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-request-util.h>
  33 #include <libempathy/empathy-tp-contact-factory.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   TpAccountManager *am;
  79
  80   obj->priv = priv;
  81
  82   am = tp_account_manager_dup ();
  83
  84   priv->handler = tp_simple_handler_new_with_am (am, FALSE, FALSE,
  85       EMPATHY_CALL_BUS_NAME_SUFFIX, FALSE, handle_channels_cb, obj, NULL);
  86
  87   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
  88         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
  89           TPY_IFACE_CHANNEL_TYPE_CALL,
  90         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE,
  91           G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
  92         NULL));
  93
  94   tp_base_client_take_handler_filter (priv->handler, tp_asv_new (
  95         TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
  96           TPY_IFACE_CHANNEL_TYPE_CALL,
  97         TP_PROP_CHANNEL_TARGET_HANDLE_TYPE,
  98           G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
  99         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN, TRUE,
 100         NULL));
 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,
 106           G_TYPE_UINT, TP_HANDLE_TYPE_CONTACT,
 107         TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN, TRUE,
 108         NULL));
 109
 110   tp_base_client_add_handler_capabilities_varargs (priv->handler,
 111     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/ice-udp",
 112     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/gtalk-p2p",
 113     "org.freedesktop.Telepathy.Channel.Interface.MediaSignalling/video/h264",
 114     NULL);
 115
 116   g_object_unref (am);
 117 }
 118
 119 static GObject *
 120 empathy_call_factory_constructor (GType type, guint n_construct_params,
 121   GObjectConstructParam *construct_params)
 122 {
 123   g_return_val_if_fail (call_factory == NULL, NULL);
 124
 125   call_factory = G_OBJECT_CLASS (empathy_call_factory_parent_class)->constructor
 126           (type, n_construct_params, construct_params);
 127   g_object_add_weak_pointer (call_factory, (gpointer)&call_factory);
 128
 129   return call_factory;
 130 }
 131
 132 static void
 133 empathy_call_factory_finalize (GObject *object)
 134 {
 135   /* free any data held directly by the object here */
 136
 137   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize)
 138     G_OBJECT_CLASS (empathy_call_factory_parent_class)->finalize (object);
 139 }
 140
 141 static void
 142 empathy_call_factory_dispose (GObject *object)
 143 {
 144   EmpathyCallFactoryPriv *priv = GET_PRIV (object);
 145
 146   if (priv->dispose_has_run)
 147     return;
 148
 149   priv->dispose_has_run = TRUE;
 150
 151   tp_clear_object (&priv->handler);
 152
 153   if (G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose)
 154     G_OBJECT_CLASS (empathy_call_factory_parent_class)->dispose (object);
 155 }
 156
 157 static void
 158 empathy_call_factory_class_init (
 159   EmpathyCallFactoryClass *empathy_call_factory_class)
 160 {
 161   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_factory_class);
 162
 163   g_type_class_add_private (empathy_call_factory_class,
 164     sizeof (EmpathyCallFactoryPriv));
 165
 166   object_class->constructor = empathy_call_factory_constructor;
 167   object_class->dispose = empathy_call_factory_dispose;
 168   object_class->finalize = empathy_call_factory_finalize;
 169
 170   signals[NEW_CALL_HANDLER] =
 171     g_signal_new ("new-call-handler",
 172       G_TYPE_FROM_CLASS (empathy_call_factory_class),
 173       G_SIGNAL_RUN_LAST, 0,
 174       NULL, NULL,
 175       _src_marshal_VOID__OBJECT_BOOLEAN,
 176       G_TYPE_NONE,
 177       2, EMPATHY_TYPE_CALL_HANDLER, G_TYPE_BOOLEAN);
 178 }
 179
 180 EmpathyCallFactory *
 181 empathy_call_factory_initialise (void)
 182 {
 183   g_return_val_if_fail (call_factory == NULL, NULL);
 184
 185   return EMPATHY_CALL_FACTORY (g_object_new (EMPATHY_TYPE_CALL_FACTORY, NULL));
 186 }
 187
 188 EmpathyCallFactory *
 189 empathy_call_factory_get (void)
 190 {
 191   g_return_val_if_fail (call_factory != NULL, NULL);
 192
 193   return EMPATHY_CALL_FACTORY (call_factory);
 194 }
 195
 196 static void
 197 call_channel_got_contact (TpConnection *connection,
 198   EmpathyContact *contact,
 199   const GError *error,
 200   gpointer user_data,
 201   GObject *weak_object)
 202 {
 203   EmpathyCallFactory *factory = EMPATHY_CALL_FACTORY (weak_object);
 204   EmpathyCallHandler *handler;
 205   TpyCallChannel *call = TPY_CALL_CHANNEL (user_data);
 206
 207   if (contact == NULL)
 208     {
 209       /* FIXME use hangup with an appropriate error */
 210       tp_channel_close_async (TP_CHANNEL (call), NULL, NULL);
 211       return;
 212     }
 213
 214   handler = empathy_call_handler_new_for_channel (call, contact);
 215
 216   g_signal_emit (factory, signals[NEW_CALL_HANDLER], 0,
 217     handler, FALSE);
 218
 219   g_object_unref (handler);
 220 }
 221
 222 static void
 223 call_channel_ready (EmpathyCallFactory *factory,
 224   TpyCallChannel *call)
 225 {
 226   TpChannel *channel = TP_CHANNEL (call);
 227   const gchar *id;
 228
 229   id = tp_channel_get_identifier (channel);
 230
 231   /* The ready callback has a reference, so pass that on */
 232   empathy_tp_contact_factory_get_from_id (
 233     tp_channel_borrow_connection (channel),
 234     id,
 235     call_channel_got_contact,
 236     channel,
 237     g_object_unref,
 238     (GObject *) factory);
 239 }
 240
 241 static void
 242 call_channel_ready_cb (TpyCallChannel *call,
 243   GParamSpec *spec,
 244   EmpathyCallFactory *factory)
 245 {
 246   gboolean ready;
 247
 248   g_object_get (call, "ready", &ready, NULL);
 249   if (!ready)
 250     return;
 251
 252   call_channel_ready (factory, call);
 253 }
 254
 255
 256 static void
 257 handle_channels_cb (TpSimpleHandler *handler,
 258     TpAccount *account,
 259     TpConnection *connection,
 260     GList *channels,
 261     GList *requests_satisfied,
 262     gint64 user_action_time,
 263     TpHandleChannelsContext *context,
 264     gpointer user_data)
 265 {
 266   EmpathyCallFactory *self = user_data;
 267   GList *l;
 268
 269   for (l = channels; l != NULL; l = g_list_next (l))
 270     {
 271       TpChannel *channel = l->data;
 272       TpyCallChannel *call;
 273       gboolean ready;
 274
 275       if (tp_proxy_get_invalidated (channel) != NULL)
 276         continue;
 277
 278       if (tp_channel_get_channel_type_id (channel) !=
 279           TPY_IFACE_QUARK_CHANNEL_TYPE_CALL)
 280         continue;
 281
 282       if (!TPY_IS_CALL_CHANNEL (channel))
 283         continue;
 284
 285       call = TPY_CALL_CHANNEL (channel);
 286
 287       /* Take a ref to keep while hopping through the async callbacks */
 288       g_object_ref (call);
 289       g_object_get (call, "ready", &ready, NULL);
 290
 291       if (!ready)
 292         tp_g_signal_connect_object (call, "notify::ready",
 293           G_CALLBACK (call_channel_ready_cb), self, 0);
 294       else
 295         call_channel_ready (self, call);
 296     }
 297
 298   tp_handle_channels_context_accept (context);
 299 }
 300
 301 gboolean
 302 empathy_call_factory_register (EmpathyCallFactory *self,
 303     GError **error)
 304 {
 305   EmpathyCallFactoryPriv *priv = GET_PRIV (self);
 306
 307   return tp_base_client_register (priv->handler, error);
 308 }