src/empathy-call-window.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Copyright (C) 2007 Elliot Fairweather
   4  * Copyright (C) 2007-2008 Collabora Ltd.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  * Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  21  *          Xavier Claessens <xclaesse@gmail.com>
  22  */
  23
  24 #include <string.h>
  25
  26 #include <glade/glade.h>
  27 #include <glib/gi18n.h>
  28
  29 #include <telepathy-glib/enums.h>
  30
  31 #include <libempathy/empathy-contact.h>
  32 #include <libempathy/empathy-tp-call.h>
  33 #include <libempathy/empathy-tp-group.h>
  34 #include <libempathy/empathy-utils.h>
  35 #include <libempathy-gtk/empathy-ui-utils.h>
  36
  37 #include "empathy-call-window.h"
  38
  39 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  40 #include <libempathy/empathy-debug.h>
  41
  42 typedef struct
  43 {
  44   EmpathyTpCall *call;
  45   GTimeVal start_time;
  46   guint timeout_event_id;
  47   gboolean is_drawing;
  48   guint status;
  49
  50   GtkWidget *window;
  51   GtkWidget *main_hbox;
  52   GtkWidget *controls_vbox;
  53   GtkWidget *volume_hbox;
  54   GtkWidget *status_label;
  55   GtkWidget *input_volume_button;
  56   GtkWidget *output_volume_button;
  57   GtkWidget *preview_video_socket;
  58   GtkWidget *output_video_socket;
  59   GtkWidget *video_button;
  60   GtkWidget *hang_up_button;
  61   GtkWidget *confirmation_dialog;
  62   GtkWidget *keypad_expander;
  63 } EmpathyCallWindow;
  64
  65 static void call_window_update (EmpathyCallWindow *window);
  66
  67 static GSList *windows = NULL;
  68
  69 static gboolean
  70 call_window_update_timer (gpointer data)
  71 {
  72   EmpathyCallWindow *window = data;
  73   GTimeVal current;
  74   gchar *str;
  75   glong now, then;
  76   glong time, seconds, minutes, hours;
  77
  78   g_get_current_time (&current);
  79
  80   now = current.tv_sec;
  81   then = (window->start_time).tv_sec;
  82
  83   time = now - then;
  84
  85   seconds = time % 60;
  86   time /= 60;
  87   minutes = time % 60;
  88   time /= 60;
  89   hours = time % 60;
  90
  91   if (hours > 0)
  92       str = g_strdup_printf ("Connected  -  %02ld : %02ld : %02ld", hours,
  93           minutes, seconds);
  94   else
  95       str = g_strdup_printf ("Connected  -  %02ld : %02ld", minutes, seconds);
  96
  97   gtk_label_set_text (GTK_LABEL (window->status_label), str);
  98
  99   g_free (str);
 100
 101   return TRUE;
 102 }
 103
 104 static void
 105 call_window_stop_timeout (EmpathyCallWindow *window)
 106 {
 107   DEBUG ("Timer stopped");
 108
 109   if (window->timeout_event_id)
 110     {
 111       g_source_remove (window->timeout_event_id);
 112       window->timeout_event_id = 0;
 113     }
 114 }
 115
 116 static void
 117 call_window_set_output_video_is_drawing (EmpathyCallWindow *window,
 118                                          gboolean is_drawing)
 119 {
 120   DEBUG ("Setting output video is drawing - %d", is_drawing);
 121
 122   if (is_drawing && !window->is_drawing)
 123     {
 124       gtk_window_set_resizable (GTK_WINDOW (window->window), TRUE);
 125       gtk_box_pack_end (GTK_BOX (window->main_hbox),
 126           window->output_video_socket, TRUE, TRUE, 0);
 127       empathy_tp_call_add_output_video (window->call,
 128           gtk_socket_get_id (GTK_SOCKET (window->output_video_socket)));
 129     }
 130   if (!is_drawing && window->is_drawing)
 131     {
 132       gtk_window_set_resizable (GTK_WINDOW (window->window), FALSE);
 133       empathy_tp_call_add_output_video (window->call, 0);
 134       gtk_container_remove (GTK_CONTAINER (window->main_hbox),
 135           window->output_video_socket);
 136     }
 137
 138   window->is_drawing = is_drawing;
 139 }
 140
 141 static void
 142 call_window_finalize (EmpathyCallWindow *window)
 143 {
 144   gtk_label_set_text (GTK_LABEL (window->status_label), _("Closed"));
 145   gtk_widget_set_sensitive (window->hang_up_button, FALSE);
 146   gtk_widget_set_sensitive (window->video_button, FALSE);
 147   gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 148   gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 149   gtk_widget_set_sensitive (window->keypad_expander, FALSE);
 150
 151   if (window->call)
 152     {
 153       call_window_stop_timeout (window);
 154       call_window_set_output_video_is_drawing (window, FALSE);
 155       empathy_tp_call_remove_preview_video (window->call,
 156           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 157
 158       g_signal_handlers_disconnect_by_func (window->call,
 159         call_window_update, window);
 160
 161       empathy_tp_call_close (window->call);
 162       g_object_unref (window->call);
 163       window->call = NULL;
 164     }
 165
 166   if (window->confirmation_dialog)
 167       gtk_widget_destroy (window->confirmation_dialog);
 168 }
 169
 170 static void
 171 call_window_socket_realized_cb (GtkWidget *widget,
 172                                 EmpathyCallWindow *window)
 173 {
 174   if (widget == window->preview_video_socket)
 175     {
 176       DEBUG ("Preview socket realized");
 177       empathy_tp_call_add_preview_video (window->call,
 178           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 179     }
 180   else
 181       DEBUG ("Output socket realized");
 182 }
 183
 184 static void
 185 call_window_video_button_toggled_cb (GtkWidget *button,
 186                                      EmpathyCallWindow *window)
 187 {
 188   gboolean is_sending;
 189   guint status;
 190
 191   is_sending = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
 192
 193   DEBUG ("Send video toggled - %d", is_sending);
 194
 195   g_object_get (window->call, "status", &status, NULL);
 196   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 197       empathy_tp_call_request_video_stream_direction (window->call, is_sending);
 198 }
 199
 200 static void
 201 call_window_hang_up_button_clicked_cb (GtkWidget *widget,
 202                                        EmpathyCallWindow *window)
 203 {
 204   empathy_sound_play (GTK_WIDGET (window->window),
 205                       EMPATHY_SOUND_PHONE_HANGUP);
 206
 207   DEBUG ("Call clicked, end call");
 208   call_window_finalize (window);
 209 }
 210
 211 static void
 212 call_window_output_volume_changed_cb (GtkScaleButton *button,
 213                                       gdouble value,
 214                                       EmpathyCallWindow *window)
 215 {
 216   if (!window->call)
 217       return;
 218
 219   if (value <= 0)
 220       empathy_tp_call_mute_output (window->call, TRUE);
 221   else
 222     {
 223       empathy_tp_call_mute_output (window->call, FALSE);
 224       empathy_tp_call_set_output_volume (window->call, value * 100);
 225     }
 226 }
 227
 228 static void
 229 call_window_input_volume_changed_cb (GtkScaleButton    *button,
 230                                      gdouble            value,
 231                                      EmpathyCallWindow *window)
 232 {
 233   if (!window->call)
 234       return;
 235
 236   if (value <= 0)
 237       empathy_tp_call_mute_input (window->call, TRUE);
 238   else
 239     {
 240       empathy_tp_call_mute_input (window->call, FALSE);
 241       /* FIXME: Not implemented?
 242       empathy_tp_call_set_input_volume (window->call, value * 100);*/
 243     }
 244 }
 245
 246 static gboolean
 247 call_window_delete_event_cb (GtkWidget *widget,
 248                              GdkEvent *event,
 249                              EmpathyCallWindow *window)
 250 {
 251   GtkWidget *dialog;
 252   gint result;
 253   guint status = EMPATHY_TP_CALL_STATUS_CLOSED;
 254
 255   DEBUG ("Delete event occurred");
 256
 257   if (window->call)
 258       g_object_get (window->call, "status", &status, NULL);
 259
 260   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 261     {
 262       dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 263           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 264           GTK_MESSAGE_WARNING, GTK_BUTTONS_CANCEL, _("End this call?"));
 265       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 266           _("Closing this window will end the call in progress."));
 267       gtk_dialog_add_button (GTK_DIALOG (dialog), _("_End Call"), GTK_RESPONSE_OK);
 268       gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
 269
 270       result = gtk_dialog_run (GTK_DIALOG (dialog));
 271       gtk_widget_destroy (dialog);
 272
 273       if (result != GTK_RESPONSE_OK)
 274           return TRUE;
 275     }
 276
 277   return FALSE;
 278 }
 279
 280 static void
 281 call_window_destroy_cb (GtkWidget *widget,
 282                         EmpathyCallWindow *window)
 283 {
 284   call_window_finalize (window);
 285
 286   g_object_unref (window->output_video_socket);
 287   g_object_unref (window->preview_video_socket);
 288
 289   windows = g_slist_remove (windows, window);
 290   g_slice_free (EmpathyCallWindow, window);
 291 }
 292
 293 static void
 294 call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 295                                              gint response,
 296                                              EmpathyCallWindow *window)
 297 {
 298   if (response == GTK_RESPONSE_OK && window->call)
 299       empathy_tp_call_accept_incoming_call (window->call);
 300   else
 301       call_window_finalize (window);
 302
 303   gtk_widget_destroy (window->confirmation_dialog);
 304   window->confirmation_dialog = NULL;
 305 }
 306
 307 static void
 308 call_window_show_confirmation_dialog (EmpathyCallWindow *window)
 309 {
 310   EmpathyContact *contact;
 311   GtkWidget *button;
 312   GtkWidget *image;
 313
 314   if (window->confirmation_dialog)
 315       return;
 316
 317   g_object_get (window->call, "contact", &contact, NULL);
 318
 319   window->confirmation_dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 320       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 321       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Incoming call"));
 322   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (window->confirmation_dialog),
 323       _("%s is calling you, do you want to answer?"),
 324       empathy_contact_get_name (contact));
 325   gtk_dialog_set_default_response (GTK_DIALOG (window->confirmation_dialog),
 326       GTK_RESPONSE_OK);
 327
 328   button = gtk_dialog_add_button (GTK_DIALOG (window->confirmation_dialog),
 329       _("_Reject"), GTK_RESPONSE_CANCEL);
 330   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 331   gtk_button_set_image (GTK_BUTTON (button), image);
 332
 333   button = gtk_dialog_add_button (GTK_DIALOG (window->confirmation_dialog),
 334       _("_Answer"), GTK_RESPONSE_OK);
 335   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 336   gtk_button_set_image (GTK_BUTTON (button), image);
 337
 338   g_signal_connect (window->confirmation_dialog, "response",
 339       G_CALLBACK (call_window_confirmation_dialog_response_cb),
 340       window);
 341
 342   gtk_widget_show (window->confirmation_dialog);
 343   g_object_unref (contact);
 344 }
 345
 346 static void
 347 call_window_update (EmpathyCallWindow *window)
 348 {
 349   EmpathyContact *contact;
 350   guint stream_state;
 351   EmpathyTpCallStream *audio_stream;
 352   EmpathyTpCallStream *video_stream;
 353   gboolean is_incoming;
 354   gchar *title;
 355
 356   g_object_get (window->call,
 357       "status", &window->status,
 358       "audio-stream", &audio_stream,
 359       "video-stream", &video_stream,
 360       "contact", &contact,
 361       "is-incoming", &is_incoming,
 362       NULL);
 363
 364   if (video_stream->state > audio_stream->state)
 365       stream_state = video_stream->state;
 366   else
 367       stream_state = audio_stream->state;
 368
 369   DEBUG ("Status changed - status: %d, stream state: %d, "
 370       "is-incoming: %d video-stream direction: %d",
 371       window->status, stream_state, is_incoming, video_stream->direction);
 372
 373   if (empathy_tp_call_has_dtmf (window->call))
 374     {
 375       gtk_widget_show (window->keypad_expander);
 376     }
 377   else
 378     {
 379       gtk_widget_hide (window->keypad_expander);
 380     }
 381
 382   /* Depending on the status we have to set:
 383    * - window's title
 384    * - status's label
 385    * - sensibility of all buttons
 386    * */
 387   if (window->status == EMPATHY_TP_CALL_STATUS_READYING)
 388     {
 389       gtk_window_set_title (GTK_WINDOW (window->window), _("Empathy Call"));
 390       /* To translators: Readying is the first state of the call, it is
 391        * preparing the connection and it does not yet ring. */
 392       gtk_label_set_text (GTK_LABEL (window->status_label), _("Readying"));
 393       gtk_widget_set_sensitive (window->video_button, FALSE);
 394       gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 395       gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 396       gtk_widget_set_sensitive (window->hang_up_button, FALSE);
 397       gtk_widget_set_sensitive (window->keypad_expander, FALSE);
 398     }
 399   else if (window->status == EMPATHY_TP_CALL_STATUS_PENDING)
 400     {
 401       title = g_strdup_printf (_("%s - Empathy Call"),
 402           empathy_contact_get_name (contact));
 403
 404       gtk_window_set_title (GTK_WINDOW (window->window), title);
 405       gtk_label_set_text (GTK_LABEL (window->status_label), _("Ringing"));
 406       gtk_widget_set_sensitive (window->hang_up_button, TRUE);
 407
 408       if (is_incoming)
 409         {
 410           call_window_show_confirmation_dialog (window);
 411           empathy_sound_play (GTK_WIDGET (window->window),
 412                               EMPATHY_SOUND_PHONE_INCOMING);
 413         }
 414       else
 415         {
 416           empathy_sound_play (GTK_WIDGET (window->window),
 417                               EMPATHY_SOUND_PHONE_OUTGOING);
 418         }
 419     }
 420   else if (window->status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 421     {
 422       gboolean receiving_video;
 423       gboolean sending_video;
 424
 425       if (stream_state == TP_MEDIA_STREAM_STATE_DISCONNECTED)
 426           gtk_label_set_text (GTK_LABEL (window->status_label), _("Disconnected"));
 427       if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTING)
 428           gtk_label_set_text (GTK_LABEL (window->status_label), _("Connecting"));
 429       else if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTED &&
 430                window->timeout_event_id == 0)
 431         {
 432           /* The call started, launch the timer */
 433           g_get_current_time (&(window->start_time));
 434           window->timeout_event_id = g_timeout_add_seconds (1,
 435               call_window_update_timer, window);
 436           call_window_update_timer (window);
 437         }
 438
 439       receiving_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE;
 440       sending_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_SEND;
 441       call_window_set_output_video_is_drawing (window, receiving_video);
 442       g_signal_handlers_block_by_func (window->video_button,
 443           call_window_video_button_toggled_cb, window);
 444       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (window->video_button),
 445           sending_video);
 446       g_signal_handlers_unblock_by_func (window->video_button,
 447           call_window_video_button_toggled_cb, window);
 448
 449       gtk_widget_set_sensitive (window->video_button, TRUE);
 450       gtk_widget_set_sensitive (window->output_volume_button, TRUE);
 451       gtk_widget_set_sensitive (window->input_volume_button, TRUE);
 452       gtk_widget_set_sensitive (window->hang_up_button, TRUE);
 453       gtk_widget_set_sensitive (window->keypad_expander, TRUE);
 454     }
 455   else if (window->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 456       call_window_finalize (window);
 457
 458   if (contact)
 459       g_object_unref (contact);
 460 }
 461
 462 static gboolean
 463 call_window_dtmf_button_release_event_cb (GtkWidget *widget,
 464                                           GdkEventButton *event,
 465                                           EmpathyCallWindow *window)
 466 {
 467   empathy_tp_call_stop_tone (window->call);
 468   return FALSE;
 469 }
 470
 471 static gboolean
 472 call_window_dtmf_button_press_event_cb (GtkWidget *widget,
 473                                         GdkEventButton *event,
 474                                         EmpathyCallWindow *window)
 475 {
 476   TpDTMFEvent dtmf_event;
 477
 478   dtmf_event = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (widget), "code"));
 479   empathy_tp_call_start_tone (window->call, dtmf_event);
 480   return FALSE;
 481 }
 482
 483 static void
 484 call_window_dtmf_connect (GladeXML *glade,
 485                           EmpathyCallWindow *window,
 486                           const gchar *name,
 487                           TpDTMFEvent event)
 488 {
 489   GtkWidget *widget;
 490
 491   widget = glade_xml_get_widget (glade, name);
 492   g_object_set_data (G_OBJECT (widget), "code", GUINT_TO_POINTER (event));
 493   g_signal_connect (widget, "button-press-event",
 494       G_CALLBACK (call_window_dtmf_button_press_event_cb), window);
 495   g_signal_connect (widget, "button-release-event",
 496       G_CALLBACK (call_window_dtmf_button_release_event_cb), window);
 497   /* FIXME: Connect "key-[press/release]-event" to*/
 498 }
 499
 500 GtkWidget *
 501 empathy_call_window_new (EmpathyTpCall *call)
 502 {
 503   EmpathyCallWindow *window;
 504   GladeXML *glade;
 505   gchar *filename;
 506   const gchar *icons[] = {"audio-input-microphone", NULL};
 507
 508   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), NULL);
 509
 510   if (windows)
 511     {
 512       window = (EmpathyCallWindow*) windows->data;
 513       if (!window->call)
 514         {
 515           window->call = g_object_ref (call);
 516           g_signal_connect_swapped (G_OBJECT (window->call), "notify",
 517               G_CALLBACK (call_window_update), window);
 518           call_window_update (window);
 519
 520           if (GTK_WIDGET_REALIZED (GTK_WIDGET (window->preview_video_socket)))
 521             {
 522               call_window_socket_realized_cb (window->preview_video_socket,
 523                   window);
 524             }
 525         }
 526       else
 527         {
 528           GtkWidget *dialog;
 529           EmpathyContact *contact;
 530           TpChannel *channel;
 531
 532           g_object_get ( G_OBJECT (call),
 533             "contact", &contact,
 534             "channel", &channel,
 535             NULL);
 536
 537           empathy_contact_run_until_ready (contact, EMPATHY_CONTACT_READY_NAME,
 538               NULL);
 539
 540           /* We don't want to have multiple calls running.
 541            * FIXME: We should use the hold interface... */
 542           tp_cli_channel_call_close (channel, -1, NULL, NULL, NULL, NULL);
 543
 544           dialog = gtk_message_dialog_new (NULL, 0, GTK_MESSAGE_INFO,
 545               GTK_BUTTONS_CLOSE,
 546               _("Incoming call from %s rejected because there is already a"
 547                 " running call."), empathy_contact_get_name (contact));
 548
 549           g_object_unref (contact);
 550           g_object_unref (channel);
 551
 552           g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy),
 553               NULL);
 554           gtk_widget_show (dialog);
 555         }
 556
 557       gtk_window_present (GTK_WINDOW (window->window));
 558       return window->window;
 559     }
 560
 561   window = g_slice_new0 (EmpathyCallWindow);
 562   windows = g_slist_prepend (windows, window);
 563   window->call = g_object_ref (call);
 564
 565   filename = empathy_file_lookup ("empathy-call-window.glade", "src");
 566   glade = empathy_glade_get_file (filename,
 567       "window",
 568       NULL,
 569       "window", &window->window,
 570       "main_hbox", &window->main_hbox,
 571       "controls_vbox", &window->controls_vbox,
 572       "volume_hbox", &window->volume_hbox,
 573       "status_label", &window->status_label,
 574       "video_button", &window->video_button,
 575       "hang_up_button", &window->hang_up_button,
 576       "keypad_expander", &window->keypad_expander,
 577       NULL);
 578   g_free (filename);
 579
 580   empathy_glade_connect (glade,
 581       window,
 582       "window", "destroy", call_window_destroy_cb,
 583       "window", "delete_event", call_window_delete_event_cb,
 584       "hang_up_button", "clicked", call_window_hang_up_button_clicked_cb,
 585       "video_button", "toggled", call_window_video_button_toggled_cb,
 586       NULL);
 587
 588   /* Setup DTMF buttons */
 589   call_window_dtmf_connect (glade, window, "button_0", TP_DTMF_EVENT_DIGIT_0);
 590   call_window_dtmf_connect (glade, window, "button_1", TP_DTMF_EVENT_DIGIT_1);
 591   call_window_dtmf_connect (glade, window, "button_2", TP_DTMF_EVENT_DIGIT_2);
 592   call_window_dtmf_connect (glade, window, "button_3", TP_DTMF_EVENT_DIGIT_3);
 593   call_window_dtmf_connect (glade, window, "button_4", TP_DTMF_EVENT_DIGIT_4);
 594   call_window_dtmf_connect (glade, window, "button_5", TP_DTMF_EVENT_DIGIT_5);
 595   call_window_dtmf_connect (glade, window, "button_6", TP_DTMF_EVENT_DIGIT_6);
 596   call_window_dtmf_connect (glade, window, "button_7", TP_DTMF_EVENT_DIGIT_7);
 597   call_window_dtmf_connect (glade, window, "button_8", TP_DTMF_EVENT_DIGIT_8);
 598   call_window_dtmf_connect (glade, window, "button_9", TP_DTMF_EVENT_DIGIT_9);
 599   call_window_dtmf_connect (glade, window, "button_asterisk", TP_DTMF_EVENT_ASTERISK);
 600   call_window_dtmf_connect (glade, window, "button_hash", TP_DTMF_EVENT_HASH);
 601
 602   g_object_unref (glade);
 603
 604   /* Output volume button */
 605   window->output_volume_button = gtk_volume_button_new ();
 606   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->output_volume_button), 1);
 607   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 608       window->output_volume_button, FALSE, FALSE, 0);
 609   gtk_widget_show (window->output_volume_button);
 610   g_signal_connect (window->output_volume_button, "value-changed",
 611       G_CALLBACK (call_window_output_volume_changed_cb), window);
 612
 613   /* Input volume button */
 614   window->input_volume_button = gtk_volume_button_new ();
 615   gtk_scale_button_set_icons (GTK_SCALE_BUTTON (window->input_volume_button),
 616       icons);
 617   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->input_volume_button), 1);
 618   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 619       window->input_volume_button, FALSE, FALSE, 0);
 620   gtk_widget_show (window->input_volume_button);
 621   g_signal_connect (window->input_volume_button, "value-changed",
 622       G_CALLBACK (call_window_input_volume_changed_cb), window);
 623
 624   /* Output video socket */
 625   window->output_video_socket = g_object_ref (gtk_socket_new ());
 626   gtk_widget_set_size_request (window->output_video_socket, 400, 300);
 627   g_signal_connect (GTK_OBJECT (window->output_video_socket), "realize",
 628       G_CALLBACK (call_window_socket_realized_cb), window);
 629   gtk_widget_show (window->output_video_socket);
 630
 631   /* Preview video socket */
 632   window->preview_video_socket = g_object_ref (gtk_socket_new ());
 633   gtk_widget_set_size_request (window->preview_video_socket, 176, 144);
 634   g_signal_connect (GTK_OBJECT (window->preview_video_socket), "realize",
 635       G_CALLBACK (call_window_socket_realized_cb), window);
 636   gtk_widget_show (window->preview_video_socket);
 637
 638   /* FIXME: We shouldn't do this if there is no video input */
 639   gtk_box_pack_start (GTK_BOX (window->controls_vbox),
 640       window->preview_video_socket, FALSE, FALSE, 0);
 641   gtk_box_reorder_child (GTK_BOX (window->controls_vbox),
 642       window->preview_video_socket, 0);
 643
 644   g_signal_connect_swapped (G_OBJECT (window->call), "notify",
 645       G_CALLBACK (call_window_update),
 646       window);
 647
 648   call_window_update (window);
 649   gtk_widget_show (window->window);
 650
 651   return window->window;
 652 }
 653