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 <gdk/gdkx.h>
  32 #include <X11/Xlib.h>
  33 #endif
  34
  35 #include "empathy-bus-names.h"
  36 #include "empathy-call-factory.h"
  37 #include "empathy-call-window.h"
  38 #include "empathy-ui-utils.h"
  39
  40 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  41 #include "empathy-debug.h"
  42
  43 /* Exit after $TIMEOUT seconds if not displaying any call window */
  44 #define TIMEOUT 60
  45
  46 static GtkApplication *app = NULL;
  47 static gboolean activated = FALSE;
  48 static gboolean use_timer = TRUE;
  49 static guint inhibit_id = 0;
  50
  51 static EmpathyCallFactory *call_factory = NULL;
  52
  53 /* An EmpathyContact -> EmpathyCallWindow hash table for all existing
  54  * Call windows. We own a ref on the EmpathyContacts. */
  55 static GHashTable *call_windows;
  56
  57 static void
  58 call_window_destroyed_cb (GtkWidget *window,
  59     EmpathyContact *contact)
  60 {
  61   g_hash_table_remove (call_windows, contact);
  62
  63   g_application_release (G_APPLICATION (app));
  64 }
  65
  66 static gboolean
  67 find_window_for_handle (gpointer key,
  68     gpointer value,
  69     gpointer user_data)
  70 {
  71   EmpathyContact *contact = key;
  72   guint handle = GPOINTER_TO_UINT (user_data);
  73
  74   if (handle == empathy_contact_get_handle (contact))
  75     return TRUE;
  76
  77   return FALSE;
  78 }
  79
  80 static gboolean
  81 incoming_call_cb (EmpathyCallFactory *factory,
  82     guint handle,
  83     TpCallChannel *channel,
  84     TpChannelDispatchOperation *dispatch_operation,
  85     TpAddDispatchOperationContext *context,
  86     gpointer user_data)
  87 {
  88   EmpathyCallWindow *window = g_hash_table_find (call_windows,
  89       find_window_for_handle, GUINT_TO_POINTER (handle));
  90
  91   if (window != NULL)
  92     {
  93       /* The window takes care of accepting or rejecting the context. */
  94       empathy_call_window_start_ringing (window,
  95           channel, dispatch_operation, context);
  96       return TRUE;
  97     }
  98
  99   return FALSE;
 100 }
 101
 102 static void
 103 call_window_inhibit_cb (EmpathyCallWindow *window,
 104     gboolean inhibit,
 105     gpointer user_data)
 106 {
 107   if (inhibit)
 108     {
 109       if (inhibit_id != 0)
 110         return;
 111
 112       inhibit_id = gtk_application_inhibit (GTK_APPLICATION (app),
 113           GTK_WINDOW (window),
 114           GTK_APPLICATION_INHIBIT_LOGOUT | GTK_APPLICATION_INHIBIT_SWITCH |
 115           GTK_APPLICATION_INHIBIT_SUSPEND | GTK_APPLICATION_INHIBIT_IDLE,
 116           _("In a call"));
 117     }
 118   else
 119     {
 120       if (inhibit_id == 0)
 121         return;
 122
 123       gtk_application_uninhibit (GTK_APPLICATION (app), inhibit_id);
 124       inhibit_id = 0;
 125     }
 126 }
 127
 128 static void
 129 new_call_handler_cb (EmpathyCallFactory *factory,
 130     EmpathyCallHandler *handler,
 131     gint64 user_action_time,
 132     gpointer user_data)
 133 {
 134   EmpathyCallWindow *window;
 135   EmpathyContact *contact;
 136   guint32 x11_time;
 137   gboolean present;
 138
 139   DEBUG ("Show the call window");
 140
 141   contact = empathy_call_handler_get_contact (handler);
 142
 143   window = g_hash_table_lookup (call_windows, contact);
 144
 145   present = tp_user_action_time_should_present (user_action_time,
 146       &x11_time);
 147
 148   if (window != NULL)
 149     {
 150       empathy_call_window_new_handler (window, handler, present, x11_time);
 151     }
 152   else
 153     {
 154       window = empathy_call_window_new (handler);
 155
 156       g_hash_table_insert (call_windows, g_object_ref (contact), window);
 157       g_application_hold (G_APPLICATION (app));
 158       g_signal_connect (window, "destroy",
 159           G_CALLBACK (call_window_destroyed_cb), contact);
 160       g_signal_connect (window, "inhibit",
 161           G_CALLBACK (call_window_inhibit_cb), NULL);
 162
 163       gtk_widget_show (GTK_WIDGET (window));
 164
 165       if (present)
 166         tpaw_window_present_with_time (GTK_WINDOW (window), x11_time);
 167     }
 168 }
 169
 170 static void
 171 activate_cb (GApplication *application)
 172 {
 173   GError *error = NULL;
 174
 175   if (activated)
 176     return;
 177
 178   activated = TRUE;
 179
 180   if (!use_timer)
 181     {
 182       /* keep a 'ref' to the application */
 183       g_application_hold (G_APPLICATION (app));
 184     }
 185
 186   g_assert (call_factory == NULL);
 187   call_factory = empathy_call_factory_initialise ();
 188
 189   g_signal_connect (G_OBJECT (call_factory), "new-call-handler",
 190       G_CALLBACK (new_call_handler_cb), NULL);
 191   g_signal_connect (G_OBJECT (call_factory), "incoming-call",
 192       G_CALLBACK (incoming_call_cb), NULL);
 193
 194   if (!empathy_call_factory_register (call_factory, &error))
 195     {
 196       g_critical ("Failed to register Handler: %s", error->message);
 197       g_error_free (error);
 198     }
 199 }
 200
 201 int
 202 main (int argc,
 203     char *argv[])
 204 {
 205   GOptionContext *optcontext;
 206   GOptionEntry options[] = {
 207       { NULL }
 208   };
 209 #ifdef ENABLE_DEBUG
 210   TpDebugSender *debug_sender;
 211 #endif
 212   GError *error = NULL;
 213   gint retval;
 214   GtkSettings *gtk_settings;
 215
 216   g_setenv ("GST_DEBUG_DUMP_DOT_DIR", g_get_tmp_dir (), FALSE);
 217
 218 #ifdef GDK_WINDOWING_X11
 219   if (GDK_IS_X11_DISPLAY (gdk_display_get_default ())) {
 220     /* We can't call clutter_gst_init() before gtk_clutter_init(), so no choice
 221      * but to intiialise X11 threading ourself */
 222     XInitThreads ();
 223   }
 224 #endif
 225
 226   optcontext = g_option_context_new (N_("- Empathy Audio/Video Client"));
 227   g_option_context_add_group (optcontext, gst_init_get_option_group ());
 228   g_option_context_add_group (optcontext, gtk_get_option_group (TRUE));
 229   g_option_context_add_group (optcontext, cogl_get_option_group ());
 230   g_option_context_add_group (optcontext,
 231       clutter_get_option_group_without_init ());
 232   g_option_context_add_group (optcontext, gtk_clutter_get_option_group ());
 233   g_option_context_add_main_entries (optcontext, options, GETTEXT_PACKAGE);
 234   g_option_context_set_translation_domain (optcontext, GETTEXT_PACKAGE);
 235
 236   if (!g_option_context_parse (optcontext, &argc, &argv, &error)) {
 237     g_print ("%s\nRun '%s --help' to see a full list of available command "
 238         "line options.\n",
 239         error->message, argv[0]);
 240     g_warning ("Error in empathy-call init: %s", error->message);
 241     return EXIT_FAILURE;
 242   }
 243
 244   g_option_context_free (optcontext);
 245
 246   clutter_gst_init (&argc, &argv);
 247
 248   empathy_gtk_init ();
 249   textdomain (GETTEXT_PACKAGE);
 250   g_set_application_name (_("Empathy Audio/Video Client"));
 251
 252   /* Make empathy and empathy-call appear as the same app in gnome-shell */
 253   g_set_prgname ("empathy");
 254   gtk_window_set_default_icon_name ("empathy");
 255
 256   gtk_settings = gtk_settings_get_default ();
 257   g_object_set (G_OBJECT (gtk_settings), "gtk-application-prefer-dark-theme",
 258       TRUE, NULL);
 259
 260   app = gtk_application_new (EMPATHY_CALL_BUS_NAME, G_APPLICATION_FLAGS_NONE);
 261   g_signal_connect (app, "activate", G_CALLBACK (activate_cb), NULL);
 262
 263 #ifdef ENABLE_DEBUG
 264   /* Set up debug sender */
 265   debug_sender = tp_debug_sender_dup ();
 266   g_log_set_default_handler (tp_debug_sender_log_handler, G_LOG_DOMAIN);
 267 #endif
 268
 269   if (g_getenv ("EMPATHY_PERSIST") != NULL)
 270     {
 271       DEBUG ("Disable timer");
 272
 273       use_timer = FALSE;
 274     }
 275
 276   call_windows = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 277       g_object_unref, NULL);
 278
 279   /* the inactivity timeout can only be set while the application is held */
 280   g_application_hold (G_APPLICATION (app));
 281   g_application_set_inactivity_timeout (G_APPLICATION (app), TIMEOUT * 1000);
 282   g_application_release (G_APPLICATION (app));
 283
 284   retval = g_application_run (G_APPLICATION (app), argc, argv);
 285
 286   g_hash_table_unref (call_windows);
 287   g_object_unref (app);
 288   tp_clear_object (&call_factory);
 289
 290 #ifdef ENABLE_DEBUG
 291   g_object_unref (debug_sender);
 292 #endif
 293
 294   return retval;
 295 }