libempathy-gtk/empathy-call-utils.c

   1 /*
   2  * Copyright (C) 2011 Collabora Ltd.
   3  *
   4  * The code contained in this file is free software; you can redistribute
   5  * it and/or modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either version
   7  * 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This file 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 code; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  * Authors: Emilio Pozuelo Monfort <emilio.pozuelo@collabora.co.uk>
  19  */
  20
  21 #include "config.h"
  22
  23 #include <glib/gi18n.h>
  24
  25 #include <gtk/gtk.h>
  26
  27 #include <telepathy-glib/telepathy-glib.h>
  28
  29 #include <telepathy-yell/telepathy-yell.h>
  30
  31 #include "empathy-call-utils.h"
  32
  33 #include <libempathy/empathy-request-util.h>
  34
  35 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  36 #include <libempathy/empathy-debug.h>
  37
  38 static const gchar *
  39 get_error_display_message (GError *error)
  40 {
  41   if (error->domain != TP_ERROR)
  42     return _("There was an error starting the call");
  43
  44   switch (error->code)
  45     {
  46       case TP_ERROR_NETWORK_ERROR:
  47         return _("Network error");
  48       case TP_ERROR_NOT_CAPABLE:
  49         return _("The specified contact doesn't support calls");
  50       case TP_ERROR_OFFLINE:
  51         return _("The specified contact is offline");
  52       case TP_ERROR_INVALID_HANDLE:
  53         return _("The specified contact is not valid");
  54       case TP_ERROR_EMERGENCY_CALLS_NOT_SUPPORTED:
  55         return _("Emergency calls are not supported on this protocol");
  56     }
  57
  58   return _("There was an error starting the call");
  59 }
  60
  61 static void
  62 show_call_error (GError *error)
  63 {
  64   GtkWidget *dialog;
  65
  66   dialog = gtk_message_dialog_new (NULL, 0,
  67       GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
  68       "%s", get_error_display_message (error));
  69
  70   g_signal_connect_swapped (dialog, "response",
  71       G_CALLBACK (gtk_widget_destroy),
  72       dialog);
  73
  74   gtk_widget_show (dialog);
  75 }
  76
  77 GHashTable *
  78 empathy_call_create_call_request (const gchar *contact,
  79     gboolean initial_audio,
  80     gboolean initial_video)
  81 {
  82   return tp_asv_new (
  83     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
  84       TPY_IFACE_CHANNEL_TYPE_CALL,
  85     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
  86       TP_HANDLE_TYPE_CONTACT,
  87     TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING,
  88       contact,
  89     TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN,
  90       initial_audio,
  91     TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN,
  92       initial_video,
  93     NULL);
  94 }
  95
  96 GHashTable *
  97 empathy_call_create_streamed_media_request (const gchar *contact,
  98     gboolean initial_audio,
  99     gboolean initial_video)
 100 {
 101   return tp_asv_new (
 102     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 103       TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 104     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 105       TP_HANDLE_TYPE_CONTACT,
 106     TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING,
 107       contact,
 108     TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, G_TYPE_BOOLEAN,
 109       initial_audio,
 110     TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, G_TYPE_BOOLEAN,
 111       initial_video,
 112     NULL);
 113 }
 114
 115 static void
 116 create_call_channel_cb (GObject *source,
 117     GAsyncResult *result,
 118     gpointer user_data)
 119 {
 120   GError *error = NULL;
 121
 122   if (!tp_account_channel_request_create_channel_finish (
 123            TP_ACCOUNT_CHANNEL_REQUEST (source),
 124            result,
 125            &error))
 126     {
 127       DEBUG ("Failed to create Call channel: %s", error->message);
 128       show_call_error (error);
 129       g_error_free (error);
 130     }
 131 }
 132
 133 static void
 134 create_streamed_media_channel_cb (GObject *source,
 135     GAsyncResult *result,
 136     gpointer user_data)
 137 {
 138   TpAccountChannelRequest *call_req = user_data;
 139   GError *error = NULL;
 140
 141   if (tp_account_channel_request_create_channel_finish (
 142       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 143     {
 144       g_object_unref (call_req);
 145       return;
 146     }
 147
 148   DEBUG ("Failed to create StreamedMedia channel: %s", error->message);
 149
 150   if (error->code != TP_ERROR_NOT_IMPLEMENTED)
 151     {
 152       show_call_error (error);
 153       return;
 154     }
 155
 156   DEBUG ("Let's try with a Call channel");
 157   g_error_free (error);
 158   tp_account_channel_request_create_channel_async (call_req,
 159       EMPATHY_CALL_BUS_NAME, NULL,
 160       create_call_channel_cb,
 161       NULL);
 162 }
 163
 164 void
 165 empathy_call_new_with_streams (const gchar *contact,
 166     TpAccount *account,
 167     gboolean initial_audio,
 168     gboolean initial_video,
 169     gint64 timestamp)
 170 {
 171   GHashTable *call_request, *streamed_media_request;
 172   TpAccountChannelRequest *call_req, *streamed_media_req;
 173
 174   call_request = empathy_call_create_call_request (contact,
 175       initial_audio,
 176       initial_video);
 177
 178   streamed_media_request = empathy_call_create_streamed_media_request (
 179       contact, initial_audio, initial_video);
 180
 181   call_req = tp_account_channel_request_new (account, call_request, timestamp);
 182   streamed_media_req = tp_account_channel_request_new (account,
 183       streamed_media_request,
 184       timestamp);
 185
 186   tp_account_channel_request_create_channel_async (streamed_media_req,
 187       EMPATHY_AV_BUS_NAME, NULL,
 188       create_streamed_media_channel_cb,
 189       call_req);
 190
 191   g_hash_table_unref (call_request);
 192   g_hash_table_unref (streamed_media_request);
 193   g_object_unref (streamed_media_req);
 194 }