src/empathy-call-factory.c

   1 /*
   2  * empathy-call-factory.c - Source for EmpathyCallFactory
   3  * Copyright (C) 2008 Collabora Ltd.
   4  * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25 #include <telepathy-glib/account-channel-request.h>
  26 #include <telepathy-glib/simple-handler.h>
  27 #include <telepathy-glib/interfaces.h>
  28 #include <telepathy-glib/util.h>
  29
  30 #include <telepathy-yell/telepathy-yell.h>
  31
  32 #include <libempathy/empathy-channel-factory.h>
  33 #include <libempathy/empathy-utils.h>
  34
  35 #include "empathy-call-factory.h"
  36 #include "empathy-call-handler.h"
  37 #include "src-marshal.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  40 #include <libempathy/empathy-debug.h>
  41
  42 G_DEFINE_TYPE(EmpathyCallFactory, empathy_call_factory, G_TYPE_OBJECT)
  43
  44 static void handle_channels_cb (TpSimpleHandler *handler,
  45     TpAccount *account,
  46     TpConnection *connection,
  47     GList *channels,
  48     GList *requests_satisfied,
  49     gint64 user_action_time,
  50     TpHandleChannelsContext *context,
  51     gpointer user_data);
  52
  53 /* signal enum */
  54 enum
  55 {
  56     NEW_CALL_HANDLER,
  57     LAST_SIGNAL
  58 };
  59
  60 static guint signals[LAST_SIGNAL] = {0};
  61
  62 /* private structure */
  63 typedef struct {
  64   TpBaseClient *handler;
  65   gboolean dispose_has_run;
  66 } EmpathyCallFactoryPriv;
  67
  68 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallFactory)
  69
  70 static GObject *call_factory = NULL;
  71
  72 static void
  73 empathy_call_factory_init (EmpathyCallFactory *obj)
  74 {
  75   EmpathyCallFactoryPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
  76     EMPATHY_TYPE_CALL_FACTORY, EmpathyCallFactoryPriv);
  77   TpDBusDaemon *dbus;
  78   EmpathyChannelFactory *factory;
  79   GError *error = NULL;
  80
  81   obj->priv = priv;
  82
  83   dbus = tp_dbus_daemon_dup (&error);
  84   if (dbus == NULL)
  85     {
  86       g_warning ("Failed to get TpDBusDaemon: %s", error->message);
  87       g_error_free (error);
  88       return;
  89     }
  90
  91   priv->handler = tp_simple_handler_new (dbus, FALSE, FALSE,
  92       "Empathy.Call", FALSE, handle_channels_cb, obj, NULL);
  93
  94   factory = empathy_channel_factory_new ();
  95   tp_base_client_set_channel_factory (priv->handler,
  96       TP_CLIENT_CHANNEL_FACTORY (factory));
  97   g_object_unref (factory);
  98
  99   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 100         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 101           TPY_IFACE_CHANNEL_TYPE_CALL,
 102         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 103         NULL));
 104
 105   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 106         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 107           TPY_IFACE_CHANNEL_TYPE_CALL,
 108         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 109         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN, TRUE,
 110         NULL));
 111
 112   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 113         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 114           TPY_IFACE_CHANNEL_TYPE_CALL,
 115         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 116         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN, TRUE,
 117         NULL));
 118
 119   tp_base_client_add_handler_capabilities_varargs (priv->handler,
 120     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/ice-udp",
 121     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/gtalk-p2p",
 122     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/video/h264",
 123     NULL);
 124
 125   g_object_unref (dbus);
 126 }
 127
 128 static GObject *
 129 empathy_call_factory_constructor (GType type, guint n_construct_params,
 130   GObjectConstructParam *construct_params)
 131 {
 132   g_return_val_if_fail (call_factory == NULL, NULL);
 133
 134   call_factory = G_OBJECT_CLASS (empathy_call_factory_parent_class)->constructor
 135           (type, n_construct_params, construct_params);
 136   g_object_add_weak_pointer (call_factory, (gpointer)&call_factory);
 137
 138   return call_factory;
 139 }
 140
 141 static void
 142 empathy_call_factory_finalize (GObject *object)
 143 {
 144   /* free any data held directly by the object here */
 145
 146   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize)
 147     G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize (object);
 148 }
 149
 150 static void
 151 empathy_call_factory_dispose (GObject *object)
 152 {
 153   EmpathyCallFactoryPriv *priv = GET_PRIV (object);
 154
 155   if (priv->dispose_has_run)
 156     return;
 157
 158   priv->dispose_has_run = TRUE;
 159
 160   tp_clear_object (&priv->handler);
 161
 162   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose)
 163     G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose (object);
 164 }
 165
 166 static void
 167 empathy_call_factory_class_init (
 168   EmpathyCallFactoryClass *empathy_call_factory_class)
 169 {
 170   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_factory_class);
 171
 172   g_type_class_add_private (empathy_call_factory_class,
 173     sizeof (EmpathyCallFactoryPriv));
 174
 175   object_class->constructor = empathy_call_factory_constructor;
 176   object_class->dispose = empathy_call_factory_dispose;
 177   object_class->finalize = empathy_call_factory_finalize;
 178
 179   signals[NEW_CALL_HANDLER] =
 180     g_signal_new ("new-call-handler",
 181       G_TYPE_FROM_CLASS (empathy_call_factory_class),
 182       G_SIGNAL_RUN_LAST, 0,
 183       NULL, NULL,
 184       _src_marshal_VOID__OBJECT_BOOLEAN,
 185       G_TYPE_NONE,
 186       2, EMPATHY_TYPE_CALL_HANDLER, G_TYPE_BOOLEAN);
 187 }
 188
 189 EmpathyCallFactory *
 190 empathy_call_factory_initialise (void)
 191 {
 192   g_return_val_if_fail (call_factory == NULL, NULL);
 193
 194   return EMPATHY_CALL_FACTORY (g_object_new (EMPATHY_TYPE_CALL_FACTORY, NULL));
 195 }
 196
 197 EmpathyCallFactory *
 198 empathy_call_factory_get (void)
 199 {
 200   g_return_val_if_fail (call_factory != NULL, NULL);
 201
 202   return EMPATHY_CALL_FACTORY (call_factory);
 203 }
 204
 205 GHashTable *
 206 empathy_call_factory_create_call_request (EmpathyContact *contact,
 207     gboolean initial_audio,
 208     gboolean initial_video)
 209 {
 210   return tp_asv_new (
 211       TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 212         TPY_IFACE_CHANNEL_TYPE_CALL,
 213       TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 214       TP_PROP_CHANNEL_TARGET_HANDLE, G_TYPE_UINT,
 215         empathy_contact_get_handle (contact),
 216       TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN,
 217         initial_audio,
 218       TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN,
 219         initial_video,
 220       NULL);
 221 }
 222
 223 static void
 224 create_call_channel_cb (GObject *source,
 225     GAsyncResult *result,
 226     gpointer user_data)
 227 {
 228   GError *error = NULL;
 229
 230   if (!tp_account_channel_request_create_channel_finish (
 231         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 232     {
 233       DEBUG ("Failed to create call channel: %s", error->message);
 234       g_error_free (error);
 235     }
 236 }
 237
 238 /**
 239  * empathy_call_factory_new_call_with_streams:
 240  * @factory: an #EmpathyCallFactory
 241  * @contact: an #EmpathyContact
 242  * @initial_audio: if %TRUE the call will be started with audio
 243  * @initial_video: if %TRUE the call will be started with video
 244  *
 245  * Initiate a new Call with @contact.
 246  */
 247 void
 248 empathy_call_factory_new_call_with_streams (EmpathyContact *contact,
 249     gboolean initial_audio,
 250     gboolean initial_video,
 251     gint64 timestamp,
 252     gpointer user_data)
 253 {
 254   GHashTable *call_request;
 255   TpAccount *account;
 256   TpAccountChannelRequest *call_req;
 257
 258   call_request = empathy_call_factory_create_call_request (contact,
 259       initial_audio, initial_video);
 260
 261   account = empathy_contact_get_account (contact);
 262
 263   call_req = tp_account_channel_request_new (account, call_request, timestamp);
 264
 265   tp_account_channel_request_create_channel_async (call_req, NULL, NULL,
 266       create_call_channel_cb, NULL);
 267
 268   g_hash_table_unref (call_request);
 269   g_object_unref (call_req);
 270 }
 271
 272 static void
 273 create_call_handler (EmpathyCallFactory *factory,
 274   TpyCallChannel *call)
 275 {
 276   EmpathyCallHandler *handler;
 277
 278   g_return_if_fail (factory != NULL);
 279
 280   handler = empathy_call_handler_new_for_channel (call);
 281
 282   g_signal_emit (factory, signals[NEW_CALL_HANDLER], 0,
 283     handler, FALSE);
 284
 285   g_object_unref (handler);
 286 }
 287
 288 static void
 289 handle_channels_cb (TpSimpleHandler *handler,
 290     TpAccount *account,
 291     TpConnection *connection,
 292     GList *channels,
 293     GList *requests_satisfied,
 294     gint64 user_action_time,
 295     TpHandleChannelsContext *context,
 296     gpointer user_data)
 297 {
 298   EmpathyCallFactory *self = user_data;
 299   GList *l;
 300
 301   for (l = channels; l != NULL; l = g_list_next (l))
 302     {
 303       TpChannel *channel = l->data;
 304       TpyCallChannel *call;
 305
 306       if (tp_proxy_get_invalidated (channel) != NULL)
 307         continue;
 308
 309       if (tp_channel_get_channel_type_id (channel) !=
 310           TPY_IFACE_QUARK_CHANNEL_TYPE_CALL)
 311         continue;
 312
 313       if (!TPY_IS_CALL_CHANNEL (channel))
 314         continue;
 315
 316       call = TPY_CALL_CHANNEL (channel);
 317       create_call_handler (self, call);
 318       g_object_unref (call);
 319     }
 320
 321   tp_handle_channels_context_accept (context);
 322 }
 323
 324 gboolean
 325 empathy_call_factory_register (EmpathyCallFactory *self,
 326     GError **error)
 327 {
 328   EmpathyCallFactoryPriv *priv = GET_PRIV (self);
 329
 330   return tp_base_client_register (priv->handler, error);
 331 }