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-request-util.h>
  34 #include <libempathy/empathy-utils.h>
  35
  36 #include "empathy-call-factory.h"
  37 #include "empathy-call-handler.h"
  38 #include "src-marshal.h"
  39
  40 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  41 #include <libempathy/empathy-debug.h>
  42
  43 G_DEFINE_TYPE(EmpathyCallFactory, empathy_call_factory, G_TYPE_OBJECT)
  44
  45 static void handle_channels_cb (TpSimpleHandler *handler,
  46     TpAccount *account,
  47     TpConnection *connection,
  48     GList *channels,
  49     GList *requests_satisfied,
  50     gint64 user_action_time,
  51     TpHandleChannelsContext *context,
  52     gpointer user_data);
  53
  54 /* signal enum */
  55 enum
  56 {
  57     NEW_CALL_HANDLER,
  58     LAST_SIGNAL
  59 };
  60
  61 static guint signals[LAST_SIGNAL] = {0};
  62
  63 /* private structure */
  64 typedef struct {
  65   TpBaseClient *handler;
  66   gboolean dispose_has_run;
  67 } EmpathyCallFactoryPriv;
  68
  69 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallFactory)
  70
  71 static GObject *call_factory = NULL;
  72
  73 static void
  74 empathy_call_factory_init (EmpathyCallFactory *obj)
  75 {
  76   EmpathyCallFactoryPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
  77     EMPATHY_TYPE_CALL_FACTORY, EmpathyCallFactoryPriv);
  78   TpDBusDaemon *dbus;
  79   EmpathyChannelFactory *factory;
  80   GError *error = NULL;
  81
  82   obj->priv = priv;
  83
  84   dbus = tp_dbus_daemon_dup (&error);
  85   if (dbus == NULL)
  86     {
  87       g_warning ("Failed to get TpDBusDaemon: %s", error->message);
  88       g_error_free (error);
  89       return;
  90     }
  91
  92   priv->handler = tp_simple_handler_new (dbus, FALSE, FALSE,
  93       EMPATHY_CALL_BUS_NAME_SUFFIX, FALSE, handle_channels_cb, obj, NULL);
  94
  95   factory = empathy_channel_factory_new ();
  96   tp_base_client_set_channel_factory (priv->handler,
  97       TP_CLIENT_CHANNEL_FACTORY (factory));
  98   g_object_unref (factory);
  99
 100   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 101         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 102           TPY_IFACE_CHANNEL_TYPE_CALL,
 103         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 104         NULL));
 105
 106   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 107         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 108           TPY_IFACE_CHANNEL_TYPE_CALL,
 109         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 110         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN, TRUE,
 111         NULL));
 112
 113   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 114         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 115           TPY_IFACE_CHANNEL_TYPE_CALL,
 116         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 117         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN, TRUE,
 118         NULL));
 119
 120   tp_base_client_add_handler_capabilities_varargs (priv->handler,
 121     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/ice-udp",
 122     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/gtalk-p2p",
 123     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/video/h264",
 124     NULL);
 125
 126   g_object_unref (dbus);
 127 }
 128
 129 static GObject *
 130 empathy_call_factory_constructor (GType type, guint n_construct_params,
 131   GObjectConstructParam *construct_params)
 132 {
 133   g_return_val_if_fail (call_factory == NULL, NULL);
 134
 135   call_factory = G_OBJECT_CLASS (empathy_call_factory_parent_class)->constructor
 136           (type, n_construct_params, construct_params);
 137   g_object_add_weak_pointer (call_factory, (gpointer)&call_factory);
 138
 139   return call_factory;
 140 }
 141
 142 static void
 143 empathy_call_factory_finalize (GObject *object)
 144 {
 145   /* free any data held directly by the object here */
 146
 147   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize)
 148     G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize (object);
 149 }
 150
 151 static void
 152 empathy_call_factory_dispose (GObject *object)
 153 {
 154   EmpathyCallFactoryPriv *priv = GET_PRIV (object);
 155
 156   if (priv->dispose_has_run)
 157     return;
 158
 159   priv->dispose_has_run = TRUE;
 160
 161   tp_clear_object (&priv->handler);
 162
 163   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose)
 164     G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose (object);
 165 }
 166
 167 static void
 168 empathy_call_factory_class_init (
 169   EmpathyCallFactoryClass *empathy_call_factory_class)
 170 {
 171   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_factory_class);
 172
 173   g_type_class_add_private (empathy_call_factory_class,
 174     sizeof (EmpathyCallFactoryPriv));
 175
 176   object_class->constructor = empathy_call_factory_constructor;
 177   object_class->dispose = empathy_call_factory_dispose;
 178   object_class->finalize = empathy_call_factory_finalize;
 179
 180   signals[NEW_CALL_HANDLER] =
 181     g_signal_new ("new-call-handler",
 182       G_TYPE_FROM_CLASS (empathy_call_factory_class),
 183       G_SIGNAL_RUN_LAST, 0,
 184       NULL, NULL,
 185       _src_marshal_VOID__OBJECT_BOOLEAN,
 186       G_TYPE_NONE,
 187       2, EMPATHY_TYPE_CALL_HANDLER, G_TYPE_BOOLEAN);
 188 }
 189
 190 EmpathyCallFactory *
 191 empathy_call_factory_initialise (void)
 192 {
 193   g_return_val_if_fail (call_factory == NULL, NULL);
 194
 195   return EMPATHY_CALL_FACTORY (g_object_new (EMPATHY_TYPE_CALL_FACTORY, NULL));
 196 }
 197
 198 EmpathyCallFactory *
 199 empathy_call_factory_get (void)
 200 {
 201   g_return_val_if_fail (call_factory != NULL, NULL);
 202
 203   return EMPATHY_CALL_FACTORY (call_factory);
 204 }
 205
 206 static void
 207 create_call_channel_cb (GObject *source,
 208     GAsyncResult *result,
 209     gpointer user_data)
 210 {
 211   GError *error = NULL;
 212
 213   if (!tp_account_channel_request_create_channel_finish (
 214         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 215     {
 216       DEBUG ("Failed to create call channel: %s", error->message);
 217       g_error_free (error);
 218     }
 219 }
 220
 221 /**
 222  * empathy_call_factory_new_call_with_streams:
 223  * @factory: an #EmpathyCallFactory
 224  * @contact: an #EmpathyContact
 225  * @initial_audio: if %TRUE the call will be started with audio
 226  * @initial_video: if %TRUE the call will be started with video
 227  *
 228  * Initiate a new Call with @contact.
 229  */
 230 void
 231 empathy_call_factory_new_call_with_streams (EmpathyContact *contact,
 232     gboolean initial_audio,
 233     gboolean initial_video,
 234     gint64 timestamp,
 235     gpointer user_data)
 236 {
 237   GHashTable *call_request;
 238   TpAccount *account;
 239   TpAccountChannelRequest *call_req;
 240
 241   call_request = empathy_call_create_call_request (contact,
 242       initial_audio, initial_video);
 243
 244   account = empathy_contact_get_account (contact);
 245
 246   call_req = tp_account_channel_request_new (account, call_request, timestamp);
 247
 248   tp_account_channel_request_create_channel_async (call_req, NULL, NULL,
 249       create_call_channel_cb, NULL);
 250
 251   g_hash_table_unref (call_request);
 252   g_object_unref (call_req);
 253 }
 254
 255 static void
 256 create_call_handler (EmpathyCallFactory *factory,
 257   TpyCallChannel *call)
 258 {
 259   EmpathyCallHandler *handler;
 260
 261   g_return_if_fail (factory != NULL);
 262
 263   handler = empathy_call_handler_new_for_channel (call);
 264
 265   g_signal_emit (factory, signals[NEW_CALL_HANDLER], 0,
 266     handler, FALSE);
 267
 268   g_object_unref (handler);
 269 }
 270
 271 static void
 272 handle_channels_cb (TpSimpleHandler *handler,
 273     TpAccount *account,
 274     TpConnection *connection,
 275     GList *channels,
 276     GList *requests_satisfied,
 277     gint64 user_action_time,
 278     TpHandleChannelsContext *context,
 279     gpointer user_data)
 280 {
 281   EmpathyCallFactory *self = user_data;
 282   GList *l;
 283
 284   for (l = channels; l != NULL; l = g_list_next (l))
 285     {
 286       TpChannel *channel = l->data;
 287       TpyCallChannel *call;
 288
 289       if (tp_proxy_get_invalidated (channel) != NULL)
 290         continue;
 291
 292       if (tp_channel_get_channel_type_id (channel) !=
 293           TPY_IFACE_QUARK_CHANNEL_TYPE_CALL)
 294         continue;
 295
 296       if (!TPY_IS_CALL_CHANNEL (channel))
 297         continue;
 298
 299       call = TPY_CALL_CHANNEL (channel);
 300       create_call_handler (self, call);
 301       g_object_unref (call);
 302     }
 303
 304   tp_handle_channels_context_accept (context);
 305 }
 306
 307 gboolean
 308 empathy_call_factory_register (EmpathyCallFactory *self,
 309     GError **error)
 310 {
 311   EmpathyCallFactoryPriv *priv = GET_PRIV (self);
 312
 313   return tp_base_client_register (priv->handler, error);
 314 }