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