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 <libempathy-gtk/empathy-call-utils.h>
  37
  38 #include "empathy-call-factory.h"
  39 #include "empathy-call-handler.h"
  40 #include "src-marshal.h"
  41
  42 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  43 #include <libempathy/empathy-debug.h>
  44
  45 G_DEFINE_TYPE(EmpathyCallFactory, empathy_call_factory, G_TYPE_OBJECT)
  46
  47 static void handle_channels_cb (TpSimpleHandler *handler,
  48     TpAccount *account,
  49     TpConnection *connection,
  50     GList *channels,
  51     GList *requests_satisfied,
  52     gint64 user_action_time,
  53     TpHandleChannelsContext *context,
  54     gpointer user_data);
  55
  56 /* signal enum */
  57 enum
  58 {
  59     NEW_CALL_HANDLER,
  60     LAST_SIGNAL
  61 };
  62
  63 static guint signals[LAST_SIGNAL] = {0};
  64
  65 /* private structure */
  66 typedef struct {
  67   TpBaseClient *handler;
  68   gboolean dispose_has_run;
  69 } EmpathyCallFactoryPriv;
  70
  71 #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyCallFactory)
  72
  73 static GObject *call_factory = NULL;
  74
  75 static void
  76 empathy_call_factory_init (EmpathyCallFactory *obj)
  77 {
  78   EmpathyCallFactoryPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (obj,
  79     EMPATHY_TYPE_CALL_FACTORY, EmpathyCallFactoryPriv);
  80   TpDBusDaemon *dbus;
  81   EmpathyChannelFactory *factory;
  82   GError *error = NULL;
  83
  84   obj->priv = priv;
  85
  86   dbus = tp_dbus_daemon_dup (&error);
  87   if (dbus == NULL)
  88     {
  89       g_warning ("Failed to get TpDBusDaemon: %s", error->message);
  90       g_error_free (error);
  91       return;
  92     }
  93
  94   priv->handler = tp_simple_handler_new (dbus, FALSE, FALSE,
  95       EMPATHY_CALL_BUS_NAME_SUFFIX, FALSE, handle_channels_cb, obj, NULL);
  96
  97   factory = empathy_channel_factory_new ();
  98   tp_base_client_set_channel_factory (priv->handler,
  99       TP_CLIENT_CHANNEL_FACTORY (factory));
 100   g_object_unref (factory);
 101
 102   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 103         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 104           TPY_IFACE_CHANNEL_TYPE_CALL,
 105         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 106         NULL));
 107
 108   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 109         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 110           TPY_IFACE_CHANNEL_TYPE_CALL,
 111         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 112         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN, TRUE,
 113         NULL));
 114
 115   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
 116         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 117           TPY_IFACE_CHANNEL_TYPE_CALL,
 118         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 119         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN, TRUE,
 120         NULL));
 121
 122   tp_base_client_add_handler_capabilities_varargs (priv->handler,
 123     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/ice-udp",
 124     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/gtalk-p2p",
 125     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/video/h264",
 126     NULL);
 127
 128   g_object_unref (dbus);
 129 }
 130
 131 static GObject *
 132 empathy_call_factory_constructor (GType type, guint n_construct_params,
 133   GObjectConstructParam *construct_params)
 134 {
 135   g_return_val_if_fail (call_factory == NULL, NULL);
 136
 137   call_factory = G_OBJECT_CLASS (empathy_call_factory_parent_class)->constructor
 138           (type, n_construct_params, construct_params);
 139   g_object_add_weak_pointer (call_factory, (gpointer)&call_factory);
 140
 141   return call_factory;
 142 }
 143
 144 static void
 145 empathy_call_factory_finalize (GObject *object)
 146 {
 147   /* free any data held directly by the object here */
 148
 149   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize)
 150     G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize (object);
 151 }
 152
 153 static void
 154 empathy_call_factory_dispose (GObject *object)
 155 {
 156   EmpathyCallFactoryPriv *priv = GET_PRIV (object);
 157
 158   if (priv->dispose_has_run)
 159     return;
 160
 161   priv->dispose_has_run = TRUE;
 162
 163   tp_clear_object (&priv->handler);
 164
 165   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose)
 166     G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose (object);
 167 }
 168
 169 static void
 170 empathy_call_factory_class_init (
 171   EmpathyCallFactoryClass *empathy_call_factory_class)
 172 {
 173   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_factory_class);
 174
 175   g_type_class_add_private (empathy_call_factory_class,
 176     sizeof (EmpathyCallFactoryPriv));
 177
 178   object_class->constructor = empathy_call_factory_constructor;
 179   object_class->dispose = empathy_call_factory_dispose;
 180   object_class->finalize = empathy_call_factory_finalize;
 181
 182   signals[NEW_CALL_HANDLER] =
 183     g_signal_new ("new-call-handler",
 184       G_TYPE_FROM_CLASS (empathy_call_factory_class),
 185       G_SIGNAL_RUN_LAST, 0,
 186       NULL, NULL,
 187       _src_marshal_VOID__OBJECT_BOOLEAN,
 188       G_TYPE_NONE,
 189       2, EMPATHY_TYPE_CALL_HANDLER, G_TYPE_BOOLEAN);
 190 }
 191
 192 EmpathyCallFactory *
 193 empathy_call_factory_initialise (void)
 194 {
 195   g_return_val_if_fail (call_factory == NULL, NULL);
 196
 197   return EMPATHY_CALL_FACTORY (g_object_new (EMPATHY_TYPE_CALL_FACTORY, NULL));
 198 }
 199
 200 EmpathyCallFactory *
 201 empathy_call_factory_get (void)
 202 {
 203   g_return_val_if_fail (call_factory != NULL, NULL);
 204
 205   return EMPATHY_CALL_FACTORY (call_factory);
 206 }
 207
 208 static void
 209 create_call_channel_cb (GObject *source,
 210     GAsyncResult *result,
 211     gpointer user_data)
 212 {
 213   GError *error = NULL;
 214
 215   if (!tp_account_channel_request_create_channel_finish (
 216         TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 217     {
 218       DEBUG ("Failed to create call channel: %s", error->message);
 219       g_error_free (error);
 220     }
 221 }
 222
 223 /**
 224  * empathy_call_factory_new_call_with_streams:
 225  * @factory: an #EmpathyCallFactory
 226  * @contact: an #EmpathyContact
 227  * @initial_audio: if %TRUE the call will be started with audio
 228  * @initial_video: if %TRUE the call will be started with video
 229  *
 230  * Initiate a new Call with @contact.
 231  */
 232 void
 233 empathy_call_factory_new_call_with_streams (EmpathyContact *contact,
 234     gboolean initial_audio,
 235     gboolean initial_video,
 236     gint64 timestamp,
 237     gpointer user_data)
 238 {
 239   GHashTable *call_request;
 240   TpAccount *account;
 241   TpAccountChannelRequest *call_req;
 242
 243   call_request = empathy_call_create_call_request (contact,
 244       initial_audio, initial_video);
 245
 246   account = empathy_contact_get_account (contact);
 247
 248   call_req = tp_account_channel_request_new (account, call_request, timestamp);
 249
 250   tp_account_channel_request_create_channel_async (call_req, NULL, NULL,
 251       create_call_channel_cb, NULL);
 252
 253   g_hash_table_unref (call_request);
 254   g_object_unref (call_req);
 255 }
 256
 257 static void
 258 create_call_handler (EmpathyCallFactory *factory,
 259   TpyCallChannel *call)
 260 {
 261   EmpathyCallHandler *handler;
 262
 263   g_return_if_fail (factory != NULL);
 264
 265   handler = empathy_call_handler_new_for_channel (call);
 266
 267   g_signal_emit (factory, signals[NEW_CALL_HANDLER], 0,
 268     handler, FALSE);
 269
 270   g_object_unref (handler);
 271 }
 272
 273 static void
 274 handle_channels_cb (TpSimpleHandler *handler,
 275     TpAccount *account,
 276     TpConnection *connection,
 277     GList *channels,
 278     GList *requests_satisfied,
 279     gint64 user_action_time,
 280     TpHandleChannelsContext *context,
 281     gpointer user_data)
 282 {
 283   EmpathyCallFactory *self = user_data;
 284   GList *l;
 285
 286   for (l = channels; l != NULL; l = g_list_next (l))
 287     {
 288       TpChannel *channel = l->data;
 289       TpyCallChannel *call;
 290
 291       if (tp_proxy_get_invalidated (channel) != NULL)
 292         continue;
 293
 294       if (tp_channel_get_channel_type_id (channel) !=
 295           TPY_IFACE_QUARK_CHANNEL_TYPE_CALL)
 296         continue;
 297
 298       if (!TPY_IS_CALL_CHANNEL (channel))
 299         continue;
 300
 301       call = TPY_CALL_CHANNEL (channel);
 302       create_call_handler (self, call);
 303       g_object_unref (call);
 304     }
 305
 306   tp_handle_channels_context_accept (context);
 307 }
 308
 309 gboolean
 310 empathy_call_factory_register (EmpathyCallFactory *self,
 311     GError **error)
 312 {
 313   EmpathyCallFactoryPriv *priv = GET_PRIV (self);
 314
 315   return tp_base_client_register (priv->handler, error);
 316 }