src/empathy-call-window.c

   1 /*
   2  *  Copyright (C) 2007 Elliot Fairweather
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License as published by the Free Software Foundation; either
   7  *  version 2.1 of the License, or (at your option) any later version.
   8  *
   9  *  This library 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  *  Lesser General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU Lesser General Public
  15  *  License along with this library; if not, write to the Free Software
  16  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  *
  18  *  Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
  19  */
  20
  21 #include <string.h>
  22
  23 #include <glade/glade.h>
  24 #include <glib/gi18n.h>
  25
  26 #include <telepathy-glib/enums.h>
  27
  28 #include <libempathy/empathy-contact.h>
  29 #include <libempathy/empathy-tp-call.h>
  30 #include <libempathy/empathy-debug.h>
  31 #include <libempathy/empathy-utils.h>
  32 #include <libempathy-gtk/empathy-ui-utils.h>
  33
  34 #include "empathy-call-window.h"
  35
  36 #define DEBUG_DOMAIN "CallWindow"
  37
  38 typedef struct
  39 {
  40   GtkWidget *window;
  41   GtkWidget *status_label;
  42   GtkWidget *start_call_button;
  43   GtkWidget *end_call_button;
  44   GtkWidget *input_volume_scale;
  45   GtkWidget *output_volume_scale;
  46   GtkWidget *input_mute_button;
  47   GtkWidget *output_mute_button;
  48   GtkWidget *preview_video_frame;
  49   GtkWidget *output_video_frame;
  50   GtkWidget *preview_video_socket;
  51   GtkWidget *output_video_socket;
  52   GtkWidget *video_button;
  53   GtkWidget *output_video_label;
  54
  55   EmpathyTpCall *call;
  56
  57   GTimeVal start_time;
  58   guint timeout_event_id;
  59
  60   gboolean is_drawing;
  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   GtkWidget* child;
 115
 116   child = gtk_bin_get_child (GTK_BIN (window->output_video_frame));
 117
 118   empathy_debug (DEBUG_DOMAIN,
 119       "Setting output video is drawing - %d", is_drawing);
 120
 121   if (is_drawing && !window->is_drawing)
 122     {
 123       if (child)
 124           gtk_container_remove (GTK_CONTAINER (window->output_video_frame),
 125               child);
 126       gtk_container_add (GTK_CONTAINER (window->output_video_frame),
 127           window->output_video_socket);
 128       gtk_widget_show (window->output_video_socket);
 129       empathy_tp_call_add_output_video (window->call,
 130           gtk_socket_get_id (GTK_SOCKET (window->output_video_socket)));
 131     }
 132   if (!is_drawing && window->is_drawing)
 133     {
 134       empathy_tp_call_add_output_video (window->call, 0);
 135       if (child)
 136           gtk_container_remove (GTK_CONTAINER (window->output_video_frame),
 137               child);
 138       gtk_container_add (GTK_CONTAINER (window->output_video_frame),
 139           window->output_video_label);
 140       gtk_widget_show (window->output_video_label);
 141     }
 142
 143   window->is_drawing = is_drawing;
 144 }
 145
 146 static void
 147 call_window_finalize (EmpathyCallWindow *window)
 148 {
 149   if (window->call)
 150     {
 151       call_window_stop_timeout (window);
 152       call_window_set_output_video_is_drawing (window, FALSE);
 153       empathy_tp_call_remove_preview_video (window->call,
 154           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 155       g_object_unref (window->call);
 156       window->call = NULL;
 157     }
 158 }
 159
 160 static void
 161 call_window_socket_realized_cb (GtkWidget *widget,
 162                                 EmpathyCallWindow *window)
 163 {
 164   if (widget == window->preview_video_socket)
 165     {
 166       empathy_debug (DEBUG_DOMAIN, "Preview socket realized");
 167       empathy_tp_call_add_preview_video (window->call,
 168           gtk_socket_get_id (GTK_SOCKET (window->preview_video_socket)));
 169     }
 170   else
 171       empathy_debug (DEBUG_DOMAIN, "Output socket realized");
 172 }
 173
 174 static void
 175 call_window_video_button_toggled_cb (GtkWidget *button,
 176                                      EmpathyCallWindow *window)
 177 {
 178   gboolean is_sending;
 179
 180   is_sending = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
 181
 182   empathy_debug (DEBUG_DOMAIN, "Send video toggled - %d", is_sending);
 183
 184   empathy_tp_call_request_video_stream_direction (window->call, is_sending);
 185 }
 186
 187 static void
 188 call_window_start_call_button_clicked_cb (GtkWidget *widget,
 189                                           EmpathyCallWindow *window)
 190 {
 191   empathy_debug (DEBUG_DOMAIN, "Start call clicked");
 192
 193   gtk_widget_set_sensitive (window->start_call_button, FALSE);
 194   empathy_tp_call_accept_incoming_call (window->call);
 195 }
 196
 197 static void
 198 call_window_end_call_button_clicked_cb (GtkWidget *widget,
 199                                         EmpathyCallWindow *window)
 200 {
 201   empathy_debug (DEBUG_DOMAIN, "End call clicked");
 202
 203   gtk_widget_set_sensitive (window->end_call_button, FALSE);
 204   call_window_finalize (window);
 205 }
 206
 207 static void
 208 call_window_output_volume_changed_cb (GtkWidget *scale,
 209                                       EmpathyCallWindow *window)
 210 {
 211   guint volume;
 212
 213   volume = (guint) gtk_range_get_value (GTK_RANGE (scale));
 214
 215   empathy_debug (DEBUG_DOMAIN, "Output volume changed - %u", volume);
 216
 217   empathy_tp_call_set_output_volume (window->call, volume);
 218 }
 219
 220 static void
 221 call_window_output_mute_button_toggled_cb (GtkWidget *button,
 222                                            EmpathyCallWindow *window)
 223 {
 224   gboolean is_muted;
 225
 226   is_muted = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
 227
 228   empathy_debug (DEBUG_DOMAIN, "Mute output toggled - %d", is_muted);
 229
 230   empathy_tp_call_mute_output (window->call, is_muted);
 231 }
 232
 233 static void
 234 call_window_input_mute_button_toggled_cb (GtkWidget *button,
 235                                           EmpathyCallWindow *window)
 236 {
 237   gboolean is_muted;
 238
 239   is_muted = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button));
 240
 241   empathy_debug (DEBUG_DOMAIN, "Mute input toggled - %d", is_muted);
 242
 243   empathy_tp_call_mute_input (window->call, is_muted);
 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;
 254
 255   empathy_debug (DEBUG_DOMAIN, "Delete event occurred");
 256
 257   g_object_get (G_OBJECT (window->call), "status", &status, NULL);
 258   if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 259     {
 260       dialog = gtk_message_dialog_new (GTK_WINDOW (window->window),
 261           GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 262           GTK_MESSAGE_QUESTION, GTK_BUTTONS_YES_NO,
 263           "This call will be ended. Continue?");
 264
 265       result = gtk_dialog_run (GTK_DIALOG (dialog));
 266       gtk_widget_destroy (dialog);
 267
 268       if (result != GTK_RESPONSE_YES)
 269           return TRUE;
 270     }
 271
 272   return FALSE;
 273 }
 274
 275 static void
 276 call_window_destroy_cb (GtkWidget *widget,
 277                         EmpathyCallWindow *window)
 278 {
 279   call_window_finalize (window);
 280   g_object_unref (window->output_video_socket);
 281   g_object_unref (window->preview_video_socket);
 282   g_object_unref (window->output_video_label);
 283   g_slice_free (EmpathyCallWindow, window);
 284 }
 285
 286 static void
 287 call_window_update (EmpathyCallWindow *window)
 288 {
 289   EmpathyContact *contact;
 290   guint status;
 291   guint stream_state;
 292   EmpathyTpCallStream *audio_stream;
 293   EmpathyTpCallStream *video_stream;
 294   gboolean is_incoming;
 295   gchar *title;
 296
 297   g_object_get (window->call,
 298       "status", &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       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 (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->start_call_button, is_incoming);
 324       gtk_widget_set_sensitive (window->end_call_button, FALSE);
 325       gtk_widget_set_sensitive (window->video_button, FALSE);
 326       gtk_widget_set_sensitive (window->input_volume_scale, FALSE);
 327       gtk_widget_set_sensitive (window->output_volume_scale, FALSE);
 328       gtk_widget_set_sensitive (window->input_mute_button, FALSE);
 329       gtk_widget_set_sensitive (window->output_mute_button, FALSE);
 330     }
 331   else if (status == EMPATHY_TP_CALL_STATUS_PENDING)
 332     {
 333       title = g_strdup_printf (_("%s - Empathy Call"),
 334           empathy_contact_get_name (contact));
 335
 336       gtk_window_set_title (GTK_WINDOW (window->window), title);
 337       gtk_label_set_text (GTK_LABEL (window->status_label), _("Ringing"));
 338       gtk_widget_set_sensitive (window->start_call_button, is_incoming);
 339       gtk_widget_set_sensitive (window->end_call_button, TRUE);
 340     }
 341   else if (status == EMPATHY_TP_CALL_STATUS_ACCEPTED)
 342     {
 343       gboolean receiving_video;
 344       gboolean sending_video;
 345
 346       if (stream_state == TP_MEDIA_STREAM_STATE_DISCONNECTED)
 347           gtk_label_set_text (GTK_LABEL (window->status_label), "Disconnected");
 348       if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTING)
 349           gtk_label_set_text (GTK_LABEL (window->status_label), "Connecting");
 350       else if (stream_state == TP_MEDIA_STREAM_STATE_CONNECTED &&
 351                window->timeout_event_id == 0)
 352         {
 353           /* The call started, launch the timer */
 354           g_get_current_time (&(window->start_time));
 355           window->timeout_event_id = g_timeout_add_seconds (1,
 356               call_window_update_timer, window);
 357           call_window_update_timer (window);
 358         }
 359
 360       receiving_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_RECEIVE;
 361       sending_video = video_stream->direction & TP_MEDIA_STREAM_DIRECTION_SEND;
 362       call_window_set_output_video_is_drawing (window, receiving_video);
 363       g_signal_handlers_block_by_func (window->video_button,
 364           call_window_video_button_toggled_cb, window);
 365       gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (window->video_button),
 366           sending_video);
 367       g_signal_handlers_unblock_by_func (window->video_button,
 368           call_window_video_button_toggled_cb, window);
 369
 370       gtk_widget_set_sensitive (window->video_button, TRUE);
 371       gtk_widget_set_sensitive (window->input_volume_scale, TRUE);
 372       gtk_widget_set_sensitive (window->output_volume_scale, TRUE);
 373       gtk_widget_set_sensitive (window->input_mute_button, TRUE);
 374       gtk_widget_set_sensitive (window->output_mute_button, TRUE);
 375     }
 376   else if (status == EMPATHY_TP_CALL_STATUS_CLOSED)
 377     {
 378       gtk_label_set_text (GTK_LABEL (window->status_label), "Closed");
 379       gtk_widget_set_sensitive (window->start_call_button, FALSE);
 380       gtk_widget_set_sensitive (window->end_call_button, FALSE);
 381       gtk_widget_set_sensitive (window->video_button, FALSE);
 382       gtk_widget_set_sensitive (window->input_volume_scale, FALSE);
 383       gtk_widget_set_sensitive (window->output_volume_scale, FALSE);
 384       gtk_widget_set_sensitive (window->input_mute_button, FALSE);
 385       gtk_widget_set_sensitive (window->output_mute_button, FALSE);
 386
 387       call_window_finalize (window);
 388     }
 389   if (contact)
 390       g_object_unref (contact);
 391 }
 392
 393 GtkWidget *
 394 empathy_call_window_new (EmpathyTpCall *call)
 395 {
 396   EmpathyCallWindow *window;
 397   GladeXML *glade;
 398   gchar *filename;
 399
 400   g_return_val_if_fail (EMPATHY_IS_TP_CALL (call), NULL);
 401
 402   window = g_slice_new0 (EmpathyCallWindow);
 403   window->call = g_object_ref (call);
 404
 405   filename = empathy_file_lookup ("empathy-call-window.glade", "src");
 406   glade = empathy_glade_get_file (filename,
 407       "window",
 408       NULL,
 409       "window", &window->window,
 410       "status_label", &window->status_label,
 411       "start_call_button", &window->start_call_button,
 412       "end_call_button", &window->end_call_button,
 413       "input_volume_scale", &window->input_volume_scale,
 414       "output_volume_scale", &window->output_volume_scale,
 415       "input_mute_button", &window->input_mute_button,
 416       "output_mute_button", &window->output_mute_button,
 417       "preview_video_frame", &window->preview_video_frame,
 418       "output_video_frame", &window->output_video_frame,
 419       "video_button", &window->video_button,
 420       NULL);
 421   g_free (filename);
 422
 423   empathy_glade_connect (glade,
 424       window,
 425       "window", "destroy", call_window_destroy_cb,
 426       "window", "delete_event", call_window_delete_event_cb,
 427       "input_mute_button", "toggled", call_window_input_mute_button_toggled_cb,
 428       "output_mute_button", "toggled", call_window_output_mute_button_toggled_cb,
 429       "output_volume_scale", "value-changed", call_window_output_volume_changed_cb,
 430       "start_call_button", "clicked", call_window_start_call_button_clicked_cb,
 431       "end_call_button", "clicked", call_window_end_call_button_clicked_cb,
 432       "video_button", "toggled", call_window_video_button_toggled_cb,
 433       NULL);
 434
 435   g_object_unref (glade);
 436
 437   /* Output video label */
 438   window->output_video_label = g_object_ref (gtk_label_new ("No video output"));
 439   gtk_container_add (GTK_CONTAINER (window->output_video_frame),
 440       window->output_video_label);
 441   gtk_widget_show (window->output_video_label);
 442
 443   /* Output video socket */
 444   window->output_video_socket = g_object_ref (gtk_socket_new ());
 445   g_signal_connect (GTK_OBJECT (window->output_video_socket), "realize",
 446       G_CALLBACK (call_window_socket_realized_cb), window);
 447   gtk_widget_show (window->output_video_socket);
 448
 449   /* Preview video socket */
 450   window->preview_video_socket = g_object_ref (gtk_socket_new ());
 451   g_signal_connect (GTK_OBJECT (window->preview_video_socket), "realize",
 452       G_CALLBACK (call_window_socket_realized_cb), window);
 453   gtk_container_add (GTK_CONTAINER (window->preview_video_frame),
 454       window->preview_video_socket);
 455   gtk_widget_show (window->preview_video_socket);
 456
 457   g_signal_connect_swapped (G_OBJECT (window->call), "notify",
 458       G_CALLBACK (call_window_update),
 459       window);
 460
 461   call_window_update (window);
 462   gtk_widget_show (window->window);
 463
 464   return window->window;
 465 }
 466