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 #include "empathy-call-utils.h"
  23
  24 #include <glib/gi18n-lib.h>
  25 #include <gtk/gtk.h>
  26 #include <telepathy-glib/telepathy-glib-dbus.h>
  27
  28 #include "empathy-request-util.h"
  29
  30 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  31 #include "empathy-debug.h"
  32
  33 static const gchar *
  34 get_error_display_message (GError *error)
  35 {
  36   if (error->domain != TP_ERROR)
  37     return _("There was an error starting the call");
  38
  39   switch (error->code)
  40     {
  41       case TP_ERROR_NETWORK_ERROR:
  42         return _("Network error");
  43       case TP_ERROR_NOT_CAPABLE:
  44         return _("The specified contact doesn't support calls");
  45       case TP_ERROR_OFFLINE:
  46         return _("The specified contact is offline");
  47       case TP_ERROR_INVALID_HANDLE:
  48         return _("The specified contact is not valid");
  49       case TP_ERROR_EMERGENCY_CALLS_NOT_SUPPORTED:
  50         return _("Emergency calls are not supported on this protocol");
  51       case TP_ERROR_INSUFFICIENT_BALANCE:
  52         return _("You don't have enough credit in order to place this call");
  53     }
  54
  55   return _("There was an error starting the call");
  56 }
  57
  58 static void
  59 show_call_error (GError *error)
  60 {
  61   GtkWidget *dialog;
  62
  63   dialog = gtk_message_dialog_new (NULL, 0,
  64       GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE,
  65       "%s", get_error_display_message (error));
  66
  67   g_signal_connect_swapped (dialog, "response",
  68       G_CALLBACK (gtk_widget_destroy),
  69       dialog);
  70
  71   gtk_widget_show (dialog);
  72 }
  73
  74 static void
  75 create_call_channel_cb (GObject *source,
  76     GAsyncResult *result,
  77     gpointer user_data)
  78 {
  79   GError *error = NULL;
  80
  81   if (tp_account_channel_request_create_channel_finish (
  82       TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
  83     return;
  84
  85   DEBUG ("Failed to create Call channel: %s", error->message);
  86
  87   show_call_error (error);
  88 }
  89
  90 TpAccountChannelRequest *
  91 empathy_call_create_call_request (TpAccount *account,
  92     const gchar *contact,
  93     gboolean initial_video,
  94     gint64 timestamp)
  95 {
  96   TpAccountChannelRequest *call_req;
  97
  98   if (initial_video)
  99     call_req = tp_account_channel_request_new_audio_video_call (account,
 100         timestamp);
 101   else
 102     call_req = tp_account_channel_request_new_audio_call (account, timestamp);
 103
 104   tp_account_channel_request_set_target_id (call_req, TP_HANDLE_TYPE_CONTACT,
 105       contact);
 106
 107   return call_req;
 108 }
 109
 110 void
 111 empathy_call_new_with_streams (const gchar *contact,
 112     TpAccount *account,
 113     gboolean initial_video,
 114     gint64 timestamp)
 115 {
 116   TpAccountChannelRequest *call_req;
 117
 118   call_req = empathy_call_create_call_request (account, contact, initial_video,
 119       timestamp);
 120
 121   tp_account_channel_request_create_channel_async (call_req,
 122       EMPATHY_CALL_TP_BUS_NAME, NULL, create_call_channel_cb, NULL);
 123
 124   g_object_unref (call_req);
 125 }
 126
 127 /* Copied from telepathy-yell call-channel.c */
 128 void
 129 empathy_call_channel_send_video (TpCallChannel *self,
 130     gboolean send)
 131 {
 132   GPtrArray *contents;
 133   gboolean found = FALSE;
 134   guint i;
 135
 136   g_return_if_fail (TP_IS_CALL_CHANNEL (self));
 137
 138   /* Loop over all the contents, if some of them a video set all their
 139    * streams to sending, otherwise request a video channel in case we want to
 140    * sent */
 141   contents = tp_call_channel_get_contents (self);
 142   for (i = 0 ; i < contents->len ; i++)
 143     {
 144       TpCallContent *content = g_ptr_array_index (contents, i);
 145
 146       if (tp_call_content_get_media_type (content) ==
 147               TP_MEDIA_STREAM_TYPE_VIDEO)
 148         {
 149           GPtrArray *streams;
 150           guint j;
 151
 152           found = TRUE;
 153           streams = tp_call_content_get_streams (content);
 154           for (j = 0; j < streams->len; j++)
 155             {
 156               TpCallStream *stream = g_ptr_array_index (streams, j);
 157
 158               tp_call_stream_set_sending_async (stream, send, NULL, NULL);
 159             }
 160         }
 161     }
 162
 163   if (send && !found)
 164     {
 165       tp_call_channel_add_content_async (self, "video",
 166           TP_MEDIA_STREAM_TYPE_VIDEO, TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL,
 167           NULL, NULL);
 168     }
 169 }
 170
 171 /* Copied from telepathy-yell call-channel.c */
 172 TpSendingState
 173 empathy_call_channel_get_video_state (TpCallChannel *self)
 174 {
 175   TpSendingState result = TP_SENDING_STATE_NONE;
 176   GPtrArray *contents;
 177   guint i;
 178
 179   g_return_val_if_fail (TP_IS_CALL_CHANNEL (self), TP_SENDING_STATE_NONE);
 180
 181   contents = tp_call_channel_get_contents (self);
 182   for (i = 0 ; i < contents->len ; i++)
 183     {
 184       TpCallContent *content = g_ptr_array_index (contents, i);
 185
 186       if (tp_call_content_get_media_type (content) ==
 187               TP_MEDIA_STREAM_TYPE_VIDEO)
 188         {
 189           GPtrArray *streams;
 190           guint j;
 191
 192           streams = tp_call_content_get_streams (content);
 193           for (j = 0; j < streams->len; j++)
 194             {
 195               TpCallStream *stream = g_ptr_array_index (streams, j);
 196               TpSendingState state;
 197
 198               state = tp_call_stream_get_local_sending_state (stream);
 199               if (state != TP_SENDING_STATE_PENDING_STOP_SENDING &&
 200                   state > result)
 201                 result = state;
 202             }
 203         }
 204     }
 205
 206   return result;
 207 }