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.h>
  26 #include <glib/gi18n.h>
  27 #include <gtk/gtk.h>
  28
  29 #include <clutter/clutter.h>
  30 #include <clutter-gtk/clutter-gtk.h>
  31 #include <clutter-gst/clutter-gst.h>
  32
  33 #ifdef CLUTTER_WINDOWING_X11
  34 #include <X11/Xlib.h>
  35 #endif
  36
  37 #include <telepathy-glib/debug-sender.h>
  38
  39 #include <libempathy/empathy-client-factory.h>
  40
  41 #include <libempathy-gtk/empathy-ui-utils.h>
  42
  43 #include "empathy-call-window.h"
  44 #include "empathy-call-factory.h"
  45
  46 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  47 #include <libempathy/empathy-debug.h>
  48
  49 #include <gst/gst.h>
  50
  51 /* Exit after $TIMEOUT seconds if not displaying any call window */
  52 #define TIMEOUT 60
  53
  54 #define EMPATHY_CALL_DBUS_NAME "org.gnome.Empathy.Call"
  55
  56 static GtkApplication *app = NULL;
  57 static gboolean activated = FALSE;
  58 static gboolean use_timer = TRUE;
  59
  60 static EmpathyCallFactory *call_factory = NULL;
  61
  62 /* An EmpathyContact -> EmpathyCallWindow hash table for all existing
  63  * Call windows. We own a ref on the EmpathyContacts. */
  64 static GHashTable *call_windows;
  65
  66 static void
  67 call_window_destroyed_cb (GtkWidget *window,
  68     EmpathyContact *contact)
  69 {
  70   g_hash_table_remove (call_windows, contact);
  71
  72   g_application_release (G_APPLICATION (app));
  73 }
  74
  75 static gboolean
  76 find_window_for_handle (gpointer key,
  77     gpointer value,
  78     gpointer user_data)
  79 {
  80   EmpathyContact *contact = key;
  81   guint handle = GPOINTER_TO_UINT (user_data);
  82
  83   if (handle == empathy_contact_get_handle (contact))
  84     return TRUE;
  85
  86   return FALSE;
  87 }
  88
  89 static gboolean
  90 incoming_call_cb (EmpathyCallFactory *factory,
  91     guint handle,
  92     TpCallChannel *channel,
  93     TpChannelDispatchOperation *dispatch_operation,
  94     TpAddDispatchOperationContext *context,
  95     gpointer user_data)
  96 {
  97   EmpathyCallWindow *window = g_hash_table_find (call_windows,
  98       find_window_for_handle, GUINT_TO_POINTER (handle));
  99
 100   if (window != NULL)
 101     {
 102       /* The window takes care of accepting or rejecting the context. */
 103       empathy_call_window_start_ringing (window,
 104           channel, dispatch_operation, context);
 105       return TRUE;
 106     }
 107
 108   return FALSE;
 109 }
 110
 111 static void
 112 new_call_handler_cb (EmpathyCallFactory *factory,
 113     EmpathyCallHandler *handler,
 114     gboolean outgoing,
 115     gpointer user_data)
 116 {
 117   EmpathyCallWindow *window;
 118   EmpathyContact *contact;
 119
 120   DEBUG ("Show the call window");
 121
 122   contact = empathy_call_handler_get_contact (handler);
 123
 124   window = g_hash_table_lookup (call_windows, contact);
 125
 126   if (window != NULL)
 127     {
 128       empathy_call_window_present (window, handler);
 129     }
 130   else
 131     {
 132       window = empathy_call_window_new (handler);
 133
 134       g_hash_table_insert (call_windows, g_object_ref (contact), window);
 135       g_application_hold (G_APPLICATION (app));
 136       g_signal_connect (window, "destroy",
 137           G_CALLBACK (call_window_destroyed_cb), contact);
 138
 139       gtk_widget_show (GTK_WIDGET (window));
 140     }
 141 }
 142
 143 static void
 144 activate_cb (GApplication *application)
 145 {
 146   GError *error = NULL;
 147
 148   if (activated)
 149     return;
 150
 151   activated = TRUE;
 152
 153   if (!use_timer)
 154     {
 155       /* keep a 'ref' to the application */
 156       g_application_hold (G_APPLICATION (app));
 157     }
 158
 159   g_assert (call_factory == NULL);
 160   call_factory = empathy_call_factory_initialise ();
 161
 162   g_signal_connect (G_OBJECT (call_factory), "new-call-handler",
 163       G_CALLBACK (new_call_handler_cb), NULL);
 164   g_signal_connect (G_OBJECT (call_factory), "incoming-call",
 165       G_CALLBACK (incoming_call_cb), NULL);
 166
 167   if (!empathy_call_factory_register (call_factory, &error))
 168     {
 169       g_critical ("Failed to register Handler: %s", error->message);
 170       g_error_free (error);
 171     }
 172 }
 173
 174 int
 175 main (int argc,
 176     char *argv[])
 177 {
 178   GOptionContext *optcontext;
 179   GOptionEntry options[] = {
 180       { NULL }
 181   };
 182 #ifdef ENABLE_DEBUG
 183   TpDebugSender *debug_sender;
 184 #endif
 185   GError *error = NULL;
 186   gint retval;
 187   GtkSettings *gtk_settings;
 188
 189   /* Init */
 190   g_thread_init (NULL);
 191
 192 #ifdef GDK_WINDOWING_X11
 193   /* We can't call clutter_gst_init() before gtk_clutter_init(), so no choice
 194    * but to intiialise X11 threading ourself */
 195   XInitThreads ();
 196 #endif
 197
 198   /* Clutter needs this */
 199   gdk_disable_multidevice ();
 200
 201   optcontext = g_option_context_new (N_("- Empathy Audio/Video Client"));
 202   g_option_context_add_group (optcontext, gst_init_get_option_group ());
 203   g_option_context_add_group (optcontext, gtk_get_option_group (TRUE));
 204   g_option_context_add_group (optcontext, cogl_get_option_group ());
 205   g_option_context_add_group (optcontext,
 206       clutter_get_option_group_without_init ());
 207   g_option_context_add_group (optcontext, gtk_clutter_get_option_group ());
 208   g_option_context_add_main_entries (optcontext, options, GETTEXT_PACKAGE);
 209
 210   if (!g_option_context_parse (optcontext, &argc, &argv, &error)) {
 211     g_print ("%s\nRun '%s --help' to see a full list of available command "
 212         "line options.\n",
 213         error->message, argv[0]);
 214     g_warning ("Error in empathy-call init: %s", error->message);
 215     return EXIT_FAILURE;
 216   }
 217
 218   g_option_context_free (optcontext);
 219
 220   clutter_gst_init (&argc, &argv);
 221
 222   empathy_gtk_init ();
 223   g_set_application_name (_("Empathy Audio/Video Client"));
 224
 225   /* Make empathy and empathy-call appear as the same app in gnome-shell */
 226   gdk_set_program_class ("Empathy");
 227   gtk_window_set_default_icon_name ("empathy");
 228   textdomain (GETTEXT_PACKAGE);
 229
 230   gtk_settings = gtk_settings_get_default ();
 231   g_object_set (G_OBJECT (gtk_settings), "gtk-application-prefer-dark-theme",
 232       TRUE, NULL);
 233
 234   app = gtk_application_new (EMPATHY_CALL_DBUS_NAME, G_APPLICATION_FLAGS_NONE);
 235   g_signal_connect (app, "activate", G_CALLBACK (activate_cb), NULL);
 236
 237 #ifdef ENABLE_DEBUG
 238   /* Set up debug sender */
 239   debug_sender = tp_debug_sender_dup ();
 240   g_log_set_default_handler (tp_debug_sender_log_handler, G_LOG_DOMAIN);
 241 #endif
 242
 243   if (g_getenv ("EMPATHY_PERSIST") != NULL)
 244     {
 245       DEBUG ("Disable timer");
 246
 247       use_timer = FALSE;
 248     }
 249
 250   call_windows = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 251       g_object_unref, NULL);
 252
 253   /* the inactivity timeout can only be set while the application is held */
 254   g_application_hold (G_APPLICATION (app));
 255   g_application_set_inactivity_timeout (G_APPLICATION (app), TIMEOUT * 1000);
 256   g_application_release (G_APPLICATION (app));
 257
 258   retval = g_application_run (G_APPLICATION (app), argc, argv);
 259
 260   g_hash_table_unref (call_windows);
 261   g_object_unref (app);
 262   tp_clear_object (&call_factory);
 263
 264 #ifdef ENABLE_DEBUG
 265   g_object_unref (debug_sender);
 266 #endif
 267
 268   return retval;
 269 }