priv->dispatcher = empathy_dispatcher_dup_singleton ();
 902   priv->contact_manager = empathy_contact_manager_dup_singleton ();
 903   g_signal_connect (priv->dispatcher, "approve",
 904     G_CALLBACK (event_manager_approve_channel_cb), manager);
 905   g_signal_connect (priv->contact_manager, "pendings-changed",
 906     G_CALLBACK (event_manager_pendings_changed_cb), manager);
 907 }
 908
 909 EmpathyEventManager *
 910 empathy_event_manager_dup_singleton (void)
 911 {
 912   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
 913 }
 914
 915 GSList *
 916 empathy_event_manager_get_events (EmpathyEventManager *manager)
 917 {
 918   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 919
 920   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 921
 922   return priv->events;
 923 }
 924
 925 EmpathyEvent *
 926 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
 927 {
 928   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 929
 930   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 931
 932   return priv->events ? priv->events->data : NULL;
 933 }
 934
 935 void
 936 empathy_event_activate (EmpathyEvent *event_public)
 937 {
 938   EventPriv *event = (EventPriv*) event_public;
 939
 940   g_return_if_fail (event_public != NULL);
 941
 942   if (event->func)
 943     event->func (event);
 944   else
 945     event_remove (event);
 946 }
 947
 948 void
 949 empathy_event_inhibit_updates (EmpathyEvent *event_public)
 950 {
 951   EventPriv *event = (EventPriv *) event_public;
 952
 953   g_return_if_fail (event_public != NULL);
 954
 955   event->inhibit = TRUE;
 956 }
 957