libempathy/empathy-client-factory.c

   1 /*
   2  * Copyright (C) 2010 Collabora Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public
  15  * License along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include "empathy-client-factory.h"
  25
  26 #include "empathy-tp-chat.h"
  27 #include "empathy-utils.h"
  28
  29 G_DEFINE_TYPE (EmpathyClientFactory, empathy_client_factory,
  30     TP_TYPE_AUTOMATIC_CLIENT_FACTORY)
  31
  32 #define chainup ((TpSimpleClientFactoryClass *) \
  33     empathy_client_factory_parent_class)
  34
  35 static TpChannel *
  36 empathy_client_factory_create_channel (TpSimpleClientFactory *factory,
  37     TpConnection *conn,
  38     const gchar *path,
  39     const GHashTable *properties,
  40     GError **error)
  41 {
  42   const gchar *chan_type;
  43
  44   chan_type = tp_asv_get_string (properties, TP_PROP_CHANNEL_CHANNEL_TYPE);
  45
  46   if (!tp_strdiff (chan_type, TP_IFACE_CHANNEL_TYPE_TEXT))
  47     {
  48       TpAccount *account;
  49
  50       account = tp_connection_get_account (conn);
  51
  52       return TP_CHANNEL (empathy_tp_chat_new (
  53             TP_SIMPLE_CLIENT_FACTORY (factory), account, conn, path,
  54             properties));
  55     }
  56
  57   return chainup->create_channel (factory, conn, path, properties, error);
  58 }
  59
  60 static GArray *
  61 empathy_client_factory_dup_channel_features (TpSimpleClientFactory *factory,
  62     TpChannel *channel)
  63 {
  64   GArray *features;
  65   GQuark feature;
  66
  67   features = chainup->dup_channel_features (factory, channel);
  68
  69   if (EMPATHY_IS_TP_CHAT (channel))
  70     {
  71       feature = TP_CHANNEL_FEATURE_CHAT_STATES;
  72       g_array_append_val (features, feature);
  73
  74       feature = EMPATHY_TP_CHAT_FEATURE_READY;
  75       g_array_append_val (features, feature);
  76     }
  77
  78   return features;
  79 }
  80
  81 static GArray *
  82 empathy_client_factory_dup_account_features (TpSimpleClientFactory *factory,
  83     TpAccount *account)
  84 {
  85   GArray *features;
  86   GQuark feature;
  87
  88   features = chainup->dup_account_features (factory, account);
  89
  90   feature = TP_ACCOUNT_FEATURE_CONNECTION;
  91   g_array_append_val (features, feature);
  92
  93   feature = TP_ACCOUNT_FEATURE_ADDRESSING;
  94   g_array_append_val (features, feature);
  95
  96   return features;
  97 }
  98
  99 static GArray *
 100 empathy_client_factory_dup_connection_features (TpSimpleClientFactory *factory,
 101     TpConnection *connection)
 102 {
 103   GArray *features;
 104   GQuark feature;
 105
 106   features = chainup->dup_connection_features (factory, connection);
 107
 108   feature = TP_CONNECTION_FEATURE_CAPABILITIES;
 109   g_array_append_val (features, feature);
 110
 111   feature = TP_CONNECTION_FEATURE_AVATAR_REQUIREMENTS;
 112   g_array_append_val (features, feature);
 113
 114   feature = TP_CONNECTION_FEATURE_CONTACT_INFO;
 115   g_array_append_val (features, feature);
 116
 117   feature = TP_CONNECTION_FEATURE_BALANCE;
 118   g_array_append_val (features, feature);
 119
 120   feature = TP_CONNECTION_FEATURE_CONTACT_BLOCKING;
 121   g_array_append_val (features, feature);
 122
 123   /* Most empathy-* may allow user to add a contact to his contact list. We
 124    * need this property to check if the connection allows it. It's cheap to
 125    * prepare anyway as it will just call GetAll() on the ContactList iface. */
 126   feature = TP_CONNECTION_FEATURE_CONTACT_LIST_PROPERTIES;
 127   g_array_append_val (features, feature);
 128
 129   return features;
 130 }
 131
 132 static GArray *
 133 empathy_client_factory_dup_contact_features (TpSimpleClientFactory *factory,
 134         TpConnection *connection)
 135 {
 136   GArray *features;
 137   TpContactFeature extra_features[] = {
 138       TP_CONTACT_FEATURE_ALIAS,
 139       TP_CONTACT_FEATURE_PRESENCE,
 140       TP_CONTACT_FEATURE_AVATAR_TOKEN,
 141       TP_CONTACT_FEATURE_AVATAR_DATA,
 142       TP_CONTACT_FEATURE_CAPABILITIES,
 143       /* Needed by empathy_individual_add_menu_item_new to check if a contact
 144        * is already in the contact list. This feature is pretty cheap to
 145        * prepare as it doesn't prepare the full roster. */
 146       TP_CONTACT_FEATURE_SUBSCRIPTION_STATES,
 147   };
 148
 149   features = chainup->dup_contact_features (factory, connection);
 150
 151   g_array_append_vals (features, extra_features, G_N_ELEMENTS (extra_features));
 152
 153   return features;
 154 }
 155
 156 static void
 157 empathy_client_factory_class_init (EmpathyClientFactoryClass *cls)
 158 {
 159   TpSimpleClientFactoryClass *simple_class = (TpSimpleClientFactoryClass *) cls;
 160
 161   simple_class->create_channel = empathy_client_factory_create_channel;
 162   simple_class->dup_channel_features =
 163     empathy_client_factory_dup_channel_features;
 164
 165   simple_class->dup_account_features =
 166     empathy_client_factory_dup_account_features;
 167
 168   simple_class->dup_connection_features =
 169     empathy_client_factory_dup_connection_features;
 170
 171   simple_class->dup_contact_features =
 172     empathy_client_factory_dup_contact_features;
 173 }
 174
 175 static void
 176 empathy_client_factory_init (EmpathyClientFactory *self)
 177 {
 178 }
 179
 180 static EmpathyClientFactory *
 181 empathy_client_factory_new (TpDBusDaemon *dbus)
 182 {
 183     return g_object_new (EMPATHY_TYPE_CLIENT_FACTORY,
 184         "dbus-daemon", dbus,
 185         NULL);
 186 }
 187
 188 EmpathyClientFactory *
 189 empathy_client_factory_dup (void)
 190 {
 191   static EmpathyClientFactory *singleton = NULL;
 192   TpDBusDaemon *dbus;
 193   GError *error = NULL;
 194
 195   if (singleton != NULL)
 196     return g_object_ref (singleton);
 197
 198   dbus = tp_dbus_daemon_dup (&error);
 199   if (dbus == NULL)
 200     {
 201       g_warning ("Failed to get TpDBusDaemon: %s", error->message);
 202       g_error_free (error);
 203       return NULL;
 204     }
 205
 206   singleton = empathy_client_factory_new (dbus);
 207   g_object_unref (dbus);
 208
 209   g_object_add_weak_pointer (G_OBJECT (singleton), (gpointer) &singleton);
 210
 211   return singleton;
 212 }