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     }
  55
  56   return _("There was an error starting the call");
  57 }
  58
  59 static void
  60 show_call_error (GError *error)
  61 {
  62   GtkWidget *dialog;
  63
  64   dialog = gtk_message_dialog_new (NULL, 0,
  65       GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
  66       get_error_display_message (error));
  67
  68   g_signal_connect_swapped (dialog, "response",
  69       G_CALLBACK (gtk_widget_destroy),
  70       dialog);
  71
  72   gtk_widget_show (dialog);
  73 }
  74
  75 GHashTable *
  76 empathy_call_create_call_request (const gchar *contact,
  77     gboolean initial_audio,
  78     gboolean initial_video)
  79 {
  80   return tp_asv_new (
  81     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
  82       TPY_IFACE_CHANNEL_TYPE_CALL,
  83     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
  84       TP_HANDLE_TYPE_CONTACT,
  85     TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING,
  86       contact,
  87     TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_AUDIO, G_TYPE_BOOLEAN,
  88       initial_audio,
  89     TPY_PROP_CHANNEL_TYPE_CALL_INITIAL_VIDEO, G_TYPE_BOOLEAN,
  90       initial_video,
  91     NULL);
  92 }
  93
  94 GHashTable *
  95 empathy_call_create_streamed_media_request (const gchar *contact,
  96     gboolean initial_audio,
  97     gboolean initial_video)
  98 {
  99   return tp_asv_new (
 100     TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
 101       TP_IFACE_CHANNEL_TYPE_STREAMED_MEDIA,
 102     TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
 103       TP_HANDLE_TYPE_CONTACT,
 104     TP_PROP_CHANNEL_TARGET_ID, G_TYPE_STRING,
 105       contact,
 106     TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_AUDIO, G_TYPE_BOOLEAN,
 107       initial_audio,
 108     TP_PROP_CHANNEL_TYPE_STREAMED_MEDIA_INITIAL_VIDEO, G_TYPE_BOOLEAN,
 109       initial_video,
 110     NULL);
 111 }
 112
 113 static void
 114 create_call_channel_cb (GObject *source,
 115     GAsyncResult *result,
 116     gpointer user_data)
 117 {
 118   GError *error = NULL;
 119
 120   if (!tp_account_channel_request_create_channel_finish (
 121            TP_ACCOUNT_CHANNEL_REQUEST (source),
 122            result,
 123            &error))
 124     {
 125       DEBUG ("Failed to create Call channel: %s", error->message);
 126       show_call_error (error);
 127       g_error_free (error);
 128     }
 129 }
 130
 131 static void
 132 create_streamed_media_channel_cb (GObject *source,
 133     GAsyncResult *result,
 134     gpointer user_data)
 135 {
 136   TpAccountChannelRequest *call_req = user_data;
 137   GError *error = NULL;
 138
 139   if (tp_account_channel_request_create_channel_finish (
 140       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
 141     {
 142       g_object_unref (call_req);
 143       return;
 144     }
 145
 146   DEBUG ("Failed to create StreamedMedia channel: %s", error->message);
 147
 148   if (error->code != TP_ERROR_NOT_IMPLEMENTED)
 149     {
 150       show_call_error (error);
 151       return;
 152     }
 153
 154   DEBUG ("Let's try with a Call channel");
 155   g_error_free (error);
 156   tp_account_channel_request_create_channel_async (call_req,
 157       EMPATHY_CALL_BUS_NAME, NULL,
 158       create_call_channel_cb,
 159       NULL);
 160 }
 161
 162 void
 163 empathy_call_new_with_streams (const gchar *contact,
 164     TpAccount *account,
 165     gboolean initial_audio,
 166     gboolean initial_video,
 167     gint64 timestamp)
 168 {
 169   GHashTable *call_request, *streamed_media_request;
 170   TpAccountChannelRequest *call_req, *streamed_media_req;
 171
 172   call_request = empathy_call_create_call_request (contact,
 173       initial_audio,
 174       initial_video);
 175
 176   streamed_media_request = empathy_call_create_streamed_media_request (
 177       contact, initial_audio, initial_video);
 178
 179   call_req = tp_account_channel_request_new (account, call_request, timestamp);
 180   streamed_media_req = tp_account_channel_request_new (account,
 181       streamed_media_request,
 182       timestamp);
 183
 184   tp_account_channel_request_create_channel_async (streamed_media_req,
 185       EMPATHY_AV_BUS_NAME, NULL,
 186       create_streamed_media_channel_cb,
 187       call_req);
 188
 189   g_hash_table_unref (call_request);
 190   g_hash_table_unref (streamed_media_request);
 191   g_object_unref (streamed_media_req);
 192 }