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