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-utils.h>
  34 #include <libempathy-gtk/empathy-ui-utils.h>
  35
  36 #include "empathy-call-window.h"
  37
  38 #define DEBUG_FLAG EMPATHY_DEBUG_OTHER
  39 #include <libempathy/empathy-debug.h>
  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 *controls_vbox;
  52   GtkWidget *volume_hbox;
  53   GtkWidget *status_label;
  54   GtkWidget *input_volume_button;
  55   GtkWidget *output_volume_button;
  56   GtkWidget *preview_video_socket;
  57   GtkWidget *output_video_socket;
  58   GtkWidget *video_button;
  59   GtkWidget *hang_up_button;
  60   GtkWidget *confirmation_dialog;
  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   DEBUG ("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   DEBUG ("Setting output video is drawing - %d", is_drawing);
 115
 116   if (is_drawing && !window->is_drawing)
 117     {
 118       gtk_window_set_resizable (GTK_WINDOW (window->window), TRUE);
 119       gtk_box_pack_end (GTK_BOX (window->main_hbox),
 120           window->output_video_socket, TRUE, TRUE, 0);
 121       empathy_tp_call_add_output_video (window->call,
 122           gtk_socket_get_id (GTK_SOCKET (window->output_video_socket)));
 123     }
 124   if (!is_drawing && window->is_drawing)
 125     {
 126       gtk_window_set_resizable (GTK_WINDOW (window->window), FALSE);
 127       empathy_tp_call_add_output_video (window->call, 0);
 128       gtk_container_remove (GTK_CONTAINER (window->main_hbox),
 129           window->output_video_socket);
 130     }
 131
 132   window->is_drawing = is_drawing;
 133 }
 134
 135 static void
 136 call_window_finalize (EmpathyCallWindow *window)
 137 {
 138   gtk_label_set_text (GTK_LABEL (window->status_label), _("Closed"));
 139   gtk_widget_set_sensitive (window->hang_up_button, FALSE);
 140   gtk_widget_set_sensitive (window->video_button, FALSE);
 141   gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 142   gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 143
 144   if (window->call)
 145     {
 146       call_window_stop_timeout (window);
 147       call_window_set_output_video_is_drawing (window, FALSE);
 148       empathy_tp_call_remove_preview_video (window->call,
 149           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 150       g_object_unref (window->call);
 151       window->call = NULL;
 152     }
 153
 154   if (window->confirmation_dialog)
 155       gtk_widget_destroy (window->confirmation_dialog);
 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       DEBUG ("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       DEBUG ("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   DEBUG ("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_hang_up_button_clicked_cb (GtkWidget *widget,
 190                                        EmpathyCallWindow *window)
 191 {
 192   DEBUG ("Call clicked, end call");
 193   call_window_finalize (window);
 194 }
 195
 196 static void
 197 call_window_output_volume_changed_cb (GtkScaleButton *button,
 198                                       gdouble value,
 199                                       EmpathyCallWindow *window)
 200 {
 201   if (!window->call)
 202       return;
 203
 204   if (value <= 0)
 205       empathy_tp_call_mute_output (window->call, TRUE);
 206   else
 207     {
 208       empathy_tp_call_mute_output (window->call, FALSE);
 209       empathy_tp_call_set_output_volume (window->call, value * 100);
 210     }
 211 }
 212
 213 static void
 214 call_window_input_volume_changed_cb (GtkScaleButton    *button,
 215                                      gdouble            value,
 216                                      EmpathyCallWindow *window)
 217 {
 218   if (!window->call)
 219       return;
 220
 221   if (value <= 0)
 222       empathy_tp_call_mute_input (window->call, TRUE);
 223   else
 224     {
 225       empathy_tp_call_mute_input (window->call, FALSE);
 226       /* FIXME: Not implemented?
 227       empathy_tp_call_set_input_volume (window->call, value * 100);*/
 228     }
 229 }
 230
 231 static gboolean
 232 call_window_delete_event_cb (GtkWidget *widget,
 233                              GdkEvent *event,
 234                              EmpathyCallWindow *window)
 235 {
 236   GtkWidget *dialog;
 237   gint result;
 238   guint status = EMPATHY_TP_CALL_STATUS_CLOSED;
 239
 240   DEBUG ("Delete event occurred");
 241
 242   if (window->call)
 243       g_object_get (window->call, "status", &status, NULL);
 244
 245   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 246     {
 247       dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 248           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 249           GTK_MESSAGE_WARNING, GTK_BUTTONS_CANCEL, _("End this call?"));
 250       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog),
 251           _("Closing this window will end the call in progress."));
 252       gtk_dialog_add_button (GTK_DIALOG (dialog), _("_End Call"), GTK_RESPONSE_OK);
 253       gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
 254
 255       result = gtk_dialog_run (GTK_DIALOG (dialog));
 256       gtk_widget_destroy (dialog);
 257
 258       if (result != GTK_RESPONSE_OK)
 259           return TRUE;
 260     }
 261
 262   return FALSE;
 263 }
 264
 265 static void
 266 call_window_destroy_cb (GtkWidget *widget,
 267                         EmpathyCallWindow *window)
 268 {
 269   call_window_finalize (window);
 270   g_object_unref (window->output_video_socket);
 271   g_object_unref (window->preview_video_socket);
 272   g_slice_free (EmpathyCallWindow, window);
 273 }
 274
 275 static void
 276 call_window_confirmation_dialog_response_cb (GtkDialog *dialog,
 277                                              gint response,
 278                                              EmpathyCallWindow *window)
 279 {
 280   if (response == GTK_RESPONSE_OK && window->call)
 281       empathy_tp_call_accept_incoming_call (window->call);
 282   else
 283       call_window_finalize (window);
 284
 285   gtk_widget_destroy (window->confirmation_dialog);
 286   window->confirmation_dialog = NULL;
 287 }
 288
 289 static void
 290 call_window_show_confirmation_dialog (EmpathyCallWindow *window)
 291 {
 292   EmpathyContact *contact;
 293   GtkWidget *button;
 294   GtkWidget *image;
 295
 296   if (window->confirmation_dialog)
 297       return;
 298
 299   g_object_get (window->call, "contact", &contact, NULL);
 300
 301   window->confirmation_dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 302       GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 303       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE, _("Incoming call"));
 304   gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (window->confirmation_dialog),
 305       _("%s is calling you, do you want to answer?"),
 306       empathy_contact_get_name (contact));
 307   gtk_dialog_set_default_response (GTK_DIALOG (window->confirmation_dialog),
 308       GTK_RESPONSE_OK);
 309
 310   button = gtk_dialog_add_button (GTK_DIALOG (window->confirmation_dialog),
 311       _("_Reject"), GTK_RESPONSE_CANCEL);
 312   image = gtk_image_new_from_icon_name (GTK_STOCK_CANCEL, GTK_ICON_SIZE_BUTTON);
 313   gtk_button_set_image (GTK_BUTTON (button), image);
 314
 315   button = gtk_dialog_add_button (GTK_DIALOG (window->confirmation_dialog),
 316       _("_Answer"), GTK_RESPONSE_OK);
 317   image = gtk_image_new_from_icon_name (GTK_STOCK_APPLY, GTK_ICON_SIZE_BUTTON);
 318   gtk_button_set_image (GTK_BUTTON (button), image);
 319
 320   g_signal_connect (window->confirmation_dialog, "response",
 321       G_CALLBACK (call_window_confirmation_dialog_response_cb),
 322       window);
 323
 324   gtk_widget_show (window->confirmation_dialog);
 325   g_object_unref (contact);
 326 }
 327
 328 static void
 329 call_window_update (EmpathyCallWindow *window)
 330 {
 331   EmpathyContact *contact;
 332   guint stream_state;
 333   EmpathyTpCallStream *audio_stream;
 334   EmpathyTpCallStream *video_stream;
 335   gboolean is_incoming;
 336   gchar *title;
 337
 338   g_object_get (window->call,
 339       "status", &window->status,
 340       "audio-stream", &audio_stream,
 341       "video-stream", &video_stream,
 342       "contact", &contact,
 343       "is-incoming", &is_incoming,
 344       NULL);
 345
 346   if (video_stream->state > audio_stream->state)
 347       stream_state = video_stream->state;
 348   else
 349       stream_state = audio_stream->state;
 350
 351   DEBUG ("Status changed - status: %d, stream state: %d, "
 352       "is-incoming: %d video-stream direction: %d",
 353       window->status, stream_state, is_incoming, video_stream->direction);
 354
 355   /* Depending on the status we have to set:
 356    * - window's title
 357    * - status's label
 358    * - sensibility of all buttons
 359    * */
 360   if (window->status == EMPATHY_TP_CALL_STATUS_READYING)
 361     {
 362       gtk_window_set_title (GTK_WINDOW (window->window), _("Empathy Call"));
 363       gtk_label_set_text (GTK_LABEL (window->status_label), _("Readying"));
 364       gtk_widget_set_sensitive (window->video_button, FALSE);
 365       gtk_widget_set_sensitive (window->output_volume_button, FALSE);
 366       gtk_widget_set_sensitive (window->input_volume_button, FALSE);
 367       gtk_widget_set_sensitive (window->hang_up_button, FALSE);
 368     }
 369   else if (window->status == EMPATHY_TP_CALL_STATUS_PENDING)
 370     {
 371       title = g_strdup_printf (_("%s - Empathy Call"),
 372           empathy_contact_get_name (contact));
 373
 374       gtk_window_set_title (GTK_WINDOW (window->window), title);
 375       gtk_label_set_text (GTK_LABEL (window->status_label), _("Ringing"));
 376       gtk_widget_set_sensitive (window->hang_up_button, TRUE);
 377       if (is_incoming)
 378           call_window_show_confirmation_dialog (window);
 379     }
 380   else if (window->status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 381     {
 382       gboolean receiving_video;
 383       gboolean sending_video;
 384
 385       if (stream_state == TP_MEDIA_STREAM_STATE_DISCONNECTED)
 386           gtk_label_set_text (GTK_LABEL (window->status_label), _("Disconnected"));
 387       if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTING)
 388           gtk_label_set_text (GTK_LABEL (window->status_label), _("Connecting"));
 389       else if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTED &&
 390                window->timeout_event_id == 0)
 391         {
 392           /* The call started, launch the timer */
 393           g_get_current_time (&(window->start_time));
 394           window->timeout_event_id = g_timeout_add_seconds (1,
 395               call_window_update_timer, window);
 396           call_window_update_timer (window);
 397         }
 398
 399       receiving_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE;
 400       sending_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_SEND;
 401       call_window_set_output_video_is_drawing (window, receiving_video);
 402       g_signal_handlers_block_by_func (window->video_button,
 403           call_window_video_button_toggled_cb, window);
 404       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (window->video_button),
 405           sending_video);
 406       g_signal_handlers_unblock_by_func (window->video_button,
 407           call_window_video_button_toggled_cb, window);
 408
 409       gtk_widget_set_sensitive (window->video_button, TRUE);
 410       gtk_widget_set_sensitive (window->output_volume_button, TRUE);
 411       gtk_widget_set_sensitive (window->input_volume_button, TRUE);
 412       gtk_widget_set_sensitive (window->hang_up_button, TRUE);
 413     }
 414   else if (window->status == EMPATHY_TP_CALL_STATUS_CLOSED)
 415       call_window_finalize (window);
 416
 417   if (contact)
 418       g_object_unref (contact);
 419 }
 420
 421 GtkWidget *
 422 empathy_call_window_new (EmpathyTpCall *call)
 423 {
 424   EmpathyCallWindow *window;
 425   GladeXML *glade;
 426   gchar *filename;
 427   const gchar *icons[] = {"audio-input-microphone", NULL};
 428
 429   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), NULL);
 430
 431   window = g_slice_new0 (EmpathyCallWindow);
 432   window->call = g_object_ref (call);
 433
 434   filename = empathy_file_lookup ("empathy-call-window.glade", "src");
 435   glade = empathy_glade_get_file (filename,
 436       "window",
 437       NULL,
 438       "window", &window->window,
 439       "main_hbox", &window->main_hbox,
 440       "controls_vbox", &window->controls_vbox,
 441       "volume_hbox", &window->volume_hbox,
 442       "status_label", &window->status_label,
 443       "video_button", &window->video_button,
 444       "hang_up_button", &window->hang_up_button,
 445       NULL);
 446   g_free (filename);
 447
 448   empathy_glade_connect (glade,
 449       window,
 450       "window", "destroy", call_window_destroy_cb,
 451       "window", "delete_event", call_window_delete_event_cb,
 452       "hang_up_button", "clicked", call_window_hang_up_button_clicked_cb,
 453       "video_button", "toggled", call_window_video_button_toggled_cb,
 454       NULL);
 455
 456   g_object_unref (glade);
 457
 458   /* Output volume button */
 459   window->output_volume_button = gtk_volume_button_new ();
 460   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->output_volume_button), 1);
 461   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 462       window->output_volume_button, FALSE, FALSE, 0);
 463   gtk_widget_show (window->output_volume_button);
 464   g_signal_connect (window->output_volume_button, "value-changed",
 465       G_CALLBACK (call_window_output_volume_changed_cb), window);
 466
 467   /* Input volume button */
 468   window->input_volume_button = gtk_volume_button_new ();
 469   gtk_scale_button_set_icons (GTK_SCALE_BUTTON (window->input_volume_button),
 470       icons);
 471   gtk_scale_button_set_value (GTK_SCALE_BUTTON (window->input_volume_button), 1);
 472   gtk_box_pack_start (GTK_BOX (window->volume_hbox),
 473       window->input_volume_button, FALSE, FALSE, 0);
 474   gtk_widget_show (window->input_volume_button);
 475   g_signal_connect (window->input_volume_button, "value-changed",
 476       G_CALLBACK (call_window_input_volume_changed_cb), window);
 477
 478   /* Output video socket */
 479   window->output_video_socket = g_object_ref (gtk_socket_new ());
 480   gtk_widget_set_size_request (window->output_video_socket, 400, 300);
 481   g_signal_connect (GTK_OBJECT (window->output_video_socket), "realize",
 482       G_CALLBACK (call_window_socket_realized_cb), window);
 483   gtk_widget_show (window->output_video_socket);
 484
 485   /* Preview video socket */
 486   window->preview_video_socket = g_object_ref (gtk_socket_new ());
 487   gtk_widget_set_size_request (window->preview_video_socket, 176, 144);
 488   g_signal_connect (GTK_OBJECT (window->preview_video_socket), "realize",
 489       G_CALLBACK (call_window_socket_realized_cb), window);
 490   gtk_box_pack_start (GTK_BOX (window->controls_vbox),
 491       window->preview_video_socket, TRUE, TRUE, 0);
 492   gtk_box_reorder_child (GTK_BOX (window->controls_vbox),
 493       window->preview_video_socket, 0);
 494   gtk_widget_show (window->preview_video_socket);
 495
 496   g_signal_connect_swapped (G_OBJECT (window->call), "notify",
 497       G_CALLBACK (call_window_update),
 498       window);
 499
 500   call_window_update (window);
 501   gtk_widget_show (window->window);
 502
 503   return window->window;
 504 }
 505