src/empathy-event-manager.c

   1 /*
   2  * Copyright (C) 2007-2008 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Xavier Claessens <xclaesse@gmail.com>
  19  *          Sjoerd Simons <sjoerd.simons@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <string.h>
  25 #include <glib/gi18n.h>
  26
  27 #include <telepathy-glib/account-manager.h>
  28 #include <telepathy-glib/util.h>
  29 #include <telepathy-glib/interfaces.h>
  30 #include <telepathy-glib/simple-approver.h>
  31
  32 #include <libempathy/empathy-idle.h>
  33 #include <libempathy/empathy-tp-contact-factory.h>
  34 #include <libempathy/empathy-contact-manager.h>
  35 #include <libempathy/empathy-tp-chat.h>
  36 #include <libempathy/empathy-tp-call.h>
  37 #include <libempathy/empathy-tp-file.h>
  38 #include <libempathy/empathy-utils.h>
  39 #include <libempathy/empathy-call-factory.h>
  40 #include <libempathy/empathy-gsettings.h>
  41
  42 #include <extensions/extensions.h>
  43
  44 #include <libempathy-gtk/empathy-images.h>
  45 #include <libempathy-gtk/empathy-contact-dialogs.h>
  46 #include <libempathy-gtk/empathy-sound-manager.h>
  47
  48 #include "empathy-event-manager.h"
  49 #include "empathy-main-window.h"
  50
  51 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  52 #include <libempathy/empathy-debug.h>
  53
  54 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  55
  56 #define NOTIFICATION_TIMEOUT 2 /* seconds */
  57
  58 /* The time interval in milliseconds between 2 incoming rings */
  59 #define MS_BETWEEN_RING 500
  60
  61 typedef struct {
  62   EmpathyEventManager *manager;
  63   TpChannelDispatchOperation *operation;
  64   gulong invalidated_handler;
  65   /* Remove contact if applicable */
  66   EmpathyContact *contact;
  67   /* option signal handler and it's instance */
  68   gulong handler;
  69   GObject *handler_instance;
  70   /* optional accept widget */
  71   GtkWidget *dialog;
  72   /* Channel of the CDO that will be used during the approval */
  73   TpChannel *main_channel;
  74   gboolean auto_approved;
  75 } EventManagerApproval;
  76
  77 typedef struct {
  78   TpBaseClient *approver;
  79   EmpathyContactManager *contact_manager;
  80   GSList *events;
  81   /* Ongoing approvals */
  82   GSList *approvals;
  83
  84   gint ringing;
  85
  86   GSettings *gsettings_notif;
  87   GSettings *gsettings_ui;
  88
  89   EmpathySoundManager *sound_mgr;
  90 } EmpathyEventManagerPriv;
  91
  92 typedef struct _EventPriv EventPriv;
  93 typedef void (*EventFunc) (EventPriv *event);
  94
  95 struct _EventPriv {
  96   EmpathyEvent public;
  97   EmpathyEventManager *manager;
  98   EventManagerApproval *approval;
  99   EventFunc func;
 100   gboolean inhibit;
 101   gpointer user_data;
 102   guint autoremove_timeout_id;
 103 };
 104
 105 enum {
 106   EVENT_ADDED,
 107   EVENT_REMOVED,
 108   EVENT_UPDATED,
 109   LAST_SIGNAL
 110 };
 111
 112 static guint signals[LAST_SIGNAL];
 113
 114 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
 115
 116 static EmpathyEventManager * manager_singleton = NULL;
 117
 118 static EventManagerApproval *
 119 event_manager_approval_new (EmpathyEventManager *manager,
 120   TpChannelDispatchOperation *operation,
 121   TpChannel *main_channel)
 122 {
 123   EventManagerApproval *result = g_slice_new0 (EventManagerApproval);
 124   result->operation = g_object_ref (operation);
 125   result->manager = manager;
 126   result->main_channel = g_object_ref (main_channel);
 127
 128   return result;
 129 }
 130
 131 static void
 132 event_manager_approval_free (EventManagerApproval *approval)
 133 {
 134   g_signal_handler_disconnect (approval->operation,
 135     approval->invalidated_handler);
 136   g_object_unref (approval->operation);
 137
 138   g_object_unref (approval->main_channel);
 139
 140   if (approval->handler != 0)
 141     g_signal_handler_disconnect (approval->handler_instance,
 142       approval->handler);
 143
 144   if (approval->handler_instance != NULL)
 145     g_object_unref (approval->handler_instance);
 146
 147   if (approval->contact != NULL)
 148     g_object_unref (approval->contact);
 149
 150   if (approval->dialog != NULL)
 151     {
 152       gtk_widget_destroy (approval->dialog);
 153     }
 154
 155   g_slice_free (EventManagerApproval, approval);
 156 }
 157
 158 static void
 159 event_free (EventPriv *event)
 160 {
 161   g_free (event->public.icon_name);
 162   g_free (event->public.header);
 163   g_free (event->public.message);
 164
 165   if (event->autoremove_timeout_id != 0)
 166     g_source_remove (event->autoremove_timeout_id);
 167
 168   if (event->public.contact)
 169     {
 170       g_object_unref (event->public.contact);
 171     }
 172
 173   g_slice_free (EventPriv, event);
 174 }
 175
 176 static void
 177 event_remove (EventPriv *event)
 178 {
 179   EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 180
 181   DEBUG ("Removing event %p", event);
 182
 183   priv->events = g_slist_remove (priv->events, event);
 184   g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 185   event_free (event);
 186 }
 187
 188 void
 189 empathy_event_remove (EmpathyEvent *event_public)
 190 {
 191   EventPriv *event = (EventPriv *) event_public;
 192
 193   event_remove (event);
 194 }
 195
 196 static gboolean
 197 autoremove_event_timeout_cb (EventPriv *event)
 198 {
 199   event->autoremove_timeout_id = 0;
 200   event_remove (event);
 201   return FALSE;
 202 }
 203
 204 static gboolean
 205 display_notify_area (EmpathyEventManager *self)
 206 {
 207   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 208
 209   return g_settings_get_boolean (priv->gsettings_ui,
 210       EMPATHY_PREFS_UI_EVENTS_NOTIFY_AREA);
 211 }
 212
 213 static void
 214 event_manager_add (EmpathyEventManager *manager,
 215     EmpathyContact *contact,
 216     EmpathyEventType type,
 217     const gchar *icon_name,
 218     const gchar *header,
 219     const gchar *message,
 220     EventManagerApproval *approval,
 221     EventFunc func,
 222     gpointer user_data)
 223 {
 224   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 225   EventPriv               *event;
 226
 227   event = g_slice_new0 (EventPriv);
 228   event->public.contact = contact ? g_object_ref (contact) : NULL;
 229   event->public.type = type;
 230   event->public.icon_name = g_strdup (icon_name);
 231   event->public.header = g_strdup (header);
 232   event->public.message = g_strdup (message);
 233   event->public.must_ack = (func != NULL);
 234   event->inhibit = FALSE;
 235   event->func = func;
 236   event->user_data = user_data;
 237   event->manager = manager;
 238   event->approval = approval;
 239
 240   DEBUG ("Adding event %p", event);
 241   priv->events = g_slist_prepend (priv->events, event);
 242
 243   if (!display_notify_area (manager))
 244     {
 245       /* Don't fire the 'event-added' signal as we activate the event now */
 246       if (approval != NULL)
 247         approval->auto_approved = TRUE;
 248
 249       empathy_event_activate (&event->public);
 250       return;
 251     }
 252
 253   g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 254
 255   if (!event->public.must_ack)
 256     {
 257       event->autoremove_timeout_id = g_timeout_add_seconds (
 258           NOTIFICATION_TIMEOUT, (GSourceFunc) autoremove_event_timeout_cb,
 259           event);
 260     }
 261 }
 262
 263 static void
 264 handle_with_cb (GObject *source,
 265     GAsyncResult *result,
 266     gpointer user_data)
 267 {
 268   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 269   GError *error = NULL;
 270
 271   if (!tp_channel_dispatch_operation_handle_with_finish (cdo, result, &error))
 272     {
 273       DEBUG ("HandleWith failed: %s\n", error->message);
 274       g_error_free (error);
 275     }
 276 }
 277
 278 static void
 279 handle_with_time_cb (GObject *source,
 280     GAsyncResult *result,
 281     gpointer user_data)
 282 {
 283   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 284   GError *error = NULL;
 285
 286   if (!tp_channel_dispatch_operation_handle_with_time_finish (cdo, result,
 287         &error))
 288     {
 289       if (g_error_matches (error, TP_ERRORS, TP_ERROR_NOT_IMPLEMENTED))
 290         {
 291           EventManagerApproval *approval = user_data;
 292
 293           DEBUG ("HandleWithTime() is not implemented, falling back to "
 294               "HandleWith(). Please upgrade to telepathy-mission-control "
 295               "5.5.0 or later");
 296
 297           tp_channel_dispatch_operation_handle_with_async (approval->operation,
 298               NULL, handle_with_cb, approval);
 299         }
 300       else
 301         {
 302           DEBUG ("HandleWithTime failed: %s\n", error->message);
 303         }
 304       g_error_free (error);
 305     }
 306 }
 307
 308 static void
 309 event_manager_approval_approve (EventManagerApproval *approval)
 310 {
 311   gint64 timestamp;
 312
 313   if (approval->auto_approved)
 314     {
 315       timestamp = TP_USER_ACTION_TIME_NOT_USER_ACTION;
 316     }
 317   else
 318     {
 319       timestamp = tp_user_action_time_from_x11 (gtk_get_current_event_time ());
 320     }
 321
 322   g_assert (approval->operation != NULL);
 323
 324   tp_channel_dispatch_operation_handle_with_time_async (approval->operation,
 325       NULL, timestamp, handle_with_time_cb, approval);
 326 }
 327
 328 static void
 329 event_channel_process_func (EventPriv *event)
 330 {
 331   event_manager_approval_approve (event->approval);
 332 }
 333
 334 static void
 335 event_text_channel_process_func (EventPriv *event)
 336 {
 337   EmpathyTpChat *tp_chat;
 338   gint64 timestamp;
 339
 340   timestamp = tp_user_action_time_from_x11 (gtk_get_current_event_time ());
 341
 342   if (event->approval->handler != 0)
 343     {
 344       tp_chat = EMPATHY_TP_CHAT (event->approval->handler_instance);
 345
 346       g_signal_handler_disconnect (tp_chat, event->approval->handler);
 347       event->approval->handler = 0;
 348     }
 349
 350   event_manager_approval_approve (event->approval);
 351 }
 352
 353 static EventPriv *
 354 event_lookup_by_approval (EmpathyEventManager *manager,
 355   EventManagerApproval *approval)
 356 {
 357   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 358   GSList *l;
 359   EventPriv *retval = NULL;
 360
 361   for (l = priv->events; l; l = l->next)
 362     {
 363       EventPriv *event = l->data;
 364
 365       if (event->approval == approval)
 366         {
 367           retval = event;
 368           break;
 369         }
 370     }
 371
 372   return retval;
 373 }
 374
 375 static void
 376 event_update (EmpathyEventManager *manager, EventPriv *event,
 377   const char *icon_name, const char *header, const char *msg)
 378 {
 379   g_free (event->public.icon_name);
 380   g_free (event->public.header);
 381   g_free (event->public.message);
 382
 383   event->public.icon_name = g_strdup (icon_name);
 384   event->public.header = g_strdup (header);
 385   event->public.message = g_strdup (msg);
 386
 387   g_signal_emit (manager, signals[EVENT_UPDATED], 0, event);
 388 }
 389
 390 static void
 391 reject_channel_claim_cb (GObject *source,
 392     GAsyncResult *result,
 393     gpointer user_data)
 394 {
 395   TpChannelDispatchOperation *cdo = TP_CHANNEL_DISPATCH_OPERATION (source);
 396   GError *error = NULL;
 397
 398   if (!tp_channel_dispatch_operation_claim_finish (cdo, result, &error))
 399     {
 400       DEBUG ("Failed to claim channel: %s", error->message);
 401
 402       g_error_free (error);
 403       goto out;
 404     }
 405
 406   if (EMPATHY_IS_TP_CALL (user_data))
 407     {
 408       empathy_tp_call_close (user_data);
 409     }
 410   else if (EMPATHY_IS_TP_CHAT (user_data))
 411     {
 412       empathy_tp_chat_leave (user_data);
 413     }
 414   else if (EMPATHY_IS_TP_FILE (user_data))
 415     {
 416       empathy_tp_file_close (user_data);
 417     }
 418
 419 out:
 420   g_object_unref (user_data);
 421 }
 422
 423 static void
 424 reject_approval (EventManagerApproval *approval)
 425 {
 426   /* We have to claim the channel before closing it */
 427   tp_channel_dispatch_operation_claim_async (approval->operation,
 428       reject_channel_claim_cb, g_object_ref (approval->handler_instance));
 429 }
 430
 431 static void
 432 event_manager_call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 433   gint response, gpointer user_data)
 434 {
 435   EventManagerApproval *approval = user_data;
 436
 437   gtk_widget_destroy (approval->dialog);
 438   approval->dialog = NULL;
 439
 440   if (response != GTK_RESPONSE_ACCEPT)
 441     {
 442       reject_approval (approval);
 443     }
 444   else
 445     {
 446       event_manager_approval_approve (approval);
 447     }
 448 }
 449
 450 static void
 451 event_channel_process_voip_func (EventPriv *event)
 452 {
 453   GtkWidget *dialog;
 454   GtkWidget *button;
 455   GtkWidget *image;
 456   EmpathyTpCall *call;
 457   gboolean video;
 458   gchar *title;
 459
 460   if (event->approval->dialog != NULL)
 461     {
 462       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 463       return;
 464     }
 465
 466   call = EMPATHY_TP_CALL (event->approval->handler_instance);
 467
 468   video = empathy_tp_call_has_initial_video (call);
 469
 470   dialog = gtk_message_dialog_new (NULL, 0,
 471       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
 472       video ? _("Incoming video call"): _("Incoming call"));
 473
 474   gtk_message_dialog_format_secondary_text (
 475     GTK_MESSAGE_DIALOG (dialog), video ?
 476       _("%s is video calling you. Do you want to answer?"):
 477       _("%s is calling you. Do you want to answer?"),
 478       empathy_contact_get_alias (event->approval->contact));
 479
 480   title = g_strdup_printf (_("Incoming call from %s"),
 481       empathy_contact_get_alias (event->approval->contact));
 482
 483   gtk_window_set_title (GTK_WINDOW (dialog), title);
 484   g_free (title);
 485
 486   /* Set image of the dialog */
 487   if (video)
 488     {
 489       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VIDEO_CALL,
 490           GTK_ICON_SIZE_DIALOG);
 491     }
 492   else
 493     {
 494       image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_VOIP,
 495           GTK_ICON_SIZE_DIALOG);
 496     }
 497
 498   gtk_message_dialog_set_image (GTK_MESSAGE_DIALOG (dialog), image);
 499   gtk_widget_show (image);
 500
 501   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 502       GTK_RESPONSE_OK);
 503
 504   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 505       _("_Reject"), GTK_RESPONSE_REJECT);
 506   image = gtk_image_new_from_icon_name ("call-stop",
 507     GTK_ICON_SIZE_BUTTON);
 508   gtk_button_set_image (GTK_BUTTON (button), image);
 509
 510   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 511       _("_Answer"), GTK_RESPONSE_ACCEPT);
 512
 513   image = gtk_image_new_from_icon_name ("call-start", GTK_ICON_SIZE_BUTTON);
 514   gtk_button_set_image (GTK_BUTTON (button), image);
 515
 516   g_signal_connect (dialog, "response",
 517       G_CALLBACK (event_manager_call_window_confirmation_dialog_response_cb),
 518       event->approval);
 519
 520   gtk_widget_show (dialog);
 521
 522   event->approval->dialog = dialog;
 523 }
 524
 525 static void
 526 event_manager_chat_message_received_cb (EmpathyTpChat *tp_chat,
 527   EmpathyMessage *message,
 528   EventManagerApproval *approval)
 529 {
 530   GtkWidget       *window = empathy_main_window_dup ();
 531   EmpathyContact  *sender;
 532   const gchar     *header;
 533   const gchar     *msg;
 534   TpChannel       *channel;
 535   EventPriv       *event;
 536   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 537
 538   /* try to update the event if it's referring to a chat which is already in the
 539    * queue. */
 540   event = event_lookup_by_approval (approval->manager, approval);
 541
 542   sender = empathy_message_get_sender (message);
 543   header = empathy_contact_get_alias (sender);
 544   msg = empathy_message_get_body (message);
 545
 546   channel = empathy_tp_chat_get_channel (tp_chat);
 547
 548   if (event != NULL)
 549     event_update (approval->manager, event, EMPATHY_IMAGE_NEW_MESSAGE, header,
 550         msg);
 551   else
 552     event_manager_add (approval->manager, sender, EMPATHY_EVENT_TYPE_CHAT,
 553         EMPATHY_IMAGE_NEW_MESSAGE, header, msg, approval,
 554         event_text_channel_process_func, NULL);
 555
 556   empathy_sound_manager_play (priv->sound_mgr, window,
 557       EMPATHY_SOUND_CONVERSATION_NEW);
 558
 559   g_object_unref (window);
 560 }
 561
 562 static void
 563 event_manager_approval_done (EventManagerApproval *approval)
 564 {
 565   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 566   GSList                  *l;
 567
 568   if (approval->operation != NULL)
 569     {
 570       GQuark channel_type;
 571
 572       channel_type = tp_channel_get_channel_type_id (approval->main_channel);
 573
 574       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 575         {
 576           priv->ringing--;
 577           if (priv->ringing == 0)
 578             empathy_sound_manager_stop (priv->sound_mgr,
 579                 EMPATHY_SOUND_PHONE_INCOMING);
 580         }
 581     }
 582
 583   priv->approvals = g_slist_remove (priv->approvals, approval);
 584
 585   for (l = priv->events; l; l = l->next)
 586     {
 587       EventPriv *event = l->data;
 588
 589       if (event->approval == approval)
 590         {
 591           event_remove (event);
 592           break;
 593         }
 594     }
 595
 596   event_manager_approval_free (approval);
 597 }
 598
 599 static void
 600 cdo_invalidated_cb (TpProxy *cdo,
 601     guint domain,
 602     gint code,
 603     gchar *message,
 604     EventManagerApproval *approval)
 605 {
 606   DEBUG ("ChannelDispatchOperation has been invalidated: %s", message);
 607
 608   event_manager_approval_done (approval);
 609 }
 610
 611 static void
 612 event_manager_media_channel_got_contact (EventManagerApproval *approval)
 613 {
 614   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 615   GtkWidget *window = empathy_main_window_dup ();
 616   gchar *header;
 617   EmpathyTpCall *call;
 618   gboolean video;
 619
 620   call = EMPATHY_TP_CALL (approval->handler_instance);
 621
 622   video = empathy_tp_call_has_initial_video (call);
 623
 624   header = g_strdup_printf (
 625     video ? _("Incoming video call from %s") :_("Incoming call from %s"),
 626     empathy_contact_get_alias (approval->contact));
 627
 628   event_manager_add (approval->manager, approval->contact,
 629       EMPATHY_EVENT_TYPE_VOIP,
 630       video ? EMPATHY_IMAGE_VIDEO_CALL : EMPATHY_IMAGE_VOIP,
 631       header, NULL, approval,
 632       event_channel_process_voip_func, NULL);
 633
 634   g_free (header);
 635
 636   priv->ringing++;
 637   if (priv->ringing == 1)
 638     empathy_sound_manager_start_playing (priv->sound_mgr, window,
 639         EMPATHY_SOUND_PHONE_INCOMING, MS_BETWEEN_RING);
 640
 641   g_object_unref (window);
 642 }
 643
 644 static void
 645 event_manager_media_channel_contact_changed_cb (EmpathyTpCall *call,
 646   GParamSpec *param, EventManagerApproval *approval)
 647 {
 648   EmpathyContact *contact;
 649
 650   g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 651
 652   if (contact == NULL)
 653     return;
 654
 655   approval->contact = contact;
 656   event_manager_media_channel_got_contact (approval);
 657 }
 658
 659 static void
 660 invite_dialog_response_cb (GtkDialog *dialog,
 661                            gint response,
 662                            EventManagerApproval *approval)
 663 {
 664   EmpathyTpChat *tp_chat;
 665
 666   gtk_widget_destroy (GTK_WIDGET (approval->dialog));
 667   approval->dialog = NULL;
 668
 669   tp_chat = EMPATHY_TP_CHAT (approval->handler_instance);
 670
 671   if (response != GTK_RESPONSE_OK)
 672     {
 673       /* close channel */
 674       DEBUG ("Muc invitation rejected");
 675
 676       reject_approval (approval);
 677
 678       return;
 679     }
 680
 681   DEBUG ("Muc invitation accepted");
 682
 683   /* We'll join the room when handling the channel */
 684   event_manager_approval_approve (approval);
 685 }
 686
 687 static void
 688 event_room_channel_process_func (EventPriv *event)
 689 {
 690   GtkWidget *dialog, *button, *image;
 691   TpChannel *channel = event->approval->main_channel;
 692   gchar *title;
 693
 694   if (event->approval->dialog != NULL)
 695     {
 696       gtk_window_present (GTK_WINDOW (event->approval->dialog));
 697       return;
 698     }
 699
 700   /* create dialog */
 701   dialog = gtk_message_dialog_new (NULL, 0,
 702       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Room invitation"));
 703
 704   title = g_strdup_printf (_("Invitation to join %s"),
 705       tp_channel_get_identifier (channel));
 706
 707   gtk_window_set_title (GTK_WINDOW (dialog), title);
 708   g_free (title);
 709
 710   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 711       _("%s is inviting you to join %s"),
 712       empathy_contact_get_alias (event->approval->contact),
 713       tp_channel_get_identifier (channel));
 714
 715   gtk_dialog_set_default_response (GTK_DIALOG (dialog),
 716       GTK_RESPONSE_OK);
 717
 718   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 719       _("_Decline"), GTK_RESPONSE_CANCEL);
 720   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 721   gtk_button_set_image (GTK_BUTTON (button), image);
 722
 723   button = gtk_dialog_add_button (GTK_DIALOG (dialog),
 724       _("_Join"), GTK_RESPONSE_OK);
 725   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 726   gtk_button_set_image (GTK_BUTTON (button), image);
 727
 728   g_signal_connect (dialog, "response",
 729       G_CALLBACK (invite_dialog_response_cb), event->approval);
 730
 731   gtk_widget_show (dialog);
 732
 733   event->approval->dialog = dialog;
 734 }
 735
 736 static void
 737 display_invite_room_dialog (EventManagerApproval *approval)
 738 {
 739   GtkWidget *window = empathy_main_window_dup ();
 740   const gchar *invite_msg;
 741   gchar *msg;
 742   TpHandle self_handle;
 743   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 744
 745   self_handle = tp_channel_group_get_self_handle (approval->main_channel);
 746   tp_channel_group_get_local_pending_info (approval->main_channel, self_handle,
 747       NULL, NULL, &invite_msg);
 748
 749   if (approval->contact != NULL)
 750     {
 751       msg = g_strdup_printf (_("%s invited you to join %s"),
 752           empathy_contact_get_alias (approval->contact),
 753           tp_channel_get_identifier (approval->main_channel));
 754     }
 755   else
 756     {
 757       msg = g_strdup_printf (_("You have been invited to join %s"),
 758           tp_channel_get_identifier (approval->main_channel));
 759     }
 760
 761   event_manager_add (approval->manager, approval->contact,
 762       EMPATHY_EVENT_TYPE_INVITATION, EMPATHY_IMAGE_GROUP_MESSAGE, msg,
 763       invite_msg, approval, event_room_channel_process_func, NULL);
 764
 765   empathy_sound_manager_play (priv->sound_mgr, window,
 766       EMPATHY_SOUND_CONVERSATION_NEW);
 767
 768   g_free (msg);
 769   g_object_unref (window);
 770 }
 771
 772 static void
 773 event_manager_muc_invite_got_contact_cb (TpConnection *connection,
 774                                          EmpathyContact *contact,
 775                                          const GError *error,
 776                                          gpointer user_data,
 777                                          GObject *object)
 778 {
 779   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 780
 781   if (error != NULL)
 782     {
 783       DEBUG ("Error: %s", error->message);
 784     }
 785   else
 786     {
 787       approval->contact = g_object_ref (contact);
 788     }
 789
 790   display_invite_room_dialog (approval);
 791 }
 792
 793 static void
 794 event_manager_ft_got_contact_cb (TpConnection *connection,
 795                                  EmpathyContact *contact,
 796                                  const GError *error,
 797                                  gpointer user_data,
 798                                  GObject *object)
 799 {
 800   EventManagerApproval *approval = (EventManagerApproval *) user_data;
 801   GtkWidget *window = empathy_main_window_dup ();
 802   char *header;
 803   EmpathyEventManagerPriv *priv = GET_PRIV (approval->manager);
 804
 805   approval->contact = g_object_ref (contact);
 806
 807   header = g_strdup_printf (_("Incoming file transfer from %s"),
 808                             empathy_contact_get_alias (approval->contact));
 809
 810   event_manager_add (approval->manager, approval->contact,
 811       EMPATHY_EVENT_TYPE_TRANSFER, EMPATHY_IMAGE_DOCUMENT_SEND, header, NULL,
 812       approval, event_channel_process_func, NULL);
 813
 814   /* FIXME better sound for incoming file transfers ?*/
 815   empathy_sound_manager_play (priv->sound_mgr, window,
 816       EMPATHY_SOUND_CONVERSATION_NEW);
 817
 818   g_free (header);
 819   g_object_unref (window);
 820 }
 821
 822 /* If there is a file-transfer or media channel consider it as the
 823  * main one. */
 824 static TpChannel *
 825 find_main_channel (GList *channels)
 826 {
 827   GList *l;
 828   TpChannel *text = NULL;
 829
 830   for (l = channels; l != NULL; l = g_list_next (l))
 831     {
 832       TpChannel *channel = l->data;
 833       GQuark channel_type;
 834
 835       if (tp_proxy_get_invalidated (channel) != NULL)
 836         continue;
 837
 838       channel_type = tp_channel_get_channel_type_id (channel);
 839
 840       if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA ||
 841           channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 842         return channel;
 843
 844       else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 845         text = channel;
 846     }
 847
 848   return text;
 849 }
 850
 851 static void
 852 approve_channels (TpSimpleApprover *approver,
 853     TpAccount *account,
 854     TpConnection *connection,
 855     GList *channels,
 856     TpChannelDispatchOperation *dispatch_operation,
 857     TpAddDispatchOperationContext *context,
 858     gpointer user_data)
 859 {
 860   EmpathyEventManager *self = user_data;
 861   EmpathyEventManagerPriv *priv = GET_PRIV (self);
 862   TpChannel *channel;
 863   EventManagerApproval *approval;
 864   GQuark channel_type;
 865
 866   channel = find_main_channel (channels);
 867   if (channel == NULL)
 868     {
 869       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 870           "Unknown channel type" };
 871
 872       DEBUG ("Failed to find the main channel; ignoring");
 873
 874       tp_add_dispatch_operation_context_fail (context, &error);
 875       return;
 876     }
 877
 878   approval = event_manager_approval_new (self, dispatch_operation, channel);
 879   priv->approvals = g_slist_prepend (priv->approvals, approval);
 880
 881   approval->invalidated_handler = g_signal_connect (dispatch_operation,
 882       "invalidated", G_CALLBACK (cdo_invalidated_cb), approval);
 883
 884   channel_type = tp_channel_get_channel_type_id (channel);
 885
 886   if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_TEXT)
 887     {
 888       EmpathyTpChat *tp_chat;
 889
 890       tp_chat = empathy_tp_chat_new (account, channel);
 891       approval->handler_instance = G_OBJECT (tp_chat);
 892
 893       if (tp_proxy_has_interface (channel, TP_IFACE_CHANNEL_INTERFACE_GROUP))
 894         {
 895           /* Are we in local-pending ? */
 896           TpHandle inviter;
 897
 898           if (empathy_tp_chat_is_invited (tp_chat, &inviter))
 899             {
 900               /* We are invited to a room */
 901               DEBUG ("Have been invited to %s. Ask user if he wants to accept",
 902                   tp_channel_get_identifier (channel));
 903
 904               if (inviter != 0)
 905                 {
 906                   empathy_tp_contact_factory_get_from_handle (connection,
 907                       inviter, event_manager_muc_invite_got_contact_cb,
 908                       approval, NULL, G_OBJECT (self));
 909                 }
 910               else
 911                 {
 912                   display_invite_room_dialog (approval);
 913                 }
 914
 915               goto out;
 916             }
 917
 918           /* We are not invited, approve the channel right now */
 919           tp_add_dispatch_operation_context_accept (context);
 920
 921           approval->auto_approved = TRUE;
 922           event_manager_approval_approve (approval);
 923           return;
 924         }
 925
 926       /* 1-1 text channel, wait for the first message */
 927       approval->handler = g_signal_connect (tp_chat, "message-received",
 928         G_CALLBACK (event_manager_chat_message_received_cb), approval);
 929     }
 930   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_STREAMED_MEDIA)
 931     {
 932       EmpathyContact *contact;
 933       EmpathyTpCall *call = empathy_tp_call_new (account, channel);
 934
 935       approval->handler_instance = G_OBJECT (call);
 936
 937       g_object_get (G_OBJECT (call), "contact", &contact, NULL);
 938
 939       if (contact == NULL)
 940         {
 941           g_signal_connect (call, "notify::contact",
 942             G_CALLBACK (event_manager_media_channel_contact_changed_cb),
 943             approval);
 944         }
 945       else
 946         {
 947           approval->contact = contact;
 948           event_manager_media_channel_got_contact (approval);
 949         }
 950
 951     }
 952   else if (channel_type == TP_IFACE_QUARK_CHANNEL_TYPE_FILE_TRANSFER)
 953     {
 954       TpHandle handle;
 955       EmpathyTpFile *tp_file = empathy_tp_file_new (channel);
 956
 957       approval->handler_instance = G_OBJECT (tp_file);
 958
 959       handle = tp_channel_get_handle (channel, NULL);
 960
 961       connection = tp_channel_borrow_connection (channel);
 962       empathy_tp_contact_factory_get_from_handle (connection, handle,
 963         event_manager_ft_got_contact_cb, approval, NULL, G_OBJECT (self));
 964     }
 965   else
 966     {
 967       GError error = { TP_ERRORS, TP_ERROR_INVALID_ARGUMENT,
 968           "Invalid channel type" };
 969
 970       DEBUG ("Unknown channel type (%s), ignoring..",
 971           g_quark_to_string (channel_type));
 972
 973       tp_add_dispatch_operation_context_fail (context, &error);
 974       return;
 975     }
 976
 977 out:
 978   tp_add_dispatch_operation_context_accept (context);
 979 }
 980
 981 static void
 982 event_pending_subscribe_func (EventPriv *event)
 983 {
 984   empathy_subscription_dialog_show (event->public.contact, event->public.header,
 985       NULL);
 986   event_remove (event);
 987 }
 988
 989 static void
 990 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 991   EmpathyContact *contact, EmpathyContact *actor,
 992   guint reason, gchar *message, gboolean is_pending,
 993   EmpathyEventManager *manager)
 994 {
 995   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 996   gchar                   *header, *event_msg;
 997
 998   if (!is_pending)
 999     {
1000       GSList *l;
1001
1002       for (l = priv->events; l; l = l->next)
1003         {
1004           EventPriv *event = l->data;
1005
1006           if (event->public.contact == contact &&
1007               event->func == event_pending_subscribe_func)
1008             {
1009               event_remove (event);
1010               break;
1011             }
1012         }
1013
1014       return;
1015     }
1016
1017   header = g_strdup_printf (
1018       _("%s would like permission to see when you are available"),
1019       empathy_contact_get_alias (contact));
1020
1021   if (!EMP_STR_EMPTY (message))
1022     event_msg = g_strdup_printf (_("\nMessage: %s"), message);
1023   else
1024     event_msg = NULL;
1025
1026   event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_SUBSCRIPTION,
1027       GTK_STOCK_DIALOG_QUESTION, header, event_msg, NULL,
1028       event_pending_subscribe_func, NULL);
1029
1030   g_free (event_msg);
1031   g_free (header);
1032 }
1033
1034 static void
1035 event_manager_presence_changed_cb (EmpathyContact *contact,
1036     TpConnectionPresenceType current,
1037     TpConnectionPresenceType previous,
1038     EmpathyEventManager *manager)
1039 {
1040   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1041   TpAccount *account;
1042   gchar *header = NULL;
1043   EmpathyIdle *idle;
1044   GtkWidget *window = empathy_main_window_dup ();
1045
1046   account = empathy_contact_get_account (contact);
1047   idle = empathy_idle_dup_singleton ();
1048
1049   if (empathy_idle_account_is_just_connected (idle, account))
1050     goto out;
1051
1052   if (tp_connection_presence_type_cmp_availability (previous,
1053         TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1054     {
1055       /* contact was online */
1056       if (tp_connection_presence_type_cmp_availability (current,
1057           TP_CONNECTION_PRESENCE_TYPE_OFFLINE) <= 0)
1058         {
1059           /* someone is logging off */
1060           empathy_sound_manager_play (priv->sound_mgr, window,
1061               EMPATHY_SOUND_CONTACT_DISCONNECTED);
1062
1063           if (g_settings_get_boolean (priv->gsettings_notif,
1064                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNOUT))
1065             {
1066               header = g_strdup_printf (_("%s is now offline."),
1067                   empathy_contact_get_alias (contact));
1068
1069               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
1070                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
1071             }
1072         }
1073     }
1074   else
1075     {
1076       /* contact was offline */
1077       if (tp_connection_presence_type_cmp_availability (current,
1078             TP_CONNECTION_PRESENCE_TYPE_OFFLINE) > 0)
1079         {
1080           /* someone is logging in */
1081           empathy_sound_manager_play (priv->sound_mgr, window,
1082               EMPATHY_SOUND_CONTACT_CONNECTED);
1083
1084           if (g_settings_get_boolean (priv->gsettings_notif,
1085                 EMPATHY_PREFS_NOTIFICATIONS_CONTACT_SIGNIN))
1086             {
1087               header = g_strdup_printf (_("%s is now online."),
1088                   empathy_contact_get_alias (contact));
1089
1090               event_manager_add (manager, contact, EMPATHY_EVENT_TYPE_PRESENCE,
1091                   EMPATHY_IMAGE_AVATAR_DEFAULT, header, NULL, NULL, NULL, NULL);
1092             }
1093         }
1094     }
1095   g_free (header);
1096
1097 out:
1098   g_object_unref (idle);
1099   g_object_unref (window);
1100 }
1101
1102 static void
1103 event_manager_members_changed_cb (EmpathyContactList  *list,
1104     EmpathyContact *contact,
1105     EmpathyContact *actor,
1106     guint reason,
1107     gchar *message,
1108     gboolean is_member,
1109     EmpathyEventManager *manager)
1110 {
1111   if (is_member)
1112     g_signal_connect (contact, "presence-changed",
1113         G_CALLBACK (event_manager_presence_changed_cb), manager);
1114   else
1115     g_signal_handlers_disconnect_by_func (contact,
1116         event_manager_presence_changed_cb, manager);
1117 }
1118
1119 static GObject *
1120 event_manager_constructor (GType type,
1121                            guint n_props,
1122                            GObjectConstructParam *props)
1123 {
1124         GObject *retval;
1125
1126         if (manager_singleton) {
1127                 retval = g_object_ref (manager_singleton);
1128         } else {
1129                 retval = G_OBJECT_CLASS (empathy_event_manager_parent_class)->constructor
1130                         (type, n_props, props);
1131
1132                 manager_singleton = EMPATHY_EVENT_MANAGER (retval);
1133                 g_object_add_weak_pointer (retval, (gpointer) &manager_singleton);
1134         }
1135
1136         return retval;
1137 }
1138
1139 static void
1140 event_manager_finalize (GObject *object)
1141 {
1142   EmpathyEventManagerPriv *priv = GET_PRIV (object);
1143
1144   if (priv->ringing > 0)
1145     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_INCOMING);
1146
1147   g_slist_foreach (priv->events, (GFunc) event_free, NULL);
1148   g_slist_free (priv->events);
1149   g_slist_foreach (priv->approvals, (GFunc) event_manager_approval_free, NULL);
1150   g_slist_free (priv->approvals);
1151   g_object_unref (priv->contact_manager);
1152   g_object_unref (priv->approver);
1153   g_object_unref (priv->gsettings_notif);
1154   g_object_unref (priv->gsettings_ui);
1155   g_object_unref (priv->sound_mgr);
1156 }
1157
1158 static void
1159 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
1160 {
1161   GObjectClass *object_class = G_OBJECT_CLASS (klass);
1162
1163   object_class->finalize = event_manager_finalize;
1164   object_class->constructor = event_manager_constructor;
1165
1166   signals[EVENT_ADDED] =
1167     g_signal_new ("event-added",
1168       G_TYPE_FROM_CLASS (klass),
1169       G_SIGNAL_RUN_LAST,
1170       0,
1171       NULL, NULL,
1172       g_cclosure_marshal_VOID__POINTER,
1173       G_TYPE_NONE,
1174       1, G_TYPE_POINTER);
1175
1176   signals[EVENT_REMOVED] =
1177   g_signal_new ("event-removed",
1178       G_TYPE_FROM_CLASS (klass),
1179       G_SIGNAL_RUN_LAST,
1180       0,
1181       NULL, NULL,
1182       g_cclosure_marshal_VOID__POINTER,
1183       G_TYPE_NONE, 1, G_TYPE_POINTER);
1184
1185   signals[EVENT_UPDATED] =
1186   g_signal_new ("event-updated",
1187       G_TYPE_FROM_CLASS (klass),
1188       G_SIGNAL_RUN_LAST,
1189       0,
1190       NULL, NULL,
1191       g_cclosure_marshal_VOID__POINTER,
1192       G_TYPE_NONE, 1, G_TYPE_POINTER);
1193
1194
1195   g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
1196 }
1197
1198 static void
1199 empathy_event_manager_init (EmpathyEventManager *manager)
1200 {
1201   EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
1202     EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
1203   TpDBusDaemon *dbus;
1204   GError *error = NULL;
1205
1206   manager->priv = priv;
1207
1208   priv->gsettings_notif = g_settings_new (EMPATHY_PREFS_NOTIFICATIONS_SCHEMA);
1209   priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA);
1210
1211   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1212
1213   priv->contact_manager = empathy_contact_manager_dup_singleton ();
1214   g_signal_connect (priv->contact_manager, "pendings-changed",
1215     G_CALLBACK (event_manager_pendings_changed_cb), manager);
1216
1217   g_signal_connect (priv->contact_manager, "members-changed",
1218     G_CALLBACK (event_manager_members_changed_cb), manager);
1219
1220   dbus = tp_dbus_daemon_dup (&error);
1221   if (dbus == NULL)
1222     {
1223       DEBUG ("Failed to get TpDBusDaemon: %s", error->message);
1224       g_error_free (error);
1225       return;
1226     }
1227
1228   priv->approver = tp_simple_approver_new (dbus, "Empathy.EventManager", FALSE,
1229       approve_channels, manager, NULL);
1230
1231   /* EmpathyTpChat relies on this feature being prepared */
1232   tp_base_client_add_connection_features_varargs (priv->approver,
1233     TP_CONNECTION_FEATURE_CAPABILITIES, 0);
1234
1235   /* Private text channels */
1236   tp_base_client_take_approver_filter (priv->approver,
1237       tp_asv_new (
1238         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1239         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1240         NULL));
1241
1242   /* Muc text channels */
1243   tp_base_client_take_approver_filter (priv->approver,
1244       tp_asv_new (
1245         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING, TP_IFACE_CHANNEL_TYPE_TEXT,
1246         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_ROOM,
1247         NULL));
1248
1249   /* File transfer */
1250   tp_base_client_take_approver_filter (priv->approver,
1251       tp_asv_new (
1252         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1253           TP_IFACE_CHANNEL_TYPE_FILE_TRANSFER,
1254         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1255         NULL));
1256
1257   /* Calls */
1258   tp_base_client_take_approver_filter (priv->approver,
1259       tp_asv_new (
1260         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
1261           TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
1262         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
1263         NULL));
1264
1265   if (!tp_base_client_register (priv->approver, &error))
1266     {
1267       DEBUG ("Failed to register Approver: %s", error->message);
1268       g_error_free (error);
1269     }
1270
1271   g_object_unref (dbus);
1272 }
1273
1274 EmpathyEventManager *
1275 empathy_event_manager_dup_singleton (void)
1276 {
1277   return g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
1278 }
1279
1280 GSList *
1281 empathy_event_manager_get_events (EmpathyEventManager *manager)
1282 {
1283   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1284
1285   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1286
1287   return priv->events;
1288 }
1289
1290 EmpathyEvent *
1291 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
1292 {
1293   EmpathyEventManagerPriv *priv = GET_PRIV (manager);
1294
1295   g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
1296
1297   return priv->events ? priv->events->data : NULL;
1298 }
1299
1300 void
1301 empathy_event_activate (EmpathyEvent *event_public)
1302 {
1303   EventPriv *event = (EventPriv *) event_public;
1304
1305   g_return_if_fail (event_public != NULL);
1306
1307   if (event->func)
1308     event->func (event);
1309   else
1310     event_remove (event);
1311 }
1312
1313 void
1314 empathy_event_inhibit_updates (EmpathyEvent *event_public)
1315 {
1316   EventPriv *event = (EventPriv *) event_public;
1317
1318   g_return_if_fail (event_public != NULL);
1319
1320   event->inhibit = TRUE;
1321 }
1322
1323 void
1324 empathy_event_approve (EmpathyEvent *event_public)
1325 {
1326   EventPriv *event = (EventPriv *) event_public;
1327
1328   g_return_if_fail (event_public != NULL);
1329
1330   event_manager_approval_approve (event->approval);
1331 }
1332
1333 void
1334 empathy_event_decline (EmpathyEvent *event_public)
1335 {
1336   EventPriv *event = (EventPriv *) event_public;
1337
1338   g_return_if_fail (event_public != NULL);
1339
1340   reject_approval (event->approval);
1341 }