src/empathy-call.c

   1 /*
   2  * Copyright (C) 2007-2011 Collabora Ltd.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program 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  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public
  15  * License along with this program; if not, write to the
  16  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  17  * Boston, MA  02110-1301  USA
  18  *
  19  * Authors: Xavier Claessens <xclaesse@gmail.com>
  20  *          Guillaume Desmottes <guillaume.desmottes@collabora.co.uk>
  21  */
  22
  23 #include "config.h"
  24
  25 #include <glib/gi18n.h>
  26 #include <clutter-gtk/clutter-gtk.h>
  27 #include <clutter-gst/clutter-gst.h>
  28 #include <tp-account-widgets/tpaw-utils.h>
  29
  30 #ifdef CLUTTER_WINDOWING_X11
  31 #include <X11/Xlib.h>
  32 #endif
  33
  34 #include "empathy-bus-names.h"
  35 #include "empathy-call-factory.h"
  36 #include "empathy-call-window.h"
  37 #include "empathy-ui-utils.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  40 #include "empathy-debug.h"
  41
  42 /* Exit after $TIMEOUT seconds if not displaying any call window */
  43 #define TIMEOUT 60
  44
  45 static GtkApplication *app = NULL;
  46 static gboolean activated = FALSE;
  47 static gboolean use_timer = TRUE;
  48 static guint inhibit_id = 0;
  49
  50 static EmpathyCallFactory *call_factory = NULL;
  51
  52 /* An EmpathyContact -> EmpathyCallWindow hash table for all existing
  53  * Call windows. We own a ref on the EmpathyContacts. */
  54 static GHashTable *call_windows;
  55
  56 static void
  57 call_window_destroyed_cb (GtkWidget *window,
  58     EmpathyContact *contact)
  59 {
  60   g_hash_table_remove (call_windows, contact);
  61
  62   g_application_release (G_APPLICATION (app));
  63 }
  64
  65 static gboolean
  66 find_window_for_handle (gpointer key,
  67     gpointer value,
  68     gpointer user_data)
  69 {
  70   EmpathyContact *contact = key;
  71   guint handle = GPOINTER_TO_UINT (user_data);
  72
  73   if (handle == empathy_contact_get_handle (contact))
  74     return TRUE;
  75
  76   return FALSE;
  77 }
  78
  79 static gboolean
  80 incoming_call_cb (EmpathyCallFactory *factory,
  81     guint handle,
  82     TpCallChannel *channel,
  83     TpChannelDispatchOperation *dispatch_operation,
  84     TpAddDispatchOperationContext *context,
  85     gpointer user_data)
  86 {
  87   EmpathyCallWindow *window = g_hash_table_find (call_windows,
  88       find_window_for_handle, GUINT_TO_POINTER (handle));
  89
  90   if (window != NULL)
  91     {
  92       /* The window takes care of accepting or rejecting the context. */
  93       empathy_call_window_start_ringing (window,
  94           channel, dispatch_operation, context);
  95       return TRUE;
  96     }
  97
  98   return FALSE;
  99 }
 100
 101 static void
 102 call_window_inhibit_cb (EmpathyCallWindow *window,
 103     gboolean inhibit,
 104     gpointer user_data)
 105 {
 106   if (inhibit)
 107     {
 108       if (inhibit_id != 0)
 109         return;
 110
 111       inhibit_id = gtk_application_inhibit (GTK_APPLICATION (app),
 112           GTK_WINDOW (window),
 113           GTK_APPLICATION_INHIBIT_LOGOUT | GTK_APPLICATION_INHIBIT_SWITCH |
 114           GTK_APPLICATION_INHIBIT_SUSPEND | GTK_APPLICATION_INHIBIT_IDLE,
 115           _("In a call"));
 116     }
 117   else
 118     {
 119       if (inhibit_id == 0)
 120         return;
 121
 122       gtk_application_uninhibit (GTK_APPLICATION (app), inhibit_id);
 123       inhibit_id = 0;
 124     }
 125 }
 126
 127 static void
 128 new_call_handler_cb (EmpathyCallFactory *factory,
 129     EmpathyCallHandler *handler,
 130     gint64 user_action_time,
 131     gpointer user_data)
 132 {
 133   EmpathyCallWindow *window;
 134   EmpathyContact *contact;
 135   guint32 x11_time;
 136   gboolean present;
 137
 138   DEBUG ("Show the call window");
 139
 140   contact = empathy_call_handler_get_contact (handler);
 141
 142   window = g_hash_table_lookup (call_windows, contact);
 143
 144   present = tp_user_action_time_should_present (user_action_time,
 145       &x11_time);
 146
 147   if (window != NULL)
 148     {
 149       empathy_call_window_new_handler (window, handler, present, x11_time);
 150     }
 151   else
 152     {
 153       window = empathy_call_window_new (handler);
 154
 155       g_hash_table_insert (call_windows, g_object_ref (contact), window);
 156       g_application_hold (G_APPLICATION (app));
 157       g_signal_connect (window, "destroy",
 158           G_CALLBACK (call_window_destroyed_cb), contact);
 159       g_signal_connect (window, "inhibit",
 160           G_CALLBACK (call_window_inhibit_cb), NULL);
 161
 162       gtk_widget_show (GTK_WIDGET (window));
 163
 164       if (present)
 165         tpaw_window_present_with_time (GTK_WINDOW (window), x11_time);
 166     }
 167 }
 168
 169 static void
 170 activate_cb (GApplication *application)
 171 {
 172   GError *error = NULL;
 173
 174   if (activated)
 175     return;
 176
 177   activated = TRUE;
 178
 179   if (!use_timer)
 180     {
 181       /* keep a 'ref' to the application */
 182       g_application_hold (G_APPLICATION (app));
 183     }
 184
 185   g_assert (call_factory == NULL);
 186   call_factory = empathy_call_factory_initialise ();
 187
 188   g_signal_connect (G_OBJECT (call_factory), "new-call-handler",
 189       G_CALLBACK (new_call_handler_cb), NULL);
 190   g_signal_connect (G_OBJECT (call_factory), "incoming-call",
 191       G_CALLBACK (incoming_call_cb), NULL);
 192
 193   if (!empathy_call_factory_register (call_factory, &error))
 194     {
 195       g_critical ("Failed to register Handler: %s", error->message);
 196       g_error_free (error);
 197     }
 198 }
 199
 200 int
 201 main (int argc,
 202     char *argv[])
 203 {
 204   GOptionContext *optcontext;
 205   GOptionEntry options[] = {
 206       { NULL }
 207   };
 208 #ifdef ENABLE_DEBUG
 209   TpDebugSender *debug_sender;
 210 #endif
 211   GError *error = NULL;
 212   gint retval;
 213   GtkSettings *gtk_settings;
 214
 215   g_setenv ("GST_DEBUG_DUMP_DOT_DIR", g_get_tmp_dir (), FALSE);
 216
 217 #ifdef GDK_WINDOWING_X11
 218   /* We can't call clutter_gst_init() before gtk_clutter_init(), so no choice
 219    * but to intiialise X11 threading ourself */
 220   XInitThreads ();
 221 #endif
 222
 223   optcontext = g_option_context_new (N_("— Empathy Audio/Video Client"));
 224   g_option_context_add_group (optcontext, gst_init_get_option_group ());
 225   g_option_context_add_group (optcontext, gtk_get_option_group (TRUE));
 226   g_option_context_add_group (optcontext, cogl_get_option_group ());
 227   g_option_context_add_group (optcontext,
 228       clutter_get_option_group_without_init ());
 229   g_option_context_add_group (optcontext, gtk_clutter_get_option_group ());
 230   g_option_context_add_main_entries (optcontext, options, GETTEXT_PACKAGE);
 231   g_option_context_set_translation_domain (optcontext, GETTEXT_PACKAGE);
 232
 233   if (!g_option_context_parse (optcontext, &argc, &argv, &error)) {
 234     g_print ("%s\nRun '%s --help' to see a full list of available command "
 235         "line options.\n",
 236         error->message, argv[0]);
 237     g_warning ("Error in empathy-call init: %s", error->message);
 238     return EXIT_FAILURE;
 239   }
 240
 241   g_option_context_free (optcontext);
 242
 243   clutter_gst_init (&argc, &argv);
 244
 245   empathy_gtk_init ();
 246   textdomain (GETTEXT_PACKAGE);
 247   g_set_application_name (_("Empathy Audio/Video Client"));
 248
 249   /* Make empathy and empathy-call appear as the same app in gnome-shell */
 250   g_set_prgname ("empathy");
 251   gtk_window_set_default_icon_name ("empathy");
 252
 253   gtk_settings = gtk_settings_get_default ();
 254   g_object_set (G_OBJECT (gtk_settings), "gtk-application-prefer-dark-theme",
 255       TRUE, NULL);
 256
 257   app = gtk_application_new (EMPATHY_CALL_BUS_NAME, G_APPLICATION_FLAGS_NONE);
 258   g_signal_connect (app, "activate", G_CALLBACK (activate_cb), NULL);
 259
 260 #ifdef ENABLE_DEBUG
 261   /* Set up debug sender */
 262   debug_sender = tp_debug_sender_dup ();
 263   g_log_set_default_handler (tp_debug_sender_log_handler, G_LOG_DOMAIN);
 264 #endif
 265
 266   if (g_getenv ("EMPATHY_PERSIST") != NULL)
 267     {
 268       DEBUG ("Disable timer");
 269
 270       use_timer = FALSE;
 271     }
 272
 273   call_windows = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 274       g_object_unref, NULL);
 275
 276   /* the inactivity timeout can only be set while the application is held */
 277   g_application_hold (G_APPLICATION (app));
 278   g_application_set_inactivity_timeout (G_APPLICATION (app), TIMEOUT * 1000);
 279   g_application_release (G_APPLICATION (app));
 280
 281   retval = g_application_run (G_APPLICATION (app), argc, argv);
 282
 283   g_hash_table_unref (call_windows);
 284   g_object_unref (app);
 285   tp_clear_object (&call_factory);
 286
 287 #ifdef ENABLE_DEBUG
 288   g_object_unref (debug_sender);
 289 #endif
 290
 291   return retval;
 292 }