libempathy/empathy-dispatcher.c

   1 /* * Copyright (C) 2007-2008 Collabora Ltd.
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16  *
  17  * Authors: Xavier Claessens <xclaesse@gmail.com>
  18  */
  19
  20 #include <config.h>
  21
  22 #include <string.h>
  23
  24 #include <glib/gi18n-lib.h>
  25
  26 #include <telepathy-glib/enums.h>
  27 #include <telepathy-glib/connection.h>
  28 #include <telepathy-glib/util.h>
  29 #include <telepathy-glib/dbus.h>
  30 #include <telepathy-glib/proxy-subclass.h>
  31 #include <telepathy-glib/gtypes.h>
  32
  33 #include <libmissioncontrol/mission-control.h>
  34 #include <libmissioncontrol/mc-account.h>
  35
  36 #include <extensions/extensions.h>
  37
  38 #include "empathy-dispatcher.h"
  39 #include "empathy-utils.h"
  40 #include "empathy-tube-handler.h"
  41 #include "empathy-account-manager.h"
  42 #include "empathy-contact-factory.h"
  43 #include "empathy-tp-file.h"
  44 #include "empathy-chatroom-manager.h"
  45 #include "empathy-utils.h"
  46
  47 #define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
  48 #include <libempathy/empathy-debug.h>
  49
  50 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyDispatcher)
  51 typedef struct
  52 {
  53   EmpathyAccountManager *account_manager;
  54   MissionControl *mc;
  55   /* connection to connection data mapping */
  56   GHashTable *connections;
  57   /* accounts to connection mapping */
  58   GHashTable *accounts;
  59   gpointer token;
  60   GSList *tubes;
  61
  62   /* channels which the dispatcher is listening "invalidated" */
  63   GList *channels;
  64 } EmpathyDispatcherPriv;
  65
  66 G_DEFINE_TYPE (EmpathyDispatcher, empathy_dispatcher, G_TYPE_OBJECT);
  67
  68 enum
  69 {
  70   OBSERVE,
  71   APPROVE,
  72   DISPATCH,
  73   LAST_SIGNAL
  74 };
  75
  76 static guint signals[LAST_SIGNAL];
  77 static EmpathyDispatcher *dispatcher = NULL;
  78
  79 typedef struct
  80 {
  81   EmpathyDispatcher *dispatcher;
  82   EmpathyDispatchOperation *operation;
  83   TpConnection *connection;
  84   gchar *channel_type;
  85   guint handle_type;
  86   guint handle;
  87   EmpathyContact *contact;
  88
  89   /* Properties to pass to the channel when requesting it */
  90   GHashTable *request;
  91   EmpathyDispatcherRequestCb *cb;
  92   gpointer user_data;
  93   gpointer *request_data;
  94 } DispatcherRequestData;
  95
  96 typedef struct
  97 {
  98   TpChannel *channel;
  99   /* Channel type specific wrapper object */
 100   GObject *channel_wrapper;
 101 } DispatchData;
 102
 103 typedef struct
 104 {
 105   McAccount *account;
 106   /* ObjectPath => DispatchData.. */
 107   GHashTable *dispatched_channels;
 108   /* ObjectPath -> EmpathyDispatchOperations */
 109   GHashTable *dispatching_channels;
 110   /* ObjectPath -> EmpathyDispatchOperations */
 111   GHashTable *outstanding_channels;
 112   /* List of DispatcherRequestData */
 113   GList *outstanding_requests;
 114   /* List of requestable channel classes */
 115   GPtrArray *requestable_channels;
 116 } ConnectionData;
 117
 118 static DispatchData *
 119 new_dispatch_data (TpChannel *channel,
 120                    GObject *channel_wrapper)
 121 {
 122   DispatchData *d = g_slice_new0 (DispatchData);
 123   d->channel = g_object_ref (channel);
 124   d->channel_wrapper = g_object_ref (channel_wrapper);
 125
 126   return d;
 127 }
 128
 129 static void
 130 free_dispatch_data (DispatchData *data)
 131 {
 132   g_object_unref (data->channel);
 133   g_object_unref (data->channel_wrapper);
 134
 135   g_slice_free (DispatchData, data);
 136 }
 137
 138 static DispatcherRequestData *
 139 new_dispatcher_request_data (EmpathyDispatcher *dispatcher,
 140                              TpConnection *connection,
 141                              const gchar *channel_type,
 142                              guint handle_type,
 143                              guint handle,
 144                              GHashTable *request,
 145                              EmpathyContact *contact,
 146                              EmpathyDispatcherRequestCb *cb,
 147                              gpointer user_data)
 148 {
 149   DispatcherRequestData *result = g_slice_new0 (DispatcherRequestData);
 150
 151   result->dispatcher = g_object_ref (dispatcher);
 152   result->connection = connection;
 153
 154   result->channel_type = g_strdup (channel_type);
 155   result->handle_type = handle_type;
 156   result->handle = handle;
 157   result->request = request;
 158
 159   if (contact != NULL)
 160     result->contact = g_object_ref (contact);
 161
 162   result->cb = cb;
 163   result->user_data = user_data;
 164
 165   return result;
 166 }
 167
 168 static void
 169 free_dispatcher_request_data (DispatcherRequestData *r)
 170 {
 171   g_free (r->channel_type);
 172
 173   if (r->dispatcher != NULL)
 174     g_object_unref (r->dispatcher);
 175
 176   if (r->contact != NULL)
 177     g_object_unref (r->contact);
 178
 179   if (r->request != NULL)
 180     g_hash_table_unref (r->request);
 181
 182   g_slice_free (DispatcherRequestData, r);
 183 }
 184
 185 static ConnectionData *
 186 new_connection_data (McAccount *account)
 187 {
 188   ConnectionData *cd = g_slice_new0 (ConnectionData);
 189   cd->account = g_object_ref (account);
 190
 191   cd->dispatched_channels = g_hash_table_new_full (g_str_hash, g_str_equal,
 192       g_free, (GDestroyNotify) free_dispatch_data);
 193
 194   cd->dispatching_channels = g_hash_table_new_full (g_str_hash, g_str_equal,
 195       g_free, g_object_unref);
 196
 197   cd->outstanding_channels = g_hash_table_new_full (g_str_hash, g_str_equal,
 198       g_free, NULL);
 199
 200   return cd;
 201 }
 202
 203 static void
 204 free_connection_data (ConnectionData *cd)
 205 {
 206   GList *l;
 207   g_object_unref (cd->account);
 208   g_hash_table_destroy (cd->dispatched_channels);
 209   g_hash_table_destroy (cd->dispatching_channels);
 210   int i;
 211
 212   for (l = cd->outstanding_requests ; l != NULL; l = g_list_delete_link (l,l))
 213     {
 214       free_dispatcher_request_data (l->data);
 215     }
 216
 217   if (cd->requestable_channels  != NULL)
 218     {
 219       for (i = 0 ; i < cd->requestable_channels->len ; i++)
 220           g_value_array_free (
 221             g_ptr_array_index (cd->requestable_channels, i));
 222       g_ptr_array_free (cd->requestable_channels, TRUE);
 223     }
 224 }
 225
 226 static void
 227 dispatcher_connection_invalidated_cb (TpConnection *connection,
 228                                       guint domain,
 229                                       gint code,
 230                                       gchar *message,
 231                                       EmpathyDispatcher *dispatcher)
 232 {
 233   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 234   ConnectionData *cd;
 235
 236   DEBUG ("Error: %s", message);
 237   cd = g_hash_table_lookup (priv->connections, connection);
 238
 239   g_hash_table_remove (priv->accounts, cd->account);
 240   g_hash_table_remove (priv->connections, connection);
 241 }
 242
 243 static gboolean
 244 dispatcher_operation_can_start (EmpathyDispatcher *self,
 245                                 EmpathyDispatchOperation *operation,
 246                                 ConnectionData *cd)
 247 {
 248   GList *l;
 249   const gchar *channel_type =
 250     empathy_dispatch_operation_get_channel_type (operation);
 251
 252   for (l = cd->outstanding_requests; l != NULL; l = g_list_next (l))
 253     {
 254       DispatcherRequestData *d = (DispatcherRequestData *) l->data;
 255
 256       if (d->operation == NULL && !tp_strdiff (d->channel_type, channel_type))
 257         {
 258           return FALSE;
 259         }
 260     }
 261
 262   return TRUE;
 263 }
 264
 265 static void
 266 dispatch_operation_flush_requests (EmpathyDispatcher *dispatcher,
 267                                    EmpathyDispatchOperation *operation,
 268                                    GError *error,
 269                                    ConnectionData *cd)
 270 {
 271   GList *l;
 272
 273   l = cd->outstanding_requests;
 274   while (l != NULL)
 275     {
 276       DispatcherRequestData *d = (DispatcherRequestData *) l->data;
 277       GList *lt = l;
 278
 279       l = g_list_next (l);
 280
 281       if (d->operation == operation)
 282         {
 283           if (d->cb != NULL)
 284             {
 285               if (error != NULL)
 286                 d->cb (NULL, error, d->user_data);
 287               else
 288                 d->cb (operation, NULL, d->user_data);
 289             }
 290
 291           cd->outstanding_requests = g_list_delete_link
 292             (cd->outstanding_requests, lt);
 293
 294           free_dispatcher_request_data (d);
 295         }
 296     }
 297 }
 298
 299 static void
 300 dispatcher_channel_invalidated_cb (TpProxy *proxy,
 301                                    guint domain,
 302                                    gint code,
 303                                    gchar *message,
 304                                    EmpathyDispatcher *dispatcher)
 305 {
 306   /* Channel went away... */
 307   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 308   TpConnection *connection;
 309   EmpathyDispatchOperation *operation;
 310   ConnectionData *cd;
 311   const gchar *object_path;
 312
 313   connection = tp_channel_borrow_connection (TP_CHANNEL (proxy));
 314
 315   cd = g_hash_table_lookup (priv->connections, connection);
 316   /* Connection itself invalidated? */
 317   if (cd == NULL)
 318     return;
 319
 320   object_path = tp_proxy_get_object_path (proxy);
 321
 322   DEBUG ("Channel %s invalidated", object_path);
 323
 324   g_hash_table_remove (cd->dispatched_channels, object_path);
 325   g_hash_table_remove (cd->dispatching_channels, object_path);
 326
 327   priv->channels = g_list_remove (priv->channels, proxy);
 328
 329   operation = g_hash_table_lookup (cd->outstanding_channels, object_path);
 330   if (operation != NULL)
 331     {
 332       GError error = { domain, code, message };
 333       dispatch_operation_flush_requests (dispatcher, operation, &error, cd);
 334       g_hash_table_remove (cd->outstanding_channels, object_path);
 335       g_object_unref (operation);
 336     }
 337 }
 338
 339 static void
 340 dispatch_operation_approved_cb (EmpathyDispatchOperation *operation,
 341                                 EmpathyDispatcher *dispatcher)
 342 {
 343   g_assert (empathy_dispatch_operation_is_incoming (operation));
 344   DEBUG ("Send of for dispatching: %s",
 345     empathy_dispatch_operation_get_object_path (operation));
 346   g_signal_emit (dispatcher, signals[DISPATCH], 0, operation);
 347 }
 348
 349 static void
 350 dispatch_operation_claimed_cb (EmpathyDispatchOperation *operation,
 351                                EmpathyDispatcher *dispatcher)
 352 {
 353   /* Our job is done, remove the dispatch operation and mark the channel as
 354    * dispatched */
 355   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 356   TpConnection *connection;
 357   ConnectionData *cd;
 358   const gchar *object_path;
 359
 360   connection = empathy_dispatch_operation_get_tp_connection (operation);
 361   cd = g_hash_table_lookup (priv->connections, connection);
 362   g_assert (cd != NULL);
 363   g_object_unref (G_OBJECT (connection));
 364
 365   object_path = empathy_dispatch_operation_get_object_path (operation);
 366
 367   if (g_hash_table_lookup (cd->dispatched_channels, object_path) == NULL)
 368     {
 369       DispatchData *d;
 370       d = new_dispatch_data (
 371         empathy_dispatch_operation_get_channel (operation),
 372         empathy_dispatch_operation_get_channel_wrapper (operation));
 373       g_hash_table_insert (cd->dispatched_channels,
 374         g_strdup (object_path), d);
 375     }
 376   g_hash_table_remove (cd->dispatching_channels, object_path);
 377
 378   DEBUG ("Channel claimed: %s", object_path);
 379 }
 380
 381 static void
 382 dispatch_operation_ready_cb (EmpathyDispatchOperation *operation,
 383                              EmpathyDispatcher *dispatcher)
 384 {
 385   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 386   TpConnection *connection;
 387   ConnectionData *cd;
 388   EmpathyDispatchOperationState status;
 389
 390   g_signal_connect (operation, "approved",
 391     G_CALLBACK (dispatch_operation_approved_cb), dispatcher);
 392
 393   g_signal_connect (operation, "claimed",
 394     G_CALLBACK (dispatch_operation_claimed_cb), dispatcher);
 395
 396   /* Signal the observers */
 397   DEBUG ("Send to observers: %s",
 398     empathy_dispatch_operation_get_object_path (operation));
 399   g_signal_emit (dispatcher, signals[OBSERVE], 0, operation);
 400
 401   empathy_dispatch_operation_start (operation);
 402
 403   /* Signal potential requestors */
 404   connection =  empathy_dispatch_operation_get_tp_connection (operation);
 405   cd = g_hash_table_lookup (priv->connections, connection);
 406   g_assert (cd != NULL);
 407   g_object_unref (G_OBJECT (connection));
 408
 409   g_object_ref (operation);
 410   g_object_ref (dispatcher);
 411
 412   dispatch_operation_flush_requests (dispatcher, operation, NULL, cd);
 413   status = empathy_dispatch_operation_get_status (operation);
 414   g_object_unref (operation);
 415
 416   if (status == EMPATHY_DISPATCHER_OPERATION_STATE_CLAIMED)
 417     return;
 418
 419   if (status == EMPATHY_DISPATCHER_OPERATION_STATE_APPROVING)
 420     {
 421       DEBUG ("Send to approvers: %s",
 422         empathy_dispatch_operation_get_object_path (operation));
 423       g_signal_emit (dispatcher, signals[APPROVE], 0, operation);
 424     }
 425   else
 426     {
 427       g_assert (status == EMPATHY_DISPATCHER_OPERATION_STATE_DISPATCHING);
 428       DEBUG ("Send of for dispatching: %s",
 429         empathy_dispatch_operation_get_object_path (operation));
 430       g_signal_emit (dispatcher, signals[DISPATCH], 0, operation);
 431     }
 432
 433   g_object_unref (dispatcher);
 434 }
 435
 436 static void
 437 dispatcher_start_dispatching (EmpathyDispatcher *self,
 438                               EmpathyDispatchOperation *operation,
 439                               ConnectionData *cd)
 440 {
 441   const gchar *object_path =
 442     empathy_dispatch_operation_get_object_path (operation);
 443
 444   DEBUG ("Dispatching process started for %s", object_path);
 445
 446   if (g_hash_table_lookup (cd->dispatching_channels, object_path) == NULL)
 447     {
 448       g_assert (g_hash_table_lookup (cd->outstanding_channels,
 449         object_path) == NULL);
 450
 451       g_hash_table_insert (cd->dispatching_channels,
 452         g_strdup (object_path), operation);
 453
 454       switch (empathy_dispatch_operation_get_status (operation))
 455         {
 456           case EMPATHY_DISPATCHER_OPERATION_STATE_PREPARING:
 457             g_signal_connect (operation, "ready",
 458               G_CALLBACK (dispatch_operation_ready_cb), dispatcher);
 459             break;
 460           case EMPATHY_DISPATCHER_OPERATION_STATE_PENDING:
 461             dispatch_operation_ready_cb (operation, dispatcher);
 462             break;
 463           default:
 464             g_assert_not_reached();
 465         }
 466
 467     }
 468   else if (empathy_dispatch_operation_get_status (operation) >=
 469       EMPATHY_DISPATCHER_OPERATION_STATE_PENDING)
 470     {
 471       /* Already dispatching and the operation is pending, thus the observers
 472        * have seen it (if applicable), so we can flush the request right away.
 473        */
 474       dispatch_operation_flush_requests (self, operation, NULL, cd);
 475     }
 476 }
 477
 478 static void
 479 dispatcher_flush_outstanding_operations (EmpathyDispatcher *self,
 480                                          ConnectionData *cd)
 481 {
 482   GHashTableIter iter;
 483   gpointer value;
 484
 485   g_hash_table_iter_init (&iter, cd->outstanding_channels);
 486   while (g_hash_table_iter_next (&iter, NULL, &value))
 487     {
 488       EmpathyDispatchOperation *operation = EMPATHY_DISPATCH_OPERATION (value);
 489
 490       if (dispatcher_operation_can_start (self, operation, cd))
 491         {
 492           dispatcher_start_dispatching (dispatcher, operation, cd);
 493           g_hash_table_iter_remove (&iter);
 494         }
 495     }
 496 }
 497
 498 static void
 499 dispatcher_connection_new_channel (EmpathyDispatcher *dispatcher,
 500                                    TpConnection *connection,
 501                                    const gchar *object_path,
 502                                    const gchar *channel_type,
 503                                    guint handle_type,
 504                                    guint handle,
 505                                    GHashTable *properties,
 506                                    gboolean incoming)
 507 {
 508   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 509   TpChannel         *channel;
 510   ConnectionData *cd;
 511   EmpathyDispatchOperation *operation;
 512   EmpathyContact *contact = NULL;
 513   int i;
 514   /* Channel types we never want to dispatch because they're either deprecated
 515    * or can't sensibly be dispatch (e.g. channels that should always be
 516    * requested) */
 517   const char *blacklist[] = {
 518     TP_IFACE_CHANNEL_TYPE_CONTACT_LIST,
 519     TP_IFACE_CHANNEL_TYPE_TUBES,
 520     TP_IFACE_CHANNEL_TYPE_ROOM_LIST,
 521     NULL
 522   };
 523
 524   cd = g_hash_table_lookup (priv->connections, connection);
 525
 526   /* Don't bother with channels we have already dispatched or are dispatching
 527    * currently. This can happen when NewChannel(s) is fired after
 528    * RequestChannel/CreateChannel/EnsureChannel */
 529   if (g_hash_table_lookup (cd->dispatched_channels, object_path) != NULL)
 530     return;
 531
 532   if (g_hash_table_lookup (cd->dispatching_channels, object_path) != NULL)
 533     return;
 534
 535   /* Should never occur, but just in case a CM fires spurious NewChannel(s)
 536    * signals */
 537   if (g_hash_table_lookup (cd->outstanding_channels, object_path) != NULL)
 538     return;
 539
 540   /* Only pick up non-requested text and file channels. For all other it
 541    * doesn't make sense to handle it if we didn't request it. The same goes
 542    * for channels we discovered by the Channels property or ListChannels */
 543   if (!incoming && tp_strdiff (channel_type, TP_IFACE_CHANNEL_TYPE_TEXT)
 544         && tp_strdiff (channel_type, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER))
 545     {
 546       DEBUG ("Ignoring incoming channel of type %s on %s",
 547         channel_type, object_path);
 548       return;
 549     }
 550
 551   for (i = 0 ; blacklist[i] != NULL; i++)
 552     {
 553       if (!tp_strdiff (channel_type, blacklist[i]))
 554         {
 555           DEBUG ("Ignoring blacklisted channel type %s on %s",
 556             channel_type, object_path);
 557           return;
 558         }
 559     }
 560
 561   DEBUG ("New channel of type %s on %s", channel_type, object_path);
 562
 563   if (properties == NULL)
 564     channel = tp_channel_new (connection, object_path, channel_type,
 565       handle_type, handle, NULL);
 566   else
 567     channel = tp_channel_new_from_properties (connection, object_path,
 568       properties, NULL);
 569
 570   g_signal_connect (channel, "invalidated",
 571     G_CALLBACK (dispatcher_channel_invalidated_cb),
 572     dispatcher);
 573
 574   priv->channels = g_list_prepend (priv->channels, channel);
 575
 576   if (handle_type == TP_CONN_HANDLE_TYPE_CONTACT)
 577     {
 578       EmpathyContactFactory *factory = empathy_contact_factory_dup_singleton ();
 579       contact = empathy_contact_factory_get_from_handle (factory,
 580         cd->account, handle);
 581       g_object_unref (factory);
 582     }
 583
 584   operation = empathy_dispatch_operation_new (connection, channel, contact,
 585     incoming);
 586
 587   g_object_unref (channel);
 588
 589   if (incoming)
 590     {
 591       /* Request could either be by us or by a remote party. If there are no
 592        * outstanding requests for this channel type we can assume it's remote.
 593        * Otherwise we wait untill they are all satisfied */
 594       if (dispatcher_operation_can_start (dispatcher, operation, cd))
 595         dispatcher_start_dispatching (dispatcher, operation, cd);
 596       else
 597         g_hash_table_insert (cd->outstanding_channels,
 598           g_strdup (object_path), operation);
 599     }
 600   else
 601     {
 602       dispatcher_start_dispatching (dispatcher, operation, cd);
 603     }
 604 }
 605
 606 static void
 607 dispatcher_connection_new_channel_cb (TpConnection *connection,
 608                                       const gchar *object_path,
 609                                       const gchar  *channel_type,
 610                                       guint handle_type,
 611                                       guint handle,
 612                                       gboolean suppress_handler,
 613                                       gpointer user_data,
 614                                       GObject *object)
 615 {
 616   EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
 617
 618   /* Empathy heavily abuses surpress handler (don't try this at home), if
 619    * surpress handler is true then it is an outgoing channel, which is
 620    * requested either by us or some other party (like the megaphone applet).
 621    * Otherwise it's an incoming channel */
 622   dispatcher_connection_new_channel (dispatcher, connection,
 623     object_path, channel_type, handle_type, handle, NULL, !suppress_handler);
 624 }
 625
 626 static void
 627 dispatcher_connection_new_channel_with_properties (EmpathyDispatcher *dispatcher,
 628                                                    TpConnection *connection,
 629                                                    const gchar *object_path,
 630                                                    GHashTable *properties)
 631 {
 632   const gchar *channel_type;
 633   guint handle_type;
 634   guint handle;
 635   gboolean requested;
 636   gboolean valid;
 637
 638
 639   channel_type = tp_asv_get_string (properties,
 640     TP_IFACE_CHANNEL ".ChannelType");
 641   if (channel_type == NULL)
 642     {
 643       g_message ("%s had an invalid ChannelType property", object_path);
 644       return;
 645     }
 646
 647   handle_type = tp_asv_get_uint32 (properties,
 648     TP_IFACE_CHANNEL ".TargetHandleType", &valid);
 649   if (!valid)
 650     {
 651       g_message ("%s had an invalid TargetHandleType property", object_path);
 652       return;
 653     }
 654
 655   handle = tp_asv_get_uint32 (properties,
 656     TP_IFACE_CHANNEL ".TargetHandle", &valid);
 657   if (!valid)
 658     {
 659       g_message ("%s had an invalid TargetHandle property", object_path);
 660       return;
 661     }
 662
 663   /* We assume there is no channel dispather, so we're the only one dispatching
 664    * it. Which means that a requested channel it is outgoing one */
 665   requested = tp_asv_get_boolean (properties,
 666     TP_IFACE_CHANNEL ".Requested", &valid);
 667   if (!valid)
 668     {
 669       g_message ("%s had an invalid Requested property", object_path);
 670       return;
 671     }
 672
 673   dispatcher_connection_new_channel (dispatcher, connection,
 674     object_path, channel_type, handle_type, handle, properties, !requested);
 675 }
 676
 677 static void
 678 dispatcher_connection_new_channels_cb (TpConnection *connection,
 679                                        const GPtrArray *channels,
 680                                        gpointer user_data,
 681                                        GObject *object)
 682 {
 683   EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
 684   int i;
 685
 686   for (i = 0; i < channels->len ; i++)
 687     {
 688       GValueArray *arr = g_ptr_array_index (channels, i);
 689       const gchar *object_path;
 690       GHashTable *properties;
 691
 692       object_path = g_value_get_boxed (g_value_array_get_nth (arr, 0));
 693       properties = g_value_get_boxed (g_value_array_get_nth (arr, 1));
 694
 695       dispatcher_connection_new_channel_with_properties (dispatcher,
 696         connection, object_path, properties);
 697     }
 698 }
 699
 700 static void
 701 dispatcher_connection_got_all (TpProxy *proxy, GHashTable *properties,
 702   const GError *error, gpointer user_data, GObject *object)
 703 {
 704   EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
 705   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 706   GPtrArray *channels;
 707   GPtrArray *requestable_channels;
 708
 709   if (error) {
 710     DEBUG ("Error: %s", error->message);
 711     return;
 712   }
 713
 714   channels = tp_asv_get_boxed (properties, "Channels",
 715     TP_ARRAY_TYPE_CHANNEL_DETAILS_LIST);
 716
 717   if (channels == NULL)
 718     DEBUG ("No Channels property !?! on connection");
 719   else
 720     dispatcher_connection_new_channels_cb (TP_CONNECTION (proxy),
 721       channels, NULL, object);
 722
 723   requestable_channels = tp_asv_get_boxed (properties,
 724     "RequestableChannelClasses", TP_ARRAY_TYPE_REQUESTABLE_CHANNEL_CLASS_LIST);
 725
 726   if (requestable_channels == NULL)
 727     DEBUG ("No RequestableChannelClasses property !?! on connection");
 728   else
 729     {
 730       ConnectionData *cd;
 731
 732       cd = g_hash_table_lookup (priv->connections, proxy);
 733       g_assert (cd != NULL);
 734
 735       cd->requestable_channels = g_boxed_copy (
 736         TP_ARRAY_TYPE_REQUESTABLE_CHANNEL_CLASS_LIST, requestable_channels);
 737     }
 738 }
 739
 740 static void
 741 dispatcher_connection_list_channels_cb (TpConnection    *connection,
 742                                         const GPtrArray *channels,
 743                                         const GError    *error,
 744                                         gpointer         user_data,
 745                                         GObject         *dispatcher)
 746 {
 747   int i;
 748
 749   if (error)
 750     {
 751       DEBUG ("Error: %s", error->message);
 752       return;
 753     }
 754
 755   for (i = 0; i < channels->len; i++)
 756     {
 757       GValueArray *values;
 758
 759       values = g_ptr_array_index (channels, i);
 760       /* We don't have any extra info, so assume already existing channels are
 761        * incoming... */
 762       dispatcher_connection_new_channel (EMPATHY_DISPATCHER (dispatcher),
 763         connection,
 764         g_value_get_boxed (g_value_array_get_nth (values, 0)),
 765         g_value_get_string (g_value_array_get_nth (values, 1)),
 766         g_value_get_uint (g_value_array_get_nth (values, 2)),
 767         g_value_get_uint (g_value_array_get_nth (values, 3)),
 768         NULL, TRUE);
 769     }
 770 }
 771
 772 static void
 773 dispatcher_connection_advertise_capabilities_cb (TpConnection    *connection,
 774                                                  const GPtrArray *capabilities,
 775                                                  const GError    *error,
 776                                                  gpointer         user_data,
 777                                                  GObject         *dispatcher)
 778 {
 779   if (error)
 780     DEBUG ("Error: %s", error->message);
 781 }
 782
 783 static void
 784 dispatcher_connection_ready_cb (TpConnection *connection,
 785                                 const GError *error,
 786                                 gpointer dispatcher)
 787 {
 788   GPtrArray   *capabilities;
 789   GType        cap_type;
 790   GValue       cap = {0, };
 791   const gchar *remove = NULL;
 792
 793   if (error)
 794     {
 795       dispatcher_connection_invalidated_cb (connection, error->domain,
 796         error->code, error->message, dispatcher);
 797       return;
 798     }
 799
 800   g_signal_connect (connection, "invalidated",
 801     G_CALLBACK (dispatcher_connection_invalidated_cb), dispatcher);
 802
 803   if (tp_proxy_has_interface_by_id (TP_PROXY (connection),
 804       TP_IFACE_QUARK_CONNECTION_INTERFACE_REQUESTS))
 805     {
 806       tp_cli_connection_interface_requests_connect_to_new_channels (connection,
 807         dispatcher_connection_new_channels_cb,
 808         NULL, NULL, G_OBJECT (dispatcher), NULL);
 809
 810       tp_cli_dbus_properties_call_get_all (connection, -1,
 811         TP_IFACE_CONNECTION_INTERFACE_REQUESTS,
 812         dispatcher_connection_got_all,
 813         NULL, NULL, dispatcher);
 814     }
 815   else
 816     {
 817       tp_cli_connection_connect_to_new_channel (connection,
 818         dispatcher_connection_new_channel_cb,
 819         NULL, NULL, G_OBJECT (dispatcher), NULL);
 820
 821       tp_cli_connection_call_list_channels (connection, -1,
 822         dispatcher_connection_list_channels_cb, NULL, NULL,
 823         G_OBJECT (dispatcher));
 824
 825     }
 826
 827   /* Advertise VoIP capabilities */
 828   /* FIXME: Capabilities is leaked */
 829   capabilities = g_ptr_array_sized_new (1);
 830   cap_type = dbus_g_type_get_struct ("GValueArray", G_TYPE_STRING,
 831     G_TYPE_UINT, G_TYPE_INVALID);
 832   g_value_init (&cap, cap_type);
 833   g_value_take_boxed (&cap, dbus_g_type_specialized_construct (cap_type));
 834   dbus_g_type_struct_set (&cap,
 835         0, TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 836         1, TP_CHANNEL_MEDIA_CAPABILITY_AUDIO |
 837            TP_CHANNEL_MEDIA_CAPABILITY_VIDEO |
 838            TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_STUN  |
 839            TP_CHANNEL_MEDIA_CAPABILITY_NAT_TRAVERSAL_GTALK_P2P, G_MAXUINT);
 840   g_ptr_array_add (capabilities, g_value_get_boxed (&cap));
 841
 842   tp_cli_connection_interface_capabilities_call_advertise_capabilities (
 843     connection, -1, capabilities, &remove,
 844     dispatcher_connection_advertise_capabilities_cb,
 845     NULL, NULL, G_OBJECT (dispatcher));
 846 }
 847
 848 static void
 849 dispatcher_update_account (EmpathyDispatcher *dispatcher,
 850                            McAccount *account)
 851 {
 852   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
 853   TpConnection *connection;
 854
 855   connection = g_hash_table_lookup (priv->accounts, account);
 856   if (connection != NULL)
 857     return;
 858
 859   connection = mission_control_get_tpconnection (priv->mc, account, NULL);
 860   if (connection == NULL)
 861     return;
 862
 863   g_hash_table_insert (priv->connections, g_object_ref (connection),
 864     new_connection_data (account));
 865
 866   g_hash_table_insert (priv->accounts, g_object_ref (account),
 867     g_object_ref (connection));
 868
 869   tp_connection_call_when_ready (connection, dispatcher_connection_ready_cb,
 870     dispatcher);
 871
 872   g_object_unref (connection);
 873 }
 874
 875 static void
 876 dispatcher_account_connection_cb (EmpathyAccountManager *manager,
 877                                   McAccount *account,
 878                                   TpConnectionStatusReason reason,
 879                                   TpConnectionStatus status,
 880                                   TpConnectionStatus previous,
 881                                   EmpathyDispatcher *dispatcher)
 882 {
 883   dispatcher_update_account (dispatcher, account);
 884 }
 885
 886 static GObject*
 887 dispatcher_constructor (GType type,
 888                         guint n_construct_params,
 889                         GObjectConstructParam *construct_params)
 890 {
 891   GObject *retval;
 892
 893   if (dispatcher == NULL)
 894     {
 895       retval = G_OBJECT_CLASS (empathy_dispatcher_parent_class)->constructor
 896           (type, n_construct_params, construct_params);
 897
 898       dispatcher = EMPATHY_DISPATCHER (retval);
 899       g_object_add_weak_pointer (retval, (gpointer *) &dispatcher);
 900     }
 901   else
 902     {
 903       retval = g_object_ref (dispatcher);
 904     }
 905
 906   return retval;
 907 }
 908
 909 static void
 910 dispatcher_finalize (GObject *object)
 911 {
 912   EmpathyDispatcherPriv *priv = GET_PRIV (object);
 913   GList *l;
 914   GHashTableIter iter;
 915   gpointer connection;
 916
 917   g_signal_handlers_disconnect_by_func (priv->account_manager,
 918       dispatcher_account_connection_cb, object);
 919
 920   for (l = priv->channels; l; l = l->next)
 921     {
 922       g_signal_handlers_disconnect_by_func (l->data,
 923           dispatcher_channel_invalidated_cb, object);
 924     }
 925
 926   g_list_free (priv->channels);
 927
 928   g_hash_table_iter_init (&iter, priv->connections);
 929   while (g_hash_table_iter_next (&iter, &connection, NULL))
 930     {
 931       g_signal_handlers_disconnect_by_func (connection,
 932           dispatcher_connection_invalidated_cb, object);
 933     }
 934
 935   g_object_unref (priv->account_manager);
 936   g_object_unref (priv->mc);
 937
 938   g_hash_table_destroy (priv->accounts);
 939   g_hash_table_destroy (priv->connections);
 940 }
 941
 942 static void
 943 empathy_dispatcher_class_init (EmpathyDispatcherClass *klass)
 944 {
 945   GObjectClass *object_class = G_OBJECT_CLASS (klass);
 946
 947   object_class->finalize = dispatcher_finalize;
 948   object_class->constructor = dispatcher_constructor;
 949
 950   signals[OBSERVE] =
 951     g_signal_new ("observe",
 952       G_TYPE_FROM_CLASS (klass),
 953       G_SIGNAL_RUN_LAST,
 954       0,
 955       NULL, NULL,
 956       g_cclosure_marshal_VOID__OBJECT,
 957       G_TYPE_NONE,
 958       1, EMPATHY_TYPE_DISPATCH_OPERATION);
 959
 960   signals[APPROVE] =
 961     g_signal_new ("approve",
 962       G_TYPE_FROM_CLASS (klass),
 963       G_SIGNAL_RUN_LAST,
 964       0,
 965       NULL, NULL,
 966       g_cclosure_marshal_VOID__OBJECT,
 967       G_TYPE_NONE,
 968       1, EMPATHY_TYPE_DISPATCH_OPERATION);
 969
 970   signals[DISPATCH] =
 971     g_signal_new ("dispatch",
 972       G_TYPE_FROM_CLASS (klass),
 973       G_SIGNAL_RUN_LAST,
 974       0,
 975       NULL, NULL,
 976       g_cclosure_marshal_VOID__OBJECT,
 977       G_TYPE_NONE,
 978       1, EMPATHY_TYPE_DISPATCH_OPERATION);
 979
 980   g_type_class_add_private (object_class, sizeof (EmpathyDispatcherPriv));
 981
 982 }
 983
 984 static void
 985 empathy_dispatcher_init (EmpathyDispatcher *dispatcher)
 986 {
 987   GList *accounts, *l;
 988   EmpathyDispatcherPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (dispatcher,
 989     EMPATHY_TYPE_DISPATCHER, EmpathyDispatcherPriv);
 990
 991   dispatcher->priv = priv;
 992   priv->mc = empathy_mission_control_dup_singleton ();
 993   priv->account_manager = empathy_account_manager_dup_singleton ();
 994
 995   g_signal_connect (priv->account_manager,
 996     "account-connection-changed",
 997     G_CALLBACK (dispatcher_account_connection_cb),
 998     dispatcher);
 999
1000   priv->accounts = g_hash_table_new_full (empathy_account_hash,
1001         empathy_account_equal, g_object_unref, g_object_unref);
1002
1003   priv->connections = g_hash_table_new_full (g_direct_hash, g_direct_equal,
1004     g_object_unref, (GDestroyNotify) free_connection_data);
1005
1006   priv->channels = NULL;
1007
1008   accounts = mc_accounts_list_by_enabled (TRUE);
1009
1010   for (l = accounts; l; l = l->next)
1011     {
1012       dispatcher_update_account (dispatcher, l->data);
1013       g_object_unref (l->data);
1014     }
1015   g_list_free (accounts);
1016 }
1017
1018 EmpathyDispatcher *
1019 empathy_dispatcher_dup_singleton (void)
1020 {
1021   return EMPATHY_DISPATCHER (g_object_new (EMPATHY_TYPE_DISPATCHER, NULL));
1022 }
1023
1024 static void
1025 dispatcher_request_failed (EmpathyDispatcher *dispatcher,
1026                            DispatcherRequestData *request_data,
1027                            const GError *error)
1028 {
1029   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1030   ConnectionData *conn_data;
1031
1032   conn_data = g_hash_table_lookup (priv->connections, request_data->connection);
1033   if (request_data->cb != NULL)
1034     request_data->cb (NULL, error, request_data->user_data);
1035
1036   conn_data->outstanding_requests =
1037       g_list_remove (conn_data->outstanding_requests, request_data);
1038   free_dispatcher_request_data (request_data);
1039 }
1040
1041 static void
1042 dispatcher_connection_new_requested_channel (EmpathyDispatcher *dispatcher,
1043                                              DispatcherRequestData *request_data,
1044                                              const gchar *object_path,
1045                                              GHashTable *properties,
1046                                              const GError *error)
1047 {
1048   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1049   EmpathyDispatchOperation *operation = NULL;
1050   ConnectionData *conn_data;
1051
1052   conn_data = g_hash_table_lookup (priv->connections,
1053     request_data->connection);
1054
1055   if (error)
1056     {
1057       DEBUG ("Channel request failed: %s", error->message);
1058
1059       dispatcher_request_failed (dispatcher, request_data, error);
1060
1061       goto out;
1062     }
1063
1064   operation = g_hash_table_lookup (conn_data->outstanding_channels,
1065     object_path);
1066
1067   if (operation != NULL)
1068     g_hash_table_remove (conn_data->outstanding_channels, object_path);
1069   else
1070     operation = g_hash_table_lookup (conn_data->dispatching_channels,
1071         object_path);
1072
1073   if (operation == NULL)
1074     {
1075       DispatchData *data = g_hash_table_lookup (conn_data->dispatched_channels,
1076         object_path);
1077
1078       if (data != NULL)
1079         {
1080           operation = empathy_dispatch_operation_new_with_wrapper (
1081             request_data->connection,
1082             data->channel, request_data->contact, FALSE,
1083             data->channel_wrapper);
1084         }
1085       else
1086         {
1087           TpChannel *channel;
1088
1089           if (properties != NULL)
1090             channel = tp_channel_new_from_properties (request_data->connection,
1091               object_path, properties, NULL);
1092           else
1093             channel = tp_channel_new (request_data->connection, object_path,
1094               request_data->channel_type, request_data->handle_type,
1095               request_data->handle, NULL);
1096
1097           g_signal_connect (channel, "invalidated",
1098             G_CALLBACK (dispatcher_channel_invalidated_cb),
1099             request_data->dispatcher);
1100
1101           priv->channels = g_list_prepend (priv->channels, channel);
1102
1103           operation = empathy_dispatch_operation_new (request_data->connection,
1104              channel, request_data->contact, FALSE);
1105           g_object_unref (channel);
1106         }
1107     }
1108   else
1109     {
1110       /* Already existed set potential extra information */
1111       g_object_set (G_OBJECT (operation),
1112         "contact", request_data->contact,
1113         NULL);
1114     }
1115
1116   request_data->operation = operation;
1117
1118   /* (pre)-approve this right away as we requested it */
1119   empathy_dispatch_operation_approve (operation);
1120
1121   dispatcher_start_dispatching (request_data->dispatcher, operation,
1122         conn_data);
1123 out:
1124   dispatcher_flush_outstanding_operations (request_data->dispatcher,
1125     conn_data);
1126 }
1127
1128 static void
1129 dispatcher_request_channel_cb (TpConnection *connection,
1130                                const gchar  *object_path,
1131                                const GError *error,
1132                                gpointer user_data,
1133                                GObject *weak_object)
1134 {
1135   EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (weak_object);
1136   DispatcherRequestData *request_data = (DispatcherRequestData*) user_data;
1137
1138   dispatcher_connection_new_requested_channel (dispatcher,
1139     request_data, object_path, NULL, error);
1140 }
1141
1142 static void
1143 dispatcher_request_channel (DispatcherRequestData *request_data)
1144 {
1145   tp_cli_connection_call_request_channel (request_data->connection, -1,
1146     request_data->channel_type,
1147     request_data->handle_type,
1148     request_data->handle,
1149     TRUE, dispatcher_request_channel_cb,
1150     request_data, NULL, G_OBJECT (request_data->dispatcher));
1151 }
1152
1153 void
1154 empathy_dispatcher_call_with_contact (EmpathyContact *contact,
1155                                       EmpathyDispatcherRequestCb *callback,
1156                                       gpointer user_data)
1157 {
1158   EmpathyDispatcher *dispatcher = empathy_dispatcher_dup_singleton();
1159   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1160   McAccount *account;
1161   TpConnection *connection;
1162   ConnectionData *cd;
1163   DispatcherRequestData *request_data;
1164
1165   account = empathy_contact_get_account (contact);
1166   connection = g_hash_table_lookup (priv->accounts, account);
1167
1168   g_assert (connection != NULL);
1169   cd = g_hash_table_lookup (priv->connections, connection);
1170   request_data  = new_dispatcher_request_data (dispatcher, connection,
1171     TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA, TP_HANDLE_TYPE_NONE, 0, NULL,
1172     contact, callback, user_data);
1173
1174   cd->outstanding_requests = g_list_prepend
1175     (cd->outstanding_requests, request_data);
1176
1177   dispatcher_request_channel (request_data);
1178
1179   g_object_unref (dispatcher);
1180 }
1181
1182 static void
1183 dispatcher_chat_with_contact_cb (EmpathyContact *contact,
1184                                  const GError *error,
1185                                  gpointer user_data,
1186                                  GObject *object)
1187 {
1188   DispatcherRequestData *request_data = (DispatcherRequestData *) user_data;
1189
1190   request_data->handle = empathy_contact_get_handle (contact);
1191
1192   dispatcher_request_channel (request_data);
1193 }
1194
1195 void
1196 empathy_dispatcher_chat_with_contact (EmpathyContact *contact,
1197                                       EmpathyDispatcherRequestCb *callback,
1198                                       gpointer user_data)
1199 {
1200   EmpathyDispatcher *dispatcher;
1201   EmpathyDispatcherPriv *priv;
1202   McAccount *account;
1203   TpConnection *connection;
1204   ConnectionData *connection_data;
1205   DispatcherRequestData *request_data;
1206
1207   dispatcher = empathy_dispatcher_dup_singleton();
1208   priv = GET_PRIV (dispatcher);
1209
1210   account = empathy_contact_get_account (contact);
1211   connection = g_hash_table_lookup (priv->accounts, account);
1212   connection_data = g_hash_table_lookup (priv->connections, connection);
1213
1214   /* The contact handle might not be known yet */
1215   request_data  = new_dispatcher_request_data (dispatcher, connection,
1216     TP_IFACE_CHANNEL_TYPE_TEXT, TP_HANDLE_TYPE_CONTACT, 0, NULL,
1217     contact, callback, user_data);
1218
1219   connection_data->outstanding_requests = g_list_prepend
1220     (connection_data->outstanding_requests, request_data);
1221
1222   empathy_contact_call_when_ready (contact,
1223     EMPATHY_CONTACT_READY_HANDLE, dispatcher_chat_with_contact_cb,
1224     request_data, NULL, G_OBJECT (dispatcher));
1225
1226   g_object_unref (dispatcher);
1227 }
1228
1229 void
1230 empathy_dispatcher_chat_with_contact_id (McAccount *account,
1231                                          const gchar *contact_id,
1232                                          EmpathyDispatcherRequestCb *callback,
1233                                          gpointer user_data)
1234 {
1235   EmpathyDispatcher *dispatcher = empathy_dispatcher_dup_singleton ();
1236   EmpathyContactFactory *factory;
1237   EmpathyContact        *contact;
1238
1239   factory = empathy_contact_factory_dup_singleton ();
1240   contact = empathy_contact_factory_get_from_id (factory, account, contact_id);
1241
1242   empathy_dispatcher_chat_with_contact (contact, callback, user_data);
1243
1244   g_object_unref (contact);
1245   g_object_unref (factory);
1246   g_object_unref (dispatcher);
1247 }
1248
1249 static void
1250 dispatcher_request_handles_cb (TpConnection *connection,
1251                                const GArray *handles,
1252                                const GError *error,
1253                                gpointer user_data,
1254                                GObject *object)
1255 {
1256   DispatcherRequestData *request_data = (DispatcherRequestData *) user_data;
1257
1258   if (error != NULL)
1259     {
1260       EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (object);
1261       EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1262       ConnectionData *cd;
1263
1264       cd = g_hash_table_lookup (priv->connections, request_data->connection);
1265
1266       if (request_data->cb)
1267         request_data->cb (NULL, error, request_data->user_data);
1268
1269       cd->outstanding_requests = g_list_remove (cd->outstanding_requests,
1270         request_data);
1271
1272       free_dispatcher_request_data (request_data);
1273
1274       dispatcher_flush_outstanding_operations (dispatcher, cd);
1275       return;
1276     }
1277
1278   request_data->handle = g_array_index (handles, guint, 0);
1279   dispatcher_request_channel (request_data);
1280 }
1281
1282 void
1283 empathy_dispatcher_join_muc (McAccount *account,
1284                              const gchar *roomname,
1285                              EmpathyDispatcherRequestCb *callback,
1286                              gpointer user_data)
1287 {
1288   EmpathyDispatcher *dispatcher;
1289   EmpathyDispatcherPriv *priv;
1290   DispatcherRequestData *request_data;
1291   TpConnection *connection;
1292   ConnectionData *connection_data;
1293   const gchar *names[] = { roomname, NULL };
1294
1295   dispatcher = empathy_dispatcher_dup_singleton();
1296   priv = GET_PRIV (dispatcher);
1297
1298   connection = g_hash_table_lookup (priv->accounts, account);
1299   connection_data = g_hash_table_lookup (priv->connections, connection);
1300
1301
1302   /* Don't know the room handle yet */
1303   request_data  = new_dispatcher_request_data (dispatcher, connection,
1304     TP_IFACE_CHANNEL_TYPE_TEXT, TP_HANDLE_TYPE_ROOM, 0, NULL,
1305     NULL, callback, user_data);
1306
1307   connection_data->outstanding_requests = g_list_prepend
1308     (connection_data->outstanding_requests, request_data);
1309
1310   tp_cli_connection_call_request_handles (connection, -1,
1311     TP_HANDLE_TYPE_ROOM, names,
1312     dispatcher_request_handles_cb, request_data, NULL,
1313     G_OBJECT (dispatcher));
1314
1315   g_object_unref (dispatcher);
1316 }
1317
1318 static void
1319 dispatcher_create_channel_cb (TpConnection *connect,
1320                               const gchar *object_path,
1321                               GHashTable *properties,
1322                               const GError *error,
1323                               gpointer user_data,
1324                               GObject *weak_object)
1325 {
1326   EmpathyDispatcher *dispatcher = EMPATHY_DISPATCHER (weak_object);
1327   DispatcherRequestData *request_data = (DispatcherRequestData*) user_data;
1328
1329   dispatcher_connection_new_requested_channel (dispatcher,
1330     request_data, object_path, properties, error);
1331 }
1332
1333 void
1334 empathy_dispatcher_create_channel (EmpathyDispatcher *dispatcher,
1335   McAccount *account, GHashTable *request,
1336   EmpathyDispatcherRequestCb *callback, gpointer user_data)
1337 {
1338   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1339   ConnectionData *connection_data;
1340   DispatcherRequestData *request_data;
1341   const gchar *channel_type;
1342   guint handle_type;
1343   guint handle;
1344   gboolean valid;
1345   TpConnection *connection;
1346
1347   connection = g_hash_table_lookup (priv->accounts, account);
1348   g_assert (connection != NULL);
1349
1350   connection_data = g_hash_table_lookup (priv->connections, connection);
1351   g_assert (connection_data != NULL);
1352
1353   channel_type = tp_asv_get_string (request, TP_IFACE_CHANNEL ".ChannelType");
1354
1355   handle_type = tp_asv_get_uint32 (request,
1356     TP_IFACE_CHANNEL ".TargetHandleType", &valid);
1357   if (!valid)
1358     handle_type = TP_UNKNOWN_HANDLE_TYPE;
1359
1360   handle = tp_asv_get_uint32 (request, TP_IFACE_CHANNEL ".TargetHandle", NULL);
1361
1362   request_data  = new_dispatcher_request_data (dispatcher, connection,
1363     channel_type, handle_type, handle, request,
1364     NULL, callback, user_data);
1365
1366   connection_data->outstanding_requests = g_list_prepend
1367     (connection_data->outstanding_requests, request_data);
1368
1369   tp_cli_connection_interface_requests_call_create_channel (
1370     request_data->connection, -1,
1371     request_data->request, dispatcher_create_channel_cb, request_data, NULL,
1372     G_OBJECT (request_data->dispatcher));
1373 }
1374
1375 static void
1376 dispatcher_create_channel_with_contact_cb (EmpathyContact *contact,
1377                                            const GError *error,
1378                                            gpointer user_data,
1379                                            GObject *object)
1380 {
1381   DispatcherRequestData *request_data = (DispatcherRequestData *) user_data;
1382   GValue *target_handle;
1383
1384   g_assert (request_data->request);
1385
1386   if (error != NULL)
1387     {
1388       dispatcher_request_failed (request_data->dispatcher,
1389         request_data, error);
1390       return;
1391     }
1392
1393   request_data->handle = empathy_contact_get_handle (contact);
1394
1395   target_handle = tp_g_value_slice_new (G_TYPE_UINT);
1396   g_value_set_uint (target_handle, request_data->handle);
1397   g_hash_table_insert (request_data->request,
1398     TP_IFACE_CHANNEL ".TargetHandle", target_handle);
1399
1400   tp_cli_connection_interface_requests_call_create_channel (
1401     request_data->connection, -1,
1402     request_data->request, dispatcher_create_channel_cb, request_data, NULL,
1403     G_OBJECT (request_data->dispatcher));
1404 }
1405
1406 static void
1407 dispatcher_send_file_connection_ready_cb (TpConnection *connection,
1408                                           const GError *error,
1409                                           gpointer user_data)
1410 {
1411   DispatcherRequestData *request_data = (DispatcherRequestData *) user_data;
1412
1413   if (error !=  NULL)
1414     {
1415       dispatcher_request_failed (request_data->dispatcher,
1416           request_data, error);
1417       return;
1418     }
1419
1420   empathy_contact_call_when_ready (request_data->contact,
1421     EMPATHY_CONTACT_READY_HANDLE, dispatcher_create_channel_with_contact_cb,
1422     request_data, NULL, G_OBJECT (request_data->dispatcher));
1423 }
1424
1425 void
1426 empathy_dispatcher_send_file_to_contact (EmpathyContact *contact,
1427                                          const gchar *filename,
1428                                          guint64 size,
1429                                          guint64 date,
1430                                          const gchar *content_type,
1431                                          EmpathyDispatcherRequestCb *callback,
1432                                          gpointer user_data)
1433 {
1434   EmpathyDispatcher *dispatcher = empathy_dispatcher_dup_singleton();
1435   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1436   McAccount *account = empathy_contact_get_account (contact);
1437   TpConnection *connection = g_hash_table_lookup (priv->accounts, account);
1438   ConnectionData *connection_data =
1439     g_hash_table_lookup (priv->connections, connection);
1440   DispatcherRequestData *request_data;
1441   GValue *value;
1442   GHashTable *request = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
1443       (GDestroyNotify) tp_g_value_slice_free);
1444
1445   /* org.freedesktop.Telepathy.Channel.ChannelType */
1446   value = tp_g_value_slice_new (G_TYPE_STRING);
1447   g_value_set_string (value, EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER);
1448   g_hash_table_insert (request, TP_IFACE_CHANNEL ".ChannelType", value);
1449
1450   /* org.freedesktop.Telepathy.Channel.TargetHandleType */
1451   value = tp_g_value_slice_new (G_TYPE_UINT);
1452   g_value_set_uint (value, TP_HANDLE_TYPE_CONTACT);
1453   g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandleType", value);
1454
1455   /* org.freedesktop.Telepathy.Channel.Type.FileTransfer.ContentType */
1456   value = tp_g_value_slice_new (G_TYPE_STRING);
1457   g_value_set_string (value, content_type);
1458   g_hash_table_insert (request,
1459     EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER ".ContentType", value);
1460
1461   /* org.freedesktop.Telepathy.Channel.Type.FileTransfer.Filename */
1462   value = tp_g_value_slice_new (G_TYPE_STRING);
1463   g_value_set_string (value, filename);
1464   g_hash_table_insert (request,
1465     EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER ".Filename", value);
1466
1467   /* org.freedesktop.Telepathy.Channel.Type.FileTransfer.Size */
1468   value = tp_g_value_slice_new (G_TYPE_UINT64);
1469   g_value_set_uint64 (value, size);
1470   g_hash_table_insert (request,
1471     EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER ".Size", value);
1472
1473   /* org.freedesktop.Telepathy.Channel.Type.FileTransfer.Date */
1474   value = tp_g_value_slice_new (G_TYPE_UINT64);
1475   g_value_set_uint64 (value, date);
1476   g_hash_table_insert (request,
1477     EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER ".Date", value);
1478
1479
1480   /* The contact handle might not be known yet */
1481   request_data  = new_dispatcher_request_data (dispatcher, connection,
1482     EMP_IFACE_CHANNEL_TYPE_FILE_TRANSFER, TP_HANDLE_TYPE_CONTACT, 0, request,
1483     contact, callback, user_data);
1484   connection_data->outstanding_requests = g_list_prepend
1485     (connection_data->outstanding_requests, request_data);
1486
1487   tp_connection_call_when_ready (connection,
1488       dispatcher_send_file_connection_ready_cb, (gpointer) request_data);
1489
1490   g_object_unref (dispatcher);
1491 }
1492
1493 GStrv
1494 empathy_dispatcher_find_channel_class (EmpathyDispatcher *dispatcher,
1495   McAccount *account, const gchar *channel_type, guint handle_type)
1496 {
1497   EmpathyDispatcherPriv *priv = GET_PRIV (dispatcher);
1498   ConnectionData *cd;
1499   TpConnection *connection;
1500   int i;
1501   GPtrArray *classes;
1502
1503   g_return_val_if_fail (channel_type != NULL, NULL);
1504   g_return_val_if_fail (handle_type != 0, NULL);
1505
1506   connection = g_hash_table_lookup (priv->accounts, account);
1507
1508   if (connection == NULL)
1509     return NULL;
1510
1511   cd = g_hash_table_lookup (priv->connections, connection);
1512
1513   if (cd == NULL)
1514     return NULL;
1515
1516
1517   classes = cd->requestable_channels;
1518   if (classes == NULL)
1519     return NULL;
1520
1521   for (i = 0; i < classes->len; i++)
1522     {
1523       GValueArray *class;
1524       GValue *fixed;
1525       GValue *allowed;
1526       GHashTable *fprops;
1527       const gchar *c_type;
1528       guint32 h_type;
1529       gboolean valid;
1530
1531       class = g_ptr_array_index (classes, i);
1532       fixed = g_value_array_get_nth (class, 0);
1533
1534       fprops = g_value_get_boxed (fixed);
1535       c_type = tp_asv_get_string (fprops, TP_IFACE_CHANNEL ".ChannelType");
1536
1537       if (tp_strdiff (channel_type, c_type))
1538         continue;
1539
1540       h_type = tp_asv_get_uint32 (fprops,
1541         TP_IFACE_CHANNEL ".TargetHandleType", &valid);
1542
1543       if (!valid || handle_type != h_type)
1544         continue;
1545
1546       allowed = g_value_array_get_nth (class, 1);
1547
1548       return g_value_get_boxed (allowed);
1549     }
1550
1551   return NULL;
1552 }
1553