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-debug.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_DOMAIN "CallWindow"
  40
  41 typedef struct
  42 {
  43   EmpathyTpCall *call;
  44   GTimeVal start_time;
  45   guint timeout_event_id;
  46   gboolean is_drawing;
  47   guint status;
  48
  49   GtkWidget *window;
  50   GtkWidget *main_hbox;
  51   GtkWidget *volume_hbox;
  52   GtkWidget *status_label;
  53   GtkWidget *call_button;
  54   GtkWidget *input_volume_button;
  55   GtkWidget *output_volume_button;
  56   GtkWidget *preview_video_frame;
  57   GtkWidget *preview_video_socket;
  58   GtkWidget *output_video_socket;
  59   GtkWidget *video_button;
  60   GtkWidget *output_video_label;
  61 } EmpathyCallWindow;
  62
  63 static gboolean
  64 call_window_update_timer (gpointer data)
  65 {
  66   EmpathyCallWindow *window = data;
  67   GTimeVal current;
  68   gchar *str;
  69   glong now, then;
  70   glong time, seconds, minutes, hours;
  71
  72   g_get_current_time (&current);
  73
  74   now = current.tv_sec;
  75   then = (window->start_time).tv_sec;
  76
  77   time = now - then;
  78
  79   seconds = time % 60;
  80   time /= 60;
  81   minutes = time % 60;
  82   time /= 60;
  83   hours = time % 60;
  84
  85   if (hours > 0)
  86       str = g_strdup_printf ("Connected  -  %02ld : %02ld : %02ld", hours,
  87           minutes, seconds);
  88   else
  89       str = g_strdup_printf ("Connected  -  %02ld : %02ld", minutes, seconds);
  90
  91   gtk_label_set_text (GTK_LABEL (window->status_label), str);
  92
  93   g_free (str);
  94
  95   return TRUE;
  96 }
  97
  98 static void
  99 call_window_stop_timeout (EmpathyCallWindow *window)
 100 {
 101   empathy_debug (DEBUG_DOMAIN, "Timer stopped");
 102
 103   if (window->timeout_event_id)
 104     {
 105       g_source_remove (window->timeout_event_id);
 106       window->timeout_event_id = 0;
 107     }
 108 }
 109
 110 static void
 111 call_window_set_output_video_is_drawing (EmpathyCallWindow *window,
 112                                          gboolean is_drawing)
 113 {
 114   empathy_debug (DEBUG_DOMAIN,
 115       "Setting output video is drawing - %d", is_drawing);
 116
 117   if (is_drawing && !window->is_drawing)
 118     {
 119       gtk_container_remove (GTK_CONTAINER (window->main_hbox),
 120           window->output_video_label);
 121       gtk_box_pack_start (GTK_BOX (window->main_hbox),
 122           window->output_video_socket, TRUE, TRUE, 0);
 123       gtk_box_reorder_child (GTK_BOX (window->main_hbox),
 124           window->output_video_socket, 0);
 125       gtk_widget_show (window->output_video_socket);
 126       empathy_tp_call_add_output_video (window->call,
 127           gtk_socket_get_id (GTK_SOCKET (window->output_video_socket)));
 128     }
 129   if (!is_drawing && window->is_drawing)
 130     {
 131       empathy_tp_call_add_output_video (window->call, 0);
 132       gtk_container_remove (GTK_CONTAINER (window->main_hbox),
 133           window->output_video_socket);
 134       gtk_box_pack_start (GTK_BOX (window->main_hbox),
 135           window->output_video_label, TRUE, TRUE, 0);
 136       gtk_box_reorder_child (GTK_BOX (window->main_hbox),
 137           window->output_video_label, 0);
 138       gtk_widget_show (window->output_video_label);
 139     }
 140
 141   window->is_drawing = is_drawing;
 142 }
 143
 144 static void
 145 call_window_finalize (EmpathyCallWindow *window)
 146 {
 147   if (window->call)
 148     {
 149       call_window_stop_timeout (window);
 150       call_window_set_output_video_is_drawing (window, FALSE);
 151       empathy_tp_call_remove_preview_video (window->call,
 152           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 153       g_object_unref (window->call);
 154       window->call = NULL;
 155     }
 156 }
 157
 158 static void
 159 call_window_socket_realized_cb (GtkWidget *widget,
 160                                 EmpathyCallWindow *window)
 161 {
 162   if (widget == window->preview_video_socket)
 163     {
 164       empathy_debug (DEBUG_DOMAIN, "Preview socket realized");
 165       empathy_tp_call_add_preview_video (window->call,
 166           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 167     }
 168   else
 169       empathy_debug (DEBUG_DOMAIN, "Output socket realized");
 170 }
 171
 172 static void
 173 call_window_video_button_toggled_cb (GtkWidget *button,
 174                                      EmpathyCallWindow *window)
 175 {
 176   gboolean is_sending;
 177   guint status;
 178
 179   is_sending = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
 180
 181   empathy_debug (DEBUG_DOMAIN, "Send video toggled - %d", is_sending);
 182
 183   g_object_get (window->call, "status", &status, NULL);
 184   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 185       empathy_tp_call_request_video_stream_direction (window->call, is_sending);
 186 }
 187
 188 static void
 189 call_window_call_button_clicked_cb (GtkWidget *widget,
 190                                     EmpathyCallWindow *window)
 191 {
 192   if (window->status == EMPATHY_TP_CALL_STATUS_PENDING)
 193     {
 194       empathy_debug (DEBUG_DOMAIN, "Call clicked, accept incoming call");
 195       empathy_tp_call_accept_incoming_call (window->call);
 196     }
 197   else
 198     {
 199       empathy_debug (DEBUG_DOMAIN, "Call clicked, end call");
 200       call_window_finalize (window);
 201     }
 202     gtk_widget_set_sensitive (window->call_button, FALSE);
 203 }
 204
 205 static void
 206 call_window_output_volume_changed_cb (GtkScaleButton *button,
 207                                       gdouble value,
 208                                       EmpathyCallWindow *window)
 209 {
 210   if (!window->call)
 211       return;
 212
 213   if (value <= 0)
 214       empathy_tp_call_mute_output (window->call, TRUE);
 215   else
 216     {
 217       empathy_tp_call_mute_output (window->call, FALSE);
 218       empathy_tp_call_set_output_volume (window->call, value * 100);
 219     }
 220 }
 221
 222 static void
 223 call_window_input_volume_changed_cb (GtkScaleButton    *button,
 224                                      gdouble            value,
 225                                      EmpathyCallWindow *window)
 226 {
 227   if (!window->call)
 228       return;
 229
 230   if (value <= 0)
 231       empathy_tp_call_mute_input (window->call, TRUE);
 232   else
 233     {
 234       empathy_tp_call_mute_input (window->call, FALSE);
 235       /* FIXME: Not implemented?
 236       empathy_tp_call_set_input_volume (window->call, value * 100);*/
 237     }
 238 }
 239
 240 static gboolean
 241 call_window_delete_event_cb (GtkWidget *widget,
 242                              GdkEvent *event,
 243                              EmpathyCallWindow *window)
 244 {
 245   GtkWidget *dialog;
 246   gint result;
 247   guint status = EMPATHY_TP_CALL_STATUS_CLOSED;
 248
 249   empathy_debug (DEBUG_DOMAIN, "Delete event occurred");
 250
 251   if (window->call)
 252       g_object_get (window->call, "status", &status, NULL);
 253
 254   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 255     {
 256       dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 257           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 258           GTK_MESSAGE_WARNING, GTK_BUTTONS_CANCEL, _("End this call?"));
 259       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 260           _("Closing this window will end the call in progress."));
 261       gtk_dialog_add_button (GTK_DIALOG (dialog), _("_End Call"), GTK_RESPONSE_OK);
 262       gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
 263
 264       result = gtk_dialog_run (GTK_DIALOG (dialog));
 265       gtk_widget_destroy (dialog);
 266
 267       if (result != GTK_RESPONSE_OK)
 268           return TRUE;
 269     }
 270
 271   return FALSE;
 272 }
 273
 274 static void
 275 call_window_destroy_cb (GtkWidget *widget,
 276                         EmpathyCallWindow *window)
 277 {
 278   call_window_finalize (window);
 279   g_object_unref (window->output_video_socket);
 280   g_object_unref (window->preview_video_socket);
 281   g_object_unref (window->output_video_label);
 282   g_slice_free (EmpathyCallWindow, window);
 283 }
 284
 285 static void
 286 call_window_update (EmpathyCallWindow *window)
 287 {
 288   EmpathyContact *contact;
 289   guint stream_state;
 290   EmpathyTpCallStream *audio_stream;
 291   EmpathyTpCallStream *video_stream;
 292   gboolean is_incoming;
 293   gchar *title;
 294   const gchar *button_icon_name = NULL;
 295   const gchar *button_label = NULL;
 296
 297   g_object_get (window->call,
 298       "status", &window->status,
 299       "audio-stream", &audio_stream,
 300       "video-stream", &video_stream,
 301       "contact", &contact,
 302       "is-incoming", &is_incoming,
 303       NULL);
 304
 305   if (video_stream->state > audio_stream->state)
 306       stream_state = video_stream->state;
 307   else
 308       stream_state = audio_stream->state;
 309
 310   empathy_debug (DEBUG_DOMAIN, "Status changed - status: %d, stream state: %d, "
 311       "is-incoming: %d video-stream direction: %d",
 312       window->status, stream_state, is_incoming, video_stream->direction);
 313
 314   /* Depending on the status we have to set:
 315    * - window's title
 316    * - status's label
 317    * - sensibility of all buttons
 318    * */
 319   if (window->status == EMPATHY_TP_CALL_STATUS_READYING)
 320     {
 321       gtk_window_set_title (GTK_WINDOW (window->window), _("Empathy Call"));
 322       gtk_label_set_text (GTK_LABEL (window->status_label), _("Readying"));
 323       gtk_widget_set_sensitive (window->video_button, FALSE);
 324       gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 325       gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 326       gtk_widget_set_sensitive (window->call_button, FALSE);
 327     }
 328   else if (window->status == EMPATHY_TP_CALL_STATUS_PENDING)
 329     {
 330       title = g_strdup_printf (_("%s - Empathy Call"),
 331           empathy_contact_get_name (contact));
 332
 333       gtk_window_set_title (GTK_WINDOW (window->window), title);
 334       gtk_label_set_text (GTK_LABEL (window->status_label), _("Ringing"));
 335       gtk_widget_set_sensitive (window->call_button, TRUE);
 336       if (is_incoming)
 337         {
 338           button_icon_name = GTK_STOCK_APPLY;
 339           button_label = _("Answer");
 340         }
 341       else
 342         {
 343           button_icon_name = GTK_STOCK_CANCEL;
 344           button_label = _("Hand up");
 345         }
 346     }
 347   else if (window->status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 348     {
 349       gboolean receiving_video;
 350       gboolean sending_video;
 351
 352       if (stream_state == TP_MEDIA_STREAM_STATE_DISCONNECTED)
 353           gtk_label_set_text (GTK_LABEL (window->status_label), _("Disconnected"));
 354       if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTING)
 355           gtk_label_set_text (GTK_LABEL (window->status_label), _("Connecting"));
 356       else if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTED &&
 357                window->timeout_event_id == 0)
 358         {
 359           /* The call started, launch the timer */
 360           g_get_current_time (&(window->start_time));
 361           window->timeout_event_id = g_timeout_add_seconds (1,
 362               call_window_update_timer, window);
 363           call_window_update_timer (window);
 364         }
 365
 366       receiving_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE;
 367       sending_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_SEND;
 368       call_window_set_output_video_is_drawing (window, receiving_video);
 369       g_signal_handlers_block_by_func (window->video_button,
 370           call_window_video_button_toggled_cb, window);
 371       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (window->video_button),
 372           sending_video);
 373       g_signal_handlers_unblock_by_func (window->video_button,
 374           call_window_video_button_toggled_cb, window);
 375
 376       gtk_widget_set_sensitive (window->video_button, TRUE);
 377       gtk_widget_set_sensitive (window->output_volume_button, TRUE);
 378       gtk_widget_set_sensitive (window->input_volume_button, TRUE);
 379       gtk_widget_set_sensitive (window->call_button, TRUE);
 380       button_icon_name = GTK_STOCK_CANCEL;
 381       button_label = _("Hand up");
 382     }
 383   else if (window->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 384     {
 385       gtk_label_set_text (GTK_LABEL (window->status_label), _("Closed"));
 386       gtk_widget_set_sensitive (window->call_button, FALSE);
 387       gtk_widget_set_sensitive (window->video_button, FALSE);
 388       gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 389       gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 390
 391       call_window_finalize (window);
 392     }
 393
 394   if (contact)
 395       g_object_unref (contact);
 396
 397   if (button_label)
 398       gtk_button_set_label (GTK_BUTTON (window->call_button), button_label);
 399   if (button_icon_name)
 400     {
 401       GtkWidget *image;
 402
 403       image = gtk_image_new_from_icon_name (button_icon_name,
 404           GTK_ICON_SIZE_BUTTON);
 405       gtk_button_set_image (GTK_BUTTON (window->call_button), image);
 406     }
 407 }
 408
 409 GtkWidget *
 410 empathy_call_window_new (EmpathyTpCall *call)
 411 {
 412   EmpathyCallWindow *window;
 413   GladeXML *glade;
 414   gchar *filename;
 415   const gchar *icons[] = {"audio-input-microphone", NULL};
 416
 417   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), NULL);
 418
 419   window = g_slice_new0 (EmpathyCallWindow);
 420   window->call = g_object_ref (call);
 421
 422   filename = empathy_file_lookup ("empathy-call-window.glade", "src");
 423   glade = empathy_glade_get_file (filename,
 424       "window",
 425       NULL,
 426       "window", &window->window,
 427       "main_hbox", &window->main_hbox,
 428       "volume_hbox", &window->volume_hbox,
 429       "output_video_label", &window->output_video_label,
 430       "status_label", &window->status_label,
 431       "call_button", &window->call_button,
 432       "preview_video_frame", &window->preview_video_frame,
 433       "video_button", &window->video_button,
 434       NULL);
 435   g_free (filename);
 436
 437   empathy_glade_connect (glade,
 438       window,
 439       "window", "destroy", call_window_destroy_cb,
 440       "window", "delete_event", call_window_delete_event_cb,
 441       "call_button", "clicked", call_window_call_button_clicked_cb,
 442       "video_button", "toggled", call_window_video_button_toggled_cb,
 443       NULL);
 444
 445   g_object_unref (glade);
 446
 447   /* Keep it safe when we remove from container */
 448   g_object_ref (window->output_video_label);
 449
 450   /* Output volume button */
 451   window->output_volume_button = gtk_volume_button_new ();
 452   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->output_volume_button), 1);
 453   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 454       window->output_volume_button, FALSE, FALSE, 0);
 455   gtk_widget_show (window->output_volume_button);
 456   g_signal_connect (window->output_volume_button, "value-changed",
 457       G_CALLBACK (call_window_output_volume_changed_cb), window);
 458
 459   /* Input volume button */
 460   window->input_volume_button = gtk_volume_button_new ();
 461   gtk_scale_button_set_icons (GTK_SCALE_BUTTON (window->input_volume_button),
 462       icons);
 463   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->input_volume_button), 1);
 464   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 465       window->input_volume_button, FALSE, FALSE, 0);
 466   gtk_widget_show (window->input_volume_button);
 467   g_signal_connect (window->input_volume_button, "value-changed",
 468       G_CALLBACK (call_window_input_volume_changed_cb), window);
 469
 470   /* Output video socket */
 471   window->output_video_socket = g_object_ref (gtk_socket_new ());
 472   gtk_widget_set_size_request (window->output_video_socket, 400, -1);
 473   g_signal_connect (GTK_OBJECT (window->output_video_socket), "realize",
 474       G_CALLBACK (call_window_socket_realized_cb), window);
 475   gtk_widget_show (window->output_video_socket);
 476
 477   /* Preview video socket */
 478   window->preview_video_socket = g_object_ref (gtk_socket_new ());
 479   g_signal_connect (GTK_OBJECT (window->preview_video_socket), "realize",
 480       G_CALLBACK (call_window_socket_realized_cb), window);
 481   gtk_container_add (GTK_CONTAINER (window->preview_video_frame),
 482       window->preview_video_socket);
 483   gtk_widget_show (window->preview_video_socket);
 484
 485   g_signal_connect_swapped (G_OBJECT (window->call), "notify",
 486       G_CALLBACK (call_window_update),
 487       window);
 488
 489   call_window_update (window);
 490   gtk_widget_show (window->window);
 491
 492   return window->window;
 493 }
 494