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