libempathy/empathy-tube-handler.c

   1 /*
   2  * Copyright (C) 2008 Collabora Ltd.
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library 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  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Xavier Claessens <xclaesse@gmail.com>
  19  *          Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  20  */
  21
  22 #include <config.h>
  23
  24 #include <dbus/dbus-glib.h>
  25
  26 #include <telepathy-glib/dbus.h>
  27 #include <telepathy-glib/connection.h>
  28 #include <telepathy-glib/channel.h>
  29 #include <telepathy-glib/interfaces.h>
  30 #include <telepathy-glib/util.h>
  31
  32 #include <extensions/extensions.h>
  33
  34 #include "empathy-tp-tube.h"
  35 #include "empathy-tube-handler.h"
  36
  37 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  38 #include "empathy-debug.h"
  39
  40 static void empathy_tube_handler_iface_init (EmpSvcTubeHandlerClass *klass);
  41
  42 enum
  43 {
  44   NEW_TUBE,
  45   LAST_SIGNAL
  46 };
  47
  48 static guint signals[LAST_SIGNAL];
  49
  50 G_DEFINE_TYPE_WITH_CODE (EmpathyTubeHandler, empathy_tube_handler,
  51     G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (EMP_TYPE_SVC_TUBE_HANDLER,
  52     empathy_tube_handler_iface_init))
  53
  54 typedef struct
  55 {
  56   EmpathyTubeHandler *thandler;
  57   gchar *bus_name;
  58   gchar *connection;
  59   gchar *channel;
  60   guint handle_type;
  61   guint handle;
  62 } IdleData;
  63
  64 static gboolean
  65 tube_handler_handle_tube_idle_cb (gpointer data)
  66 {
  67   IdleData *idle_data = data;
  68   TpConnection *connection;
  69   TpChannel *channel;
  70   EmpathyTpTube *tube;
  71   static TpDBusDaemon *daemon = NULL;
  72
  73   DEBUG ("New tube to be handled");
  74
  75   if (!daemon)
  76     daemon = tp_dbus_daemon_new (tp_get_bus ());
  77
  78   connection = tp_connection_new (daemon, idle_data->bus_name,
  79       idle_data->connection, NULL);
  80   channel = tp_channel_new (connection, idle_data->channel,
  81       TP_IFACE_CHANNEL_TYPE_TUBES, idle_data->handle_type,
  82       idle_data->handle, NULL);
  83   tp_channel_run_until_ready (channel, NULL, NULL);
  84
  85   tube = empathy_tp_tube_new (channel);
  86   g_signal_emit (idle_data->thandler, signals[NEW_TUBE], 0, tube);
  87
  88   g_object_unref (tube);
  89   g_object_unref (channel);
  90   g_object_unref (connection);
  91   g_free (idle_data->bus_name);
  92   g_free (idle_data->connection);
  93   g_free (idle_data->channel);
  94   g_slice_free (IdleData, idle_data);
  95
  96   return FALSE;
  97 }
  98
  99 static void
 100 tube_handler_handle_tube (EmpSvcTubeHandler *self,
 101                           const gchar *bus_name,
 102                           const gchar *connection,
 103                           const gchar *channel,
 104                           guint handle_type,
 105                           guint handle,
 106                           DBusGMethodInvocation *context)
 107 {
 108   EmpathyTubeHandler *thandler = EMPATHY_TUBE_HANDLER (self);
 109   IdleData *data;
 110
 111   data = g_slice_new (IdleData);
 112   data->thandler = thandler;
 113   data->bus_name = g_strdup (bus_name);
 114   data->connection = g_strdup (connection);
 115   data->channel = g_strdup (channel);
 116   data->handle_type = handle_type;
 117   data->handle = handle;
 118
 119   g_idle_add_full (G_PRIORITY_HIGH, tube_handler_handle_tube_idle_cb,
 120       data, NULL);
 121
 122   emp_svc_tube_handler_return_from_handle_tube (context);
 123 }
 124
 125 static void
 126 empathy_tube_handler_class_init (EmpathyTubeHandlerClass *klass)
 127 {
 128   signals[NEW_TUBE] =
 129       g_signal_new ("new-tube", G_OBJECT_CLASS_TYPE (klass),
 130       G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__OBJECT,
 131       G_TYPE_NONE, 1, EMPATHY_TYPE_TP_TUBE);
 132 }
 133
 134 static void
 135 empathy_tube_handler_iface_init (EmpSvcTubeHandlerClass *klass)
 136 {
 137   emp_svc_tube_handler_implement_handle_tube (klass,
 138       tube_handler_handle_tube);
 139 }
 140
 141 static void
 142 empathy_tube_handler_init (EmpathyTubeHandler *thandler)
 143 {
 144 }
 145
 146 EmpathyTubeHandler *
 147 empathy_tube_handler_new (TpTubeType type, const gchar *service)
 148 {
 149   EmpathyTubeHandler *thandler = NULL;
 150   DBusGProxy *proxy;
 151   guint result;
 152   gchar *bus_name;
 153   gchar *object_path;
 154   GError *error = NULL;
 155
 156   g_return_val_if_fail (type < NUM_TP_TUBE_TYPES, NULL);
 157   g_return_val_if_fail (service != NULL, NULL);
 158
 159   bus_name = empathy_tube_handler_build_bus_name (type, service);
 160   object_path = empathy_tube_handler_build_object_path (type, service);
 161
 162   proxy = dbus_g_proxy_new_for_name (tp_get_bus (), DBUS_SERVICE_DBUS,
 163       DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
 164
 165   if (!dbus_g_proxy_call (proxy, "RequestName", &error,
 166       G_TYPE_STRING, bus_name, G_TYPE_UINT, DBUS_NAME_FLAG_DO_NOT_QUEUE,
 167       G_TYPE_INVALID, G_TYPE_UINT, &result, G_TYPE_INVALID))
 168     {
 169       DEBUG ("Failed to request name: %s",
 170           error ? error->message : "No error given");
 171       g_clear_error (&error);
 172       goto OUT;
 173     }
 174
 175   DEBUG ("Creating tube handler %s", bus_name);
 176   thandler = g_object_new (EMPATHY_TYPE_TUBE_HANDLER, NULL);
 177   dbus_g_connection_register_g_object (tp_get_bus (), object_path,
 178       G_OBJECT (thandler));
 179
 180 OUT:
 181   g_object_unref (proxy);
 182   g_free (bus_name);
 183   g_free (object_path);
 184
 185   return thandler;
 186 }
 187
 188 gchar *
 189 empathy_tube_handler_build_bus_name (TpTubeType type,
 190   const gchar *service)
 191 {
 192   gchar *str = NULL;
 193   const gchar *prefix = NULL;
 194
 195   g_return_val_if_fail (type < NUM_TP_TUBE_TYPES, NULL);
 196   g_return_val_if_fail (service != NULL, NULL);
 197
 198   if (type == TP_TUBE_TYPE_DBUS)
 199     prefix = "org.gnome.Empathy.DTubeHandler.";
 200   else if (type == TP_TUBE_TYPE_STREAM)
 201     prefix = "org.gnome.Empathy.StreamTubeHandler.";
 202   else
 203     g_return_val_if_reached (NULL);
 204
 205   str = g_strconcat (prefix, service, NULL);
 206
 207   return str;
 208 }
 209
 210 gchar *
 211 empathy_tube_handler_build_object_path (TpTubeType type,
 212   const gchar *service)
 213 {
 214   gchar *bus_name;
 215   gchar *str;
 216
 217   g_return_val_if_fail (type < NUM_TP_TUBE_TYPES, NULL);
 218   g_return_val_if_fail (service != NULL, NULL);
 219
 220   bus_name = empathy_tube_handler_build_bus_name (type, service);
 221   str = g_strdelimit (g_strdup_printf ("/%s", bus_name), ".", '/');
 222   g_free (bus_name);
 223
 224   return str;
 225 }
 226