src/empathy-event-manager.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007-2008 Collabora Ltd.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  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-manager.h>
  31 #include <libempathy/empathy-tp-chat.h>
  32 #include <libempathy/empathy-tp-group.h>
  33 #include <libempathy/empathy-utils.h>
  34 #include <libempathy/empathy-tp-file.h>
  35
  36 #include <libempathy-gtk/empathy-ft-manager.h>
  37 #include <libempathy-gtk/empathy-images.h>
  38 #include <libempathy-gtk/empathy-contact-dialogs.h>
  39
  40 #include "empathy-event-manager.h"
  41
  42 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  43 #include <libempathy/empathy-debug.h>
  44
  45 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyEventManager)
  46 typedef struct {
  47         EmpathyDispatcher     *dispatcher;
  48         EmpathyContactManager *contact_manager;
  49         GSList                *events;
  50 } EmpathyEventManagerPriv;
  51
  52 typedef struct _EventPriv EventPriv;
  53 typedef void (*EventFunc) (EventPriv *event);
  54
  55 struct _EventPriv {
  56         EmpathyEvent         public;
  57         TpChannel           *channel;
  58         EmpathyEventManager *manager;
  59         EventFunc            func;
  60         gpointer             user_data;
  61 };
  62
  63 enum {
  64         EVENT_ADDED,
  65         EVENT_REMOVED,
  66         LAST_SIGNAL
  67 };
  68
  69 static guint signals[LAST_SIGNAL];
  70
  71 G_DEFINE_TYPE (EmpathyEventManager, empathy_event_manager, G_TYPE_OBJECT);
  72
  73 static void event_remove (EventPriv *event);
  74
  75 static void
  76 event_free (EventPriv *event)
  77 {
  78         g_free (event->public.icon_name);
  79         g_free (event->public.message);
  80
  81         if (event->public.contact) {
  82                 g_object_unref (event->public.contact);
  83         }
  84
  85         if (event->channel) {
  86                 g_signal_handlers_disconnect_by_func (event->channel,
  87                                                       event_remove,
  88                                                       event);
  89                 g_object_unref (event->channel);
  90         }
  91         g_slice_free (EventPriv, event);
  92 }
  93
  94 static void
  95 event_remove (EventPriv *event)
  96 {
  97         EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
  98
  99         DEBUG ("Removing event %p", event);
 100         priv->events = g_slist_remove (priv->events, event);
 101         g_signal_emit (event->manager, signals[EVENT_REMOVED], 0, event);
 102         event_free (event);
 103 }
 104
 105 static void
 106 event_manager_add (EmpathyEventManager *manager,
 107                    EmpathyContact      *contact,
 108                    const gchar         *icon_name,
 109                    const gchar         *message,
 110                    TpChannel           *channel,
 111                    EventFunc            func,
 112                    gpointer             user_data)
 113 {
 114         EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 115         EventPriv               *event;
 116
 117         event = g_slice_new0 (EventPriv);
 118         event->public.contact = contact ? g_object_ref (contact) : NULL;
 119         event->public.icon_name = g_strdup (icon_name);
 120         event->public.message = g_strdup (message);
 121         event->manager = manager;
 122         event->func = func;
 123         event->user_data = user_data;
 124
 125         if (channel) {
 126                 event->channel = g_object_ref (channel);
 127                 g_signal_connect_swapped (channel, "invalidated",
 128                                           G_CALLBACK (event_remove),
 129                                           event);
 130         }
 131
 132         DEBUG ("Adding event %p", event);
 133         priv->events = g_slist_prepend (priv->events, event);
 134         g_signal_emit (event->manager, signals[EVENT_ADDED], 0, event);
 135 }
 136
 137 static void
 138 event_channel_process_func (EventPriv *event)
 139 {
 140         EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 141
 142         /* This will emit "dispatch-channel" and the event will be removed
 143          * in the callback of that signal, no need to remove the event here. */
 144         empathy_dispatcher_channel_process (priv->dispatcher, event->channel);
 145 }
 146
 147 static gboolean
 148 event_manager_chat_unref_idle (gpointer user_data)
 149 {
 150         g_object_unref (user_data);
 151         return FALSE;
 152 }
 153
 154 static void
 155 event_manager_chat_message_received_cb (EmpathyTpChat       *tp_chat,
 156                                         EmpathyMessage      *message,
 157                                         EmpathyEventManager *manager)
 158 {
 159         EmpathyContact  *sender;
 160         gchar           *msg;
 161         TpChannel       *channel;
 162
 163         g_idle_add (event_manager_chat_unref_idle, tp_chat);
 164         g_signal_handlers_disconnect_by_func (tp_chat,
 165                                               event_manager_chat_message_received_cb,
 166                                               manager);
 167
 168         sender = empathy_message_get_sender (message);
 169         msg = g_strdup_printf (_("New message from %s:\n%s"),
 170                                empathy_contact_get_name (sender),
 171                                empathy_message_get_body (message));
 172
 173         channel = empathy_tp_chat_get_channel (tp_chat);
 174         event_manager_add (manager, sender, EMPATHY_IMAGE_NEW_MESSAGE, msg,
 175                            channel, event_channel_process_func, NULL);
 176
 177         g_free (msg);
 178 }
 179
 180 static void
 181 event_channel_file_process_func (EventPriv *event)
 182 {
 183         EmpathyFTManager *manager;
 184         EmpathyTpFile    *tp_file = (EmpathyTpFile *) event->user_data;
 185
 186         manager = empathy_ft_manager_get_default ();
 187         empathy_ft_manager_add_tp_file (manager, tp_file);
 188         event_remove (event);
 189 }
 190
 191 static void
 192 event_manager_filter_channel_cb (EmpathyDispatcher   *dispatcher,
 193                                  TpChannel           *channel,
 194                                  EmpathyEventManager *manager)
 195 {
 196         gchar *channel_type;
 197
 198         g_object_get (channel, "channel-type", &channel_type, NULL);
 199         if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT)) {
 200                 EmpathyTpChat *tp_chat;
 201
 202                 tp_chat = empathy_tp_chat_new (channel);
 203                 g_signal_connect (tp_chat, "message-received",
 204                                   G_CALLBACK (event_manager_chat_message_received_cb),
 205                                   manager);
 206         }
 207         else if (!tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA)) {
 208                 EmpathyTpGroup *tp_group;
 209                 EmpathyContact *contact;
 210                 gchar          *msg;
 211
 212                 tp_group = empathy_tp_group_new (channel);
 213                 empathy_run_until_ready (tp_group);
 214                 empathy_tp_group_get_invitation (tp_group, &contact);
 215                 empathy_contact_run_until_ready (contact,
 216                                                  EMPATHY_CONTACT_READY_NAME,
 217                                                  NULL);
 218
 219                 msg = g_strdup_printf (_("Incoming call from %s"),
 220                                        empathy_contact_get_name (contact));
 221
 222                 event_manager_add (manager, contact, EMPATHY_IMAGE_VOIP, msg,
 223                                    channel, event_channel_process_func, NULL);
 224
 225                 g_free (msg);
 226                 g_object_unref (contact);
 227                 g_object_unref (tp_group);
 228         }
 229         else if (!tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE)) {
 230                 GValue *direction;
 231
 232                 tp_cli_dbus_properties_run_get (channel,
 233                                                 -1,
 234                                                 EMP_IFACE_CHANNEL_TYPE_FILE,
 235                                                 "Direction",
 236                                                 &direction,
 237                                                 NULL,
 238                                                 NULL);
 239
 240                 /* Only deal with incoming channels */
 241                 if (g_value_get_uint (direction) ==
 242                     EMP_FILE_TRANSFER_DIRECTION_INCOMING) {
 243                         EmpathyContact *contact;
 244                         gchar          *msg;
 245                         McAccount      *account;
 246                         EmpathyTpFile  *tp_file;
 247
 248                         account = empathy_channel_get_account (channel);
 249                         tp_file = empathy_tp_file_new (account, channel);
 250
 251                         contact = empathy_tp_file_get_contact (tp_file);
 252
 253                         msg = g_strdup_printf (_("Incoming file transfer from %s"),
 254                                                empathy_contact_get_name (contact));
 255
 256                         event_manager_add (manager, contact,
 257                                            EMPATHY_IMAGE_DOCUMENT_SEND,
 258                                            msg,
 259                                            channel,
 260                                            event_channel_file_process_func,
 261                                            tp_file);
 262
 263                         g_free (msg);
 264                 }
 265
 266                 g_value_unset (direction);
 267         }
 268
 269         g_free (channel_type);
 270 }
 271
 272 static void
 273 event_manager_dispatch_channel_cb (EmpathyDispatcher   *dispatcher,
 274                                    TpChannel           *channel,
 275                                    EmpathyEventManager *manager)
 276 {
 277         EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 278         GSList                  *l;
 279
 280         for (l = priv->events; l; l = l->next) {
 281                 EventPriv *event = l->data;
 282
 283                 if (event->channel &&
 284                     empathy_proxy_equal (channel, event->channel)) {
 285                         event_remove (event);
 286                         break;
 287                 }
 288         }
 289 }
 290
 291 #define TUBE_NO_APP_MESSAGE _("%s is offering you an invitation, but " \
 292                               "you don't have the needed external " \
 293                               "application to handle it.")
 294
 295 static void
 296 event_tube_process_func (EventPriv *event)
 297 {
 298         EmpathyEventManagerPriv *priv = GET_PRIV (event->manager);
 299         EmpathyDispatcherTube   *tube = (EmpathyDispatcherTube*) event->user_data;
 300
 301         if (tube->activatable) {
 302                 empathy_dispatcher_tube_process (priv->dispatcher, tube);
 303         } else {
 304                 GtkWidget *dialog;
 305                 gchar     *str;
 306
 307                 /* Tell the user that the tube can't be handled */
 308                 str = g_strdup_printf (TUBE_NO_APP_MESSAGE,
 309                                        empathy_contact_get_name (tube->initiator));
 310
 311                 dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
 312                                                  GTK_MESSAGE_ERROR,
 313                                                  GTK_BUTTONS_OK,
 314                                                  "%s", str);
 315                 gtk_window_set_title (GTK_WINDOW (dialog),
 316                                       _("Invitation Error"));
 317                 g_free (str);
 318
 319                 gtk_widget_show (dialog);
 320                 g_signal_connect (dialog, "response",
 321                                   G_CALLBACK (gtk_widget_destroy),
 322                                   NULL);
 323         }
 324
 325         empathy_dispatcher_tube_unref (tube);
 326         event_remove (event);
 327 }
 328
 329 static void
 330 event_manager_filter_tube_cb (EmpathyDispatcher     *dispatcher,
 331                               EmpathyDispatcherTube *tube,
 332                               EmpathyEventManager   *manager)
 333 {
 334         const gchar *icon_name;
 335         gchar       *msg;
 336
 337         empathy_contact_run_until_ready (tube->initiator,
 338                                          EMPATHY_CONTACT_READY_NAME, NULL);
 339
 340         if (tube->activatable) {
 341                 icon_name = GTK_STOCK_EXECUTE;
 342                 msg = g_strdup_printf (_("%s is offering you an invitation. An external "
 343                                          "application will be started to handle it."),
 344                                        empathy_contact_get_name (tube->initiator));
 345         } else {
 346                 icon_name = GTK_STOCK_DIALOG_ERROR;
 347                 msg = g_strdup_printf (TUBE_NO_APP_MESSAGE,
 348                                        empathy_contact_get_name (tube->initiator));
 349         }
 350
 351         event_manager_add (manager, tube->initiator, icon_name, msg,
 352                            tube->channel, event_tube_process_func,
 353                            empathy_dispatcher_tube_ref (tube));
 354
 355         g_free (msg);
 356 }
 357
 358 static void
 359 event_pending_subscribe_func (EventPriv *event)
 360 {
 361         empathy_subscription_dialog_show (event->public.contact, NULL);
 362         event_remove (event);
 363 }
 364
 365 static void
 366 event_manager_pendings_changed_cb (EmpathyContactList  *list,
 367                                    EmpathyContact      *contact,
 368                                    EmpathyContact      *actor,
 369                                    guint                reason,
 370                                    gchar               *message,
 371                                    gboolean             is_pending,
 372                                    EmpathyEventManager *manager)
 373 {
 374         EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 375         GString                 *str;
 376
 377         if (!is_pending) {
 378                 GSList *l;
 379
 380                 for (l = priv->events; l; l = l->next) {
 381                         EventPriv *event = l->data;
 382
 383                         if (event->public.contact == contact &&
 384                             event->func == event_pending_subscribe_func) {
 385                                 event_remove (event);
 386                                 break;
 387                         }
 388                 }
 389
 390                 return;
 391         }
 392
 393         empathy_contact_run_until_ready (contact,
 394                                          EMPATHY_CONTACT_READY_NAME,
 395                                          NULL);
 396
 397         str = g_string_new (NULL);
 398         g_string_printf (str, _("Subscription requested by %s"),
 399                          empathy_contact_get_name (contact));
 400         if (!G_STR_EMPTY (message)) {
 401                 g_string_append_printf (str, _("\nMessage: %s"), message);
 402         }
 403
 404         event_manager_add (manager, contact, GTK_STOCK_DIALOG_QUESTION, str->str,
 405                            NULL, event_pending_subscribe_func, NULL);
 406
 407         g_string_free (str, TRUE);
 408 }
 409
 410 static void
 411 event_manager_finalize (GObject *object)
 412 {
 413         EmpathyEventManagerPriv *priv = GET_PRIV (object);
 414
 415         g_slist_foreach (priv->events, (GFunc) event_free, NULL);
 416         g_slist_free (priv->events);
 417         g_object_unref (priv->contact_manager);
 418         g_object_unref (priv->dispatcher);
 419 }
 420
 421 static void
 422 empathy_event_manager_class_init (EmpathyEventManagerClass *klass)
 423 {
 424         GObjectClass *object_class = G_OBJECT_CLASS (klass);
 425
 426         object_class->finalize = event_manager_finalize;
 427
 428         signals[EVENT_ADDED] =
 429                 g_signal_new ("event-added",
 430                               G_TYPE_FROM_CLASS (klass),
 431                               G_SIGNAL_RUN_LAST,
 432                               0,
 433                               NULL, NULL,
 434                               g_cclosure_marshal_VOID__POINTER,
 435                               G_TYPE_NONE,
 436                               1, G_TYPE_POINTER);
 437
 438         signals[EVENT_REMOVED] =
 439                 g_signal_new ("event-removed",
 440                               G_TYPE_FROM_CLASS (klass),
 441                               G_SIGNAL_RUN_LAST,
 442                               0,
 443                               NULL, NULL,
 444                               g_cclosure_marshal_VOID__POINTER,
 445                               G_TYPE_NONE,
 446                               1, G_TYPE_POINTER);
 447
 448         g_type_class_add_private (object_class, sizeof (EmpathyEventManagerPriv));
 449 }
 450
 451 static void
 452 empathy_event_manager_init (EmpathyEventManager *manager)
 453 {
 454         EmpathyEventManagerPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (manager,
 455                 EMPATHY_TYPE_EVENT_MANAGER, EmpathyEventManagerPriv);
 456
 457         manager->priv = priv;
 458
 459         priv->dispatcher = empathy_dispatcher_new ();
 460         priv->contact_manager = empathy_contact_manager_new ();
 461         g_signal_connect (priv->dispatcher, "filter-channel",
 462                           G_CALLBACK (event_manager_filter_channel_cb),
 463                           manager);
 464         g_signal_connect (priv->dispatcher, "dispatch-channel",
 465                           G_CALLBACK (event_manager_dispatch_channel_cb),
 466                           manager);
 467         g_signal_connect (priv->dispatcher, "filter-tube",
 468                           G_CALLBACK (event_manager_filter_tube_cb),
 469                           manager);
 470         g_signal_connect (priv->contact_manager, "pendings-changed",
 471                           G_CALLBACK (event_manager_pendings_changed_cb),
 472                           manager);
 473 }
 474
 475 EmpathyEventManager *
 476 empathy_event_manager_new (void)
 477 {
 478         static EmpathyEventManager *manager = NULL;
 479
 480         if (!manager) {
 481                 manager = g_object_new (EMPATHY_TYPE_EVENT_MANAGER, NULL);
 482                 g_object_add_weak_pointer (G_OBJECT (manager), (gpointer) &manager);
 483         } else {
 484                 g_object_ref (manager);
 485         }
 486
 487         return manager;
 488 }
 489
 490 GSList *
 491 empathy_event_manager_get_events (EmpathyEventManager *manager)
 492 {
 493         EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 494
 495         g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 496
 497         return priv->events;
 498 }
 499
 500 EmpathyEvent *
 501 empathy_event_manager_get_top_event (EmpathyEventManager *manager)
 502 {
 503         EmpathyEventManagerPriv *priv = GET_PRIV (manager);
 504
 505         g_return_val_if_fail (EMPATHY_IS_EVENT_MANAGER (manager), NULL);
 506
 507         return priv->events ? priv->events->data : NULL;
 508 }
 509
 510 void
 511 empathy_event_activate (EmpathyEvent *event_public)
 512 {
 513         EventPriv *event = (EventPriv*) event_public;
 514
 515         g_return_if_fail (event_public != NULL);
 516
 517         if (event->func) {
 518                 event->func (event);
 519         } else {
 520                 event_remove (event);
 521         }
 522 }
 523