git.maemo.org Git - modest/blob - src/maemo/modest-maemo-utils.c

   1 /* Copyright (c) 2006, Nokia Corporation
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  * * Redistributions of source code must retain the above copyright
   9  *   notice, this list of conditions and the following disclaimer.
  10  * * Redistributions in binary form must reproduce the above copyright
  11  *   notice, this list of conditions and the following disclaimer in the
  12  *   documentation and/or other materials provided with the distribution.
  13  * * Neither the name of the Nokia Corporation nor the names of its
  14  *   contributors may be used to endorse or promote products derived from
  15  *   this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  18  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  20  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  21  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  22  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  23  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  24  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  25  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  26  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  27  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #ifndef DBUS_API_SUBJECT_TO_CHANGE
  31 #define DBUS_API_SUBJECT_TO_CHANGE
  32 #endif /*DBUS_API_SUBJECT_TO_CHANGE*/
  33
  34 #include <dbus/dbus.h>
  35 #include <dbus/dbus-glib-lowlevel.h>
  36 #include <glib.h>
  37 #include <modest-runtime.h>
  38
  39 #include "modest-maemo-utils.h"
  40
  41 /*
  42  * For getting and tracking the Bluetooth name
  43  */
  44 #define BTNAME_SERVICE                  "org.bluez"
  45 #define BTNAME_REQUEST_IF               "org.bluez.Adapter"
  46 #define BTNAME_SIGNAL_IF                "org.bluez.Adapter"
  47 #define BTNAME_REQUEST_PATH             "/org/bluez/hci0"
  48 #define BTNAME_SIGNAL_PATH              "/org/bluez/hci0"
  49
  50 #define BTNAME_REQ_GET                  "GetName"
  51 #define BTNAME_SIG_CHANGED              "NameChanged"
  52
  53 #define BTNAME_MATCH_RULE "type='signal',interface='" BTNAME_SIGNAL_IF \
  54                           "',member='" BTNAME_SIG_CHANGED "'"
  55
  56
  57 static void
  58 update_device_name_from_msg (DBusMessage *message)
  59 {
  60         DBusError error;
  61         DBusMessageIter iter;
  62
  63         dbus_error_init (&error);
  64
  65         if (dbus_set_error_from_message (&error, message)) {
  66                 g_printerr ("modest: failed to get bt name: %s\n", error.message);
  67                 dbus_error_free (&error);
  68                 modest_conf_set_string (modest_runtime_get_conf(),
  69                                         MODEST_CONF_DEVICE_NAME,
  70                                         MODEST_LOCAL_FOLDERS_DEFAULT_DISPLAY_NAME,
  71                                         NULL);
  72
  73         } else {
  74                 const gchar *device_name;
  75                 if (!dbus_message_iter_init (message, &iter)) {
  76                         g_printerr ("modest: message did not have argument\n");
  77                         return;
  78                 }
  79
  80                 dbus_message_iter_get_basic (&iter, &device_name);
  81                 g_warning ("update device name: %s", device_name);
  82                 modest_conf_set_string (modest_runtime_get_conf(),
  83                                         MODEST_CONF_DEVICE_NAME, device_name,
  84                                         NULL);
  85         }
  86 }
  87
  88
  89 static void
  90 on_device_name_received (DBusPendingCall *call, void *user_data)
  91 {
  92         DBusMessage *message;
  93
  94         g_return_if_fail (dbus_pending_call_get_completed (call));
  95
  96         message = dbus_pending_call_steal_reply (call);
  97         if (!message) {
  98                 g_printerr ("modest: no reply on device name query\n");
  99                 return;
 100         }
 101
 102         update_device_name_from_msg (message);
 103         dbus_message_unref (message);
 104 }
 105
 106
 107 static DBusHandlerResult
 108 handle_dbus_signal (DBusConnection *conn, DBusMessage *msg, gpointer data)
 109 {
 110         if (dbus_message_is_signal(msg, BTNAME_SIGNAL_IF, BTNAME_SIG_CHANGED))
 111                 update_device_name_from_msg (msg);
 112
 113         return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 114 }
 115
 116
 117 static void
 118 get_device_name_from_dbus ()
 119 {
 120         static DBusConnection *conn = NULL;
 121         DBusMessage *request;
 122         DBusError error;
 123         DBusPendingCall *call = NULL;
 124
 125         g_warning ("get device name from dbus");
 126
 127         dbus_error_init (&error);
 128         if (!conn) {
 129                 conn = dbus_bus_get (DBUS_BUS_SYSTEM, &error);
 130                 if (!conn) {
 131                         g_printerr ("modest: cannot get on the dbus: %s: %s\n",
 132                                     error.name, error.message);
 133                         dbus_error_free (&error);
 134                         return;
 135                 }
 136         }
 137
 138         request = dbus_message_new_method_call (BTNAME_SERVICE, BTNAME_REQUEST_PATH,
 139                                                 BTNAME_REQUEST_IF, BTNAME_REQ_GET);
 140         if (!request) {
 141                 /* should we free the connection? */
 142                 g_printerr ("modest: dbus_message_new_method_call failed\n");
 143                 return;
 144         }
 145         dbus_message_set_auto_start (request, TRUE);
 146         if (dbus_connection_send_with_reply (conn, request, &call, -1)) {
 147                 dbus_pending_call_set_notify (call, on_device_name_received,
 148                                               NULL, NULL);
 149                 dbus_pending_call_unref (call);
 150         }
 151         dbus_message_unref (request);
 152
 153         dbus_connection_setup_with_g_main (conn, NULL);
 154         dbus_bus_add_match (conn, BTNAME_MATCH_RULE, &error);
 155         if (dbus_error_is_set(&error)) {
 156                 g_printerr ("modest: dbus_bus_add_match failed: %s\n", error.message);
 157                 dbus_error_free (&error);
 158         }
 159
 160         if (!dbus_connection_add_filter(conn, handle_dbus_signal, NULL, NULL))
 161                 g_printerr ("modest: dbus_connection_add_filter failed\n");
 162 }
 163
 164
 165 void
 166 modest_maemo_utils_get_device_name (void)
 167 {
 168         get_device_name_from_dbus ();
 169 }
 170
 171
 172