src/empathy-call-window.c

   1 /*
   2  * empathy-call-window.c - Source for EmpathyCallWindow
   3  * Copyright (C) 2008 Collabora Ltd.
   4  * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
   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
  21
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24
  25 #include <math.h>
  26
  27 #include <gst/gst.h>
  28 #include <gtk/gtk.h>
  29 #include <glib/gi18n.h>
  30
  31 #include <telepathy-farsight/channel.h>
  32
  33 #include <libempathy/empathy-utils.h>
  34 #include <libempathy-gtk/empathy-video-widget.h>
  35 #include <libempathy-gtk/empathy-audio-src.h>
  36 #include <libempathy-gtk/empathy-audio-sink.h>
  37 #include <libempathy-gtk/empathy-video-src.h>
  38 #include <libempathy-gtk/empathy-ui-utils.h>
  39
  40 #include "empathy-call-window.h"
  41
  42 #include "empathy-sidebar.h"
  43
  44 #define BUTTON_ID "empathy-call-dtmf-button-id"
  45
  46 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
  47
  48 /* signal enum */
  49 #if 0
  50 enum
  51 {
  52     LAST_SIGNAL
  53 };
  54
  55 static guint signals[LAST_SIGNAL] = {0};
  56 #endif
  57
  58 enum {
  59   PROP_CALL_HANDLER = 1,
  60 };
  61
  62 /* private structure */
  63 typedef struct _EmpathyCallWindowPriv EmpathyCallWindowPriv;
  64
  65 struct _EmpathyCallWindowPriv
  66 {
  67   gboolean dispose_has_run;
  68   EmpathyCallHandler *handler;
  69
  70   gboolean connected;
  71
  72   GtkUIManager *ui_manager;
  73   GtkWidget *video_output;
  74   GtkWidget *video_preview;
  75   GtkWidget *sidebar;
  76   GtkWidget *sidebar_button;
  77   GtkWidget *statusbar;
  78   GtkWidget *volume_button;
  79   GtkWidget *mic_button;
  80   GtkWidget *camera_button;
  81   GtkWidget *toolbar;
  82   GtkWidget *pane;
  83   GtkAction *send_video;
  84
  85   gdouble volume;
  86   GtkAdjustment *audio_input_adj;
  87
  88   GtkWidget *dtmf_panel;
  89
  90   GstElement *video_input;
  91   GstElement *audio_input;
  92   GstElement *audio_output;
  93   GstElement *pipeline;
  94   GstElement *video_tee;
  95
  96   GstElement *funnel;
  97   GstElement *liveadder;
  98
  99   guint context_id;
 100
 101   GTimer *timer;
 102   guint timer_id;
 103
 104   GtkWidget *video_contrast;
 105   GtkWidget *video_brightness;
 106   GtkWidget *video_gamma;
 107
 108   GMutex *lock;
 109   gboolean call_started;
 110 };
 111
 112 #define GET_PRIV(o) \
 113   (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CALL_WINDOW, \
 114     EmpathyCallWindowPriv))
 115
 116 static void empathy_call_window_realized_cb (GtkWidget *widget,
 117   EmpathyCallWindow *window);
 118
 119 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 120   GdkEvent*event, EmpathyCallWindow *window);
 121
 122 static void empathy_call_window_sidebar_toggled_cb (GtkToggleButton *toggle,
 123   EmpathyCallWindow *window);
 124
 125 static void empathy_call_window_camera_toggled_cb (GtkToggleToolButton *toggle,
 126   EmpathyCallWindow *window);
 127
 128 static void empathy_call_window_send_video_toggled_cb (GtkToggleAction *toggle,
 129   EmpathyCallWindow *window);
 130
 131 static void empathy_call_window_show_preview_toggled_cb (GtkToggleAction *toggle,
 132   EmpathyCallWindow *window);
 133
 134 static void empathy_call_window_mic_toggled_cb (
 135   GtkToggleToolButton *toggle, EmpathyCallWindow *window);
 136
 137 static void empathy_call_window_sidebar_hidden_cb (EmpathySidebar *sidebar,
 138   EmpathyCallWindow *window);
 139
 140 static void empathy_call_window_hangup_cb (gpointer object,
 141   EmpathyCallWindow *window);
 142
 143 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 144   gchar *message);
 145
 146 static gboolean empathy_call_window_bus_message (GstBus *bus,
 147   GstMessage *message, gpointer user_data);
 148
 149 static void
 150 empathy_call_window_volume_changed_cb (GtkScaleButton *button,
 151   gdouble value, EmpathyCallWindow *window);
 152
 153 static void
 154 empathy_call_window_setup_toolbar (EmpathyCallWindow *self)
 155 {
 156   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 157   GtkToolItem *tool_item;
 158
 159   /* Add an empty expanded GtkToolItem so the volume button is at the end of
 160    * the toolbar. */
 161   tool_item = gtk_tool_item_new ();
 162   gtk_tool_item_set_expand (tool_item, TRUE);
 163   gtk_widget_show (GTK_WIDGET (tool_item));
 164   gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1);
 165
 166   priv->volume_button = gtk_volume_button_new ();
 167   /* FIXME listen to the audiosinks signals and update the button according to
 168    * that, for now starting out at 1.0 and assuming only the app changes the
 169    * volume will do */
 170   gtk_scale_button_set_value (GTK_SCALE_BUTTON (priv->volume_button), 1.0);
 171   g_signal_connect (G_OBJECT (priv->volume_button), "value-changed",
 172     G_CALLBACK (empathy_call_window_volume_changed_cb), self);
 173
 174   tool_item = gtk_tool_item_new ();
 175   gtk_container_add (GTK_CONTAINER (tool_item), priv->volume_button);
 176   gtk_widget_show_all (GTK_WIDGET (tool_item));
 177   gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1);
 178 }
 179
 180 static void
 181 dtmf_button_pressed_cb (GtkButton *button, EmpathyCallWindow *window)
 182 {
 183   EmpathyCallWindowPriv *priv = GET_PRIV (window);
 184   EmpathyTpCall *call;
 185   GQuark button_quark;
 186   TpDTMFEvent event;
 187
 188   g_object_get (priv->handler, "tp-call", &call, NULL);
 189
 190   button_quark = g_quark_from_static_string (BUTTON_ID);
 191   event = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (button),
 192     button_quark));
 193
 194   empathy_tp_call_start_tone (call, event);
 195
 196   g_object_unref (call);
 197 }
 198
 199 static void
 200 dtmf_button_released_cb (GtkButton *button, EmpathyCallWindow *window)
 201 {
 202   EmpathyCallWindowPriv *priv = GET_PRIV (window);
 203   EmpathyTpCall *call;
 204
 205   g_object_get (priv->handler, "tp-call", &call, NULL);
 206
 207   empathy_tp_call_stop_tone (call);
 208
 209   g_object_unref (call);
 210 }
 211
 212 static GtkWidget *
 213 empathy_call_window_create_dtmf (EmpathyCallWindow *self)
 214 {
 215   GtkWidget *table;
 216   int i;
 217   GQuark button_quark;
 218   struct {
 219     gchar *label;
 220     TpDTMFEvent event;
 221   } dtmfbuttons[] = { { "1", TP_DTMF_EVENT_DIGIT_1 },
 222                       { "2", TP_DTMF_EVENT_DIGIT_2 },
 223                       { "3", TP_DTMF_EVENT_DIGIT_3 },
 224                       { "4", TP_DTMF_EVENT_DIGIT_4 },
 225                       { "5", TP_DTMF_EVENT_DIGIT_5 },
 226                       { "6", TP_DTMF_EVENT_DIGIT_6 },
 227                       { "7", TP_DTMF_EVENT_DIGIT_7 },
 228                       { "8", TP_DTMF_EVENT_DIGIT_8 },
 229                       { "9", TP_DTMF_EVENT_DIGIT_9 },
 230                       { "#", TP_DTMF_EVENT_HASH },
 231                       { "0", TP_DTMF_EVENT_DIGIT_0 },
 232                       { "*", TP_DTMF_EVENT_ASTERISK },
 233                       { NULL, } };
 234
 235   button_quark = g_quark_from_static_string (BUTTON_ID);
 236
 237   table = gtk_table_new (4, 3, TRUE);
 238
 239   for (i = 0; dtmfbuttons[i].label != NULL; i++)
 240     {
 241       GtkWidget *button = gtk_button_new_with_label (dtmfbuttons[i].label);
 242       gtk_table_attach (GTK_TABLE (table), button, i % 3, i % 3 + 1,
 243         i/3, i/3 + 1, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 1, 1);
 244
 245       g_object_set_qdata (G_OBJECT (button), button_quark,
 246         GUINT_TO_POINTER (dtmfbuttons[i].event));
 247
 248       g_signal_connect (G_OBJECT (button), "pressed",
 249         G_CALLBACK (dtmf_button_pressed_cb), self);
 250       g_signal_connect (G_OBJECT (button), "released",
 251         G_CALLBACK (dtmf_button_released_cb), self);
 252     }
 253
 254   return table;
 255 }
 256
 257 static GtkWidget *
 258 empathy_call_window_create_video_input_add_slider (EmpathyCallWindow *self,
 259   gchar *label_text, GtkWidget *bin)
 260 {
 261    GtkWidget *vbox = gtk_vbox_new (FALSE, 2);
 262    GtkWidget *scale = gtk_vscale_new_with_range (0, 100, 10);
 263    GtkWidget *label = gtk_label_new (label_text);
 264
 265    gtk_widget_set_sensitive (scale, FALSE);
 266
 267    gtk_container_add (GTK_CONTAINER (bin), vbox);
 268
 269    gtk_range_set_inverted (GTK_RANGE (scale), TRUE);
 270    gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
 271    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 272
 273    return scale;
 274 }
 275
 276 static void
 277 empathy_call_window_video_contrast_changed_cb (GtkAdjustment *adj,
 278   EmpathyCallWindow *self)
 279
 280 {
 281   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 282
 283   empathy_video_src_set_channel (priv->video_input,
 284     EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST, gtk_adjustment_get_value (adj));
 285 }
 286
 287 static void
 288 empathy_call_window_video_brightness_changed_cb (GtkAdjustment *adj,
 289   EmpathyCallWindow *self)
 290
 291 {
 292   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 293
 294   empathy_video_src_set_channel (priv->video_input,
 295     EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS, gtk_adjustment_get_value (adj));
 296 }
 297
 298 static void
 299 empathy_call_window_video_gamma_changed_cb (GtkAdjustment *adj,
 300   EmpathyCallWindow *self)
 301
 302 {
 303   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 304
 305   empathy_video_src_set_channel (priv->video_input,
 306     EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA, gtk_adjustment_get_value (adj));
 307 }
 308
 309
 310 static GtkWidget *
 311 empathy_call_window_create_video_input (EmpathyCallWindow *self)
 312 {
 313   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 314   GtkWidget *hbox;
 315
 316   hbox = gtk_hbox_new (TRUE, 3);
 317
 318   priv->video_contrast = empathy_call_window_create_video_input_add_slider (
 319     self,  _("Contrast"), hbox);
 320
 321   priv->video_brightness = empathy_call_window_create_video_input_add_slider (
 322     self,  _("Brightness"), hbox);
 323
 324   priv->video_gamma = empathy_call_window_create_video_input_add_slider (
 325     self,  _("Gamma"), hbox);
 326
 327   return hbox;
 328 }
 329
 330 static void
 331 empathy_call_window_setup_video_input (EmpathyCallWindow *self)
 332 {
 333   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 334   guint supported;
 335   GtkAdjustment *adj;
 336
 337   supported = empathy_video_src_get_supported_channels (priv->video_input);
 338
 339   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_CONTRAST)
 340     {
 341       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_contrast));
 342
 343       gtk_adjustment_set_value (adj,
 344         empathy_video_src_get_channel (priv->video_input,
 345           EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST));
 346
 347       g_signal_connect (G_OBJECT (adj), "value-changed",
 348         G_CALLBACK (empathy_call_window_video_contrast_changed_cb), self);
 349
 350       gtk_widget_set_sensitive (priv->video_contrast, TRUE);
 351     }
 352
 353   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_BRIGHTNESS)
 354     {
 355       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_brightness));
 356
 357       gtk_adjustment_set_value (adj,
 358         empathy_video_src_get_channel (priv->video_input,
 359           EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS));
 360
 361       g_signal_connect (G_OBJECT (adj), "value-changed",
 362         G_CALLBACK (empathy_call_window_video_brightness_changed_cb), self);
 363       gtk_widget_set_sensitive (priv->video_brightness, TRUE);
 364     }
 365
 366   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_GAMMA)
 367     {
 368       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_gamma));
 369
 370       gtk_adjustment_set_value (adj,
 371         empathy_video_src_get_channel (priv->video_input,
 372           EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA));
 373
 374       g_signal_connect (G_OBJECT (adj), "value-changed",
 375         G_CALLBACK (empathy_call_window_video_gamma_changed_cb), self);
 376       gtk_widget_set_sensitive (priv->video_gamma, TRUE);
 377     }
 378 }
 379
 380 static void
 381 empathy_call_window_mic_volume_changed_cb (GtkAdjustment *adj,
 382   EmpathyCallWindow *self)
 383 {
 384   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 385   gdouble volume;
 386
 387   volume =  gtk_adjustment_get_value (adj)/100.0;
 388
 389   /* Don't store the volume because of muting */
 390   if (volume > 0 || gtk_toggle_tool_button_get_active (
 391         GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
 392     priv->volume = volume;
 393
 394   /* Ensure that the toggle button is active if the volume is > 0 and inactive
 395    * if it's smaller then 0 */
 396   if ((volume > 0) != gtk_toggle_tool_button_get_active (
 397         GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
 398     gtk_toggle_tool_button_set_active (
 399       GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), volume > 0);
 400
 401   empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
 402     volume);
 403 }
 404
 405 static void
 406 empathy_call_window_audio_input_level_changed_cb (EmpathyGstAudioSrc *src,
 407   gdouble level, GtkProgressBar *bar)
 408 {
 409   gdouble value;
 410
 411   value = CLAMP (pow (10, level / 20), 0.0, 1.0);
 412   gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (bar), value);
 413 }
 414
 415 static GtkWidget *
 416 empathy_call_window_create_audio_input (EmpathyCallWindow *self)
 417 {
 418   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 419   GtkWidget *hbox, *vbox, *scale, *progress, *label;
 420   GtkAdjustment *adj;
 421
 422   hbox = gtk_hbox_new (TRUE, 3);
 423
 424   vbox = gtk_vbox_new (FALSE, 3);
 425   gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 3);
 426
 427   scale = gtk_vscale_new_with_range (0, 150, 100);
 428   gtk_range_set_inverted (GTK_RANGE (scale), TRUE);
 429   label = gtk_label_new (_("Volume"));
 430
 431   priv->audio_input_adj = adj = gtk_range_get_adjustment (GTK_RANGE (scale));
 432   priv->volume =  empathy_audio_src_get_volume (EMPATHY_GST_AUDIO_SRC
 433     (priv->audio_input));
 434   gtk_adjustment_set_value (adj, priv->volume * 100);
 435
 436   g_signal_connect (G_OBJECT (adj), "value-changed",
 437     G_CALLBACK (empathy_call_window_mic_volume_changed_cb), self);
 438
 439   gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 3);
 440   gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 3);
 441
 442   progress = gtk_progress_bar_new ();
 443   gtk_progress_bar_set_orientation (GTK_PROGRESS_BAR (progress),
 444     GTK_PROGRESS_BOTTOM_TO_TOP);
 445   gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (progress), 0);
 446
 447   g_signal_connect (priv->audio_input, "peak-level-changed",
 448     G_CALLBACK (empathy_call_window_audio_input_level_changed_cb), progress);
 449
 450   gtk_box_pack_start (GTK_BOX (hbox), progress, FALSE, FALSE, 3);
 451
 452   return hbox;
 453 }
 454
 455 static void
 456 empathy_call_window_init (EmpathyCallWindow *self)
 457 {
 458   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 459   GtkBuilder *gui;
 460   GtkWidget *vbox, *top_vbox;
 461   GtkWidget *hbox, *h;
 462   GtkWidget *arrow;
 463   GtkWidget *page;
 464   GstBus *bus;
 465   gchar *filename;
 466
 467   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
 468   gui = empathy_builder_get_file (filename,
 469     "call_window_vbox", &top_vbox,
 470     "pane", &priv->pane,
 471     "statusbar", &priv->statusbar,
 472     "microphone", &priv->mic_button,
 473     "camera", &priv->camera_button,
 474     "toolbar", &priv->toolbar,
 475     "send_video", &priv->send_video,
 476     "ui_manager", &priv->ui_manager,
 477     NULL);
 478
 479   empathy_builder_connect (gui, self,
 480     "menuhangup", "activate", empathy_call_window_hangup_cb,
 481     "hangup", "clicked", empathy_call_window_hangup_cb,
 482     "microphone", "toggled", empathy_call_window_mic_toggled_cb,
 483     "camera", "toggled", empathy_call_window_camera_toggled_cb,
 484     "send_video", "toggled", empathy_call_window_send_video_toggled_cb,
 485     "show_preview", "toggled", empathy_call_window_show_preview_toggled_cb,
 486     NULL);
 487
 488   priv->lock = g_mutex_new ();
 489
 490   gtk_container_add (GTK_CONTAINER (self), top_vbox);
 491
 492   empathy_call_window_setup_toolbar (self);
 493
 494   priv->pipeline = gst_pipeline_new (NULL);
 495
 496   hbox = gtk_hbox_new (FALSE, 3);
 497   gtk_container_set_border_width (GTK_CONTAINER (hbox), 6);
 498   gtk_paned_pack1 (GTK_PANED (priv->pane), hbox, TRUE, FALSE);
 499
 500   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
 501
 502   gst_bus_add_watch (bus, empathy_call_window_bus_message, self);
 503
 504   priv->video_output = empathy_video_widget_new (bus);
 505   gtk_box_pack_start (GTK_BOX (hbox), priv->video_output, TRUE, TRUE, 3);
 506
 507   priv->video_tee = gst_element_factory_make ("tee", NULL);
 508   gst_object_ref (priv->video_tee);
 509   gst_object_sink (priv->video_tee);
 510
 511   vbox = gtk_vbox_new (FALSE, 3);
 512   gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 3);
 513
 514   priv->video_preview = empathy_video_widget_new_with_size (bus, 160, 120);
 515   g_object_set (priv->video_preview, "sync", FALSE, "async", TRUE, NULL);
 516   gtk_box_pack_start (GTK_BOX (vbox), priv->video_preview, FALSE, FALSE, 0);
 517
 518   priv->video_input = empathy_video_src_new ();
 519   gst_object_ref (priv->video_input);
 520   gst_object_sink (priv->video_input);
 521
 522   priv->audio_input = empathy_audio_src_new ();
 523   gst_object_ref (priv->audio_input);
 524   gst_object_sink (priv->audio_input);
 525
 526   priv->audio_output = empathy_audio_sink_new ();
 527   gst_object_ref (priv->audio_output);
 528   gst_object_sink (priv->audio_output);
 529
 530   g_object_unref (bus);
 531
 532   priv->sidebar_button = gtk_toggle_button_new_with_mnemonic (_("_Sidebar"));
 533   arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
 534   g_signal_connect (G_OBJECT (priv->sidebar_button), "toggled",
 535     G_CALLBACK (empathy_call_window_sidebar_toggled_cb), self);
 536
 537   gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow);
 538
 539   h = gtk_hbox_new (FALSE, 3);
 540   gtk_box_pack_end (GTK_BOX (vbox), h, FALSE, FALSE, 3);
 541   gtk_box_pack_end (GTK_BOX (h), priv->sidebar_button, FALSE, FALSE, 3);
 542
 543   priv->sidebar = empathy_sidebar_new ();
 544   g_signal_connect (G_OBJECT (priv->sidebar),
 545     "hide", G_CALLBACK (empathy_call_window_sidebar_hidden_cb),
 546     self);
 547   gtk_paned_pack2 (GTK_PANED (priv->pane), priv->sidebar, FALSE, FALSE);
 548
 549   priv->dtmf_panel = empathy_call_window_create_dtmf (self);
 550   empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Dialpad"),
 551     priv->dtmf_panel);
 552
 553   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
 554
 555   page = empathy_call_window_create_audio_input (self);
 556   empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Audio input"),
 557     page);
 558
 559   page = empathy_call_window_create_video_input (self);
 560   empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Video input"),
 561     page);
 562
 563   gtk_widget_show_all (top_vbox);
 564
 565   gtk_widget_hide (priv->sidebar);
 566
 567   g_signal_connect (G_OBJECT (self), "realize",
 568     G_CALLBACK (empathy_call_window_realized_cb), self);
 569
 570   g_signal_connect (G_OBJECT (self), "delete-event",
 571     G_CALLBACK (empathy_call_window_delete_cb), self);
 572
 573   empathy_call_window_status_message (self, _("Connecting..."));
 574
 575   priv->timer = g_timer_new ();
 576
 577   g_object_ref (priv->ui_manager);
 578   g_object_unref (gui);
 579 }
 580
 581 static void empathy_call_window_dispose (GObject *object);
 582 static void empathy_call_window_finalize (GObject *object);
 583
 584 static void
 585 empathy_call_window_set_property (GObject *object,
 586   guint property_id, const GValue *value, GParamSpec *pspec)
 587 {
 588   EmpathyCallWindowPriv *priv = GET_PRIV (object);
 589
 590   switch (property_id)
 591     {
 592       case PROP_CALL_HANDLER:
 593         priv->handler = g_value_dup_object (value);
 594         break;
 595       default:
 596         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 597     }
 598 }
 599
 600 static void
 601 empathy_call_window_get_property (GObject *object,
 602   guint property_id, GValue *value, GParamSpec *pspec)
 603 {
 604   EmpathyCallWindowPriv *priv = GET_PRIV (object);
 605
 606   switch (property_id)
 607     {
 608       case PROP_CALL_HANDLER:
 609         g_value_set_object (value, priv->handler);
 610         break;
 611       default:
 612         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 613     }
 614 }
 615
 616 static void
 617 empathy_call_window_class_init (
 618   EmpathyCallWindowClass *empathy_call_window_class)
 619 {
 620   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
 621   GParamSpec *param_spec;
 622
 623   g_type_class_add_private (empathy_call_window_class,
 624     sizeof (EmpathyCallWindowPriv));
 625
 626   object_class->set_property = empathy_call_window_set_property;
 627   object_class->get_property = empathy_call_window_get_property;
 628
 629   object_class->dispose = empathy_call_window_dispose;
 630   object_class->finalize = empathy_call_window_finalize;
 631
 632   param_spec = g_param_spec_object ("handler",
 633     "handler", "The call handler",
 634     EMPATHY_TYPE_CALL_HANDLER,
 635     G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
 636   g_object_class_install_property (object_class,
 637     PROP_CALL_HANDLER, param_spec);
 638
 639 }
 640
 641 void
 642 empathy_call_window_dispose (GObject *object)
 643 {
 644   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
 645   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 646
 647   if (priv->dispose_has_run)
 648     return;
 649
 650   priv->dispose_has_run = TRUE;
 651
 652   if (priv->handler != NULL)
 653     g_object_unref (priv->handler);
 654
 655   priv->handler = NULL;
 656
 657   if (priv->pipeline != NULL)
 658     g_object_unref (priv->pipeline);
 659   priv->pipeline = NULL;
 660
 661   if (priv->video_input != NULL)
 662     g_object_unref (priv->video_input);
 663   priv->video_input = NULL;
 664
 665   if (priv->audio_input != NULL)
 666     g_object_unref (priv->audio_input);
 667   priv->audio_input = NULL;
 668
 669   if (priv->audio_output != NULL)
 670     g_object_unref (priv->audio_output);
 671   priv->audio_output = NULL;
 672
 673   if (priv->video_tee != NULL)
 674     g_object_unref (priv->video_tee);
 675   priv->video_tee = NULL;
 676
 677   if (priv->timer_id != 0)
 678     g_source_remove (priv->timer_id);
 679   priv->timer_id = 0;
 680
 681   if (priv->ui_manager != NULL)
 682     g_object_unref (priv->ui_manager);
 683   priv->ui_manager = NULL;
 684
 685   /* release any references held by the object here */
 686   if (G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose)
 687     G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
 688 }
 689
 690 void
 691 empathy_call_window_finalize (GObject *object)
 692 {
 693   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
 694   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 695
 696   /* free any data held directly by the object here */
 697   g_mutex_free (priv->lock);
 698
 699   g_timer_destroy (priv->timer);
 700
 701   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
 702 }
 703
 704
 705 EmpathyCallWindow *
 706 empathy_call_window_new (EmpathyCallHandler *handler)
 707 {
 708   return EMPATHY_CALL_WINDOW (
 709     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
 710 }
 711
 712 static void
 713 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
 714   GstElement *conference, gpointer user_data)
 715 {
 716   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 717   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 718
 719   gst_bin_add (GST_BIN (priv->pipeline), conference);
 720
 721   gst_element_set_state (conference, GST_STATE_PLAYING);
 722 }
 723
 724 static gboolean
 725 empathy_call_window_request_resource_cb (EmpathyCallHandler *handler,
 726   FsMediaType type, FsStreamDirection direction, gpointer user_data)
 727 {
 728   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 729   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 730
 731   if (type != TP_MEDIA_STREAM_TYPE_VIDEO)
 732     return TRUE;
 733
 734   if (direction == FS_DIRECTION_RECV)
 735     return TRUE;
 736
 737   /* video and direction is send */
 738   return priv->video_input != NULL;
 739 }
 740
 741 static void
 742 empathy_call_window_disconnected (EmpathyCallWindow *self)
 743 {
 744   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 745
 746   g_mutex_lock (priv->lock);
 747
 748   g_timer_stop (priv->timer);
 749
 750   if (priv->timer_id != 0)
 751     g_source_remove (priv->timer_id);
 752   priv->timer_id = 0;
 753
 754   g_mutex_unlock (priv->lock);
 755
 756   empathy_call_window_status_message (self, _("Disconnected"));
 757
 758   gtk_widget_set_sensitive (priv->camera_button, FALSE);
 759   gtk_action_set_sensitive (priv->send_video, FALSE);
 760 }
 761
 762
 763 static void
 764 empathy_call_window_channel_closed_cb (TfChannel *channel, gpointer user_data)
 765 {
 766   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 767
 768   empathy_call_window_disconnected (self);
 769 }
 770
 771 /* Called with global lock held */
 772 static GstPad *
 773 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
 774 {
 775   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 776   GstPad *pad;
 777
 778   if (priv->funnel == NULL)
 779     {
 780       GstElement *output;
 781
 782       output = empathy_video_widget_get_element (EMPATHY_VIDEO_WIDGET
 783         (priv->video_output));
 784
 785       priv->funnel = gst_element_factory_make ("fsfunnel", NULL);
 786
 787       gst_bin_add (GST_BIN (priv->pipeline), priv->funnel);
 788       gst_bin_add (GST_BIN (priv->pipeline), output);
 789
 790       gst_element_link (priv->funnel, output);
 791
 792       gst_element_set_state (priv->funnel, GST_STATE_PLAYING);
 793       gst_element_set_state (output, GST_STATE_PLAYING);
 794     }
 795
 796   pad = gst_element_get_request_pad (priv->funnel, "sink%d");
 797
 798   return pad;
 799 }
 800
 801 /* Called with global lock held */
 802 static GstPad *
 803 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self)
 804 {
 805   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 806   GstPad *pad;
 807
 808   if (priv->liveadder == NULL)
 809     {
 810       priv->liveadder = gst_element_factory_make ("liveadder", NULL);
 811
 812       gst_bin_add (GST_BIN (priv->pipeline), priv->liveadder);
 813       gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output);
 814
 815       gst_element_link (priv->liveadder, priv->audio_output);
 816
 817       gst_element_set_state (priv->liveadder, GST_STATE_PLAYING);
 818       gst_element_set_state (priv->audio_output, GST_STATE_PLAYING);
 819     }
 820
 821   pad = gst_element_get_request_pad (priv->liveadder, "sink%d");
 822
 823   return pad;
 824 }
 825
 826 static gboolean
 827 empathy_call_window_update_timer (gpointer user_data)
 828 {
 829   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 830   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 831   gchar *str;
 832   gdouble time;
 833
 834   time = g_timer_elapsed (priv->timer, NULL);
 835
 836   /* Translators: number of minutes:seconds the caller has been connected */
 837   str = g_strdup_printf (_("Connected — %d:%02dm"), (int) time / 60,
 838     (int) time % 60);
 839   empathy_call_window_status_message (self, str);
 840   g_free (str);
 841
 842   return TRUE;
 843 }
 844
 845 static gboolean
 846 empathy_call_window_connected (gpointer user_data)
 847 {
 848   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 849   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 850   EmpathyTpCall *call;
 851
 852   g_object_get (priv->handler, "tp-call", &call, NULL);
 853
 854   if (empathy_tp_call_has_dtmf (call))
 855     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
 856
 857   if (priv->video_input != NULL)
 858     {
 859       gtk_widget_set_sensitive (priv->camera_button, TRUE);
 860       gtk_action_set_sensitive (priv->send_video, TRUE);
 861     }
 862
 863   g_object_unref (call);
 864
 865   g_mutex_lock (priv->lock);
 866
 867   priv->timer_id = g_timeout_add_seconds (1,
 868     empathy_call_window_update_timer, self);
 869
 870   g_mutex_unlock (priv->lock);
 871
 872   empathy_call_window_update_timer (self);
 873
 874   return FALSE;
 875 }
 876
 877
 878 /* Called from the streaming thread */
 879 static void
 880 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
 881   GstPad *src, guint media_type, gpointer user_data)
 882 {
 883   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 884   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 885
 886   GstPad *pad;
 887
 888   g_mutex_lock (priv->lock);
 889
 890   if (priv->connected == FALSE)
 891     {
 892       g_timer_start (priv->timer);
 893       priv->timer_id = g_idle_add  (empathy_call_window_connected, self);
 894       priv->connected = TRUE;
 895     }
 896
 897   switch (media_type)
 898     {
 899       case TP_MEDIA_STREAM_TYPE_AUDIO:
 900         pad = empathy_call_window_get_audio_sink_pad (self);
 901         break;
 902       case TP_MEDIA_STREAM_TYPE_VIDEO:
 903         pad = empathy_call_window_get_video_sink_pad (self);
 904         break;
 905       default:
 906         g_assert_not_reached ();
 907     }
 908
 909   gst_pad_link (src, pad);
 910   gst_object_unref (pad);
 911
 912   g_mutex_unlock (priv->lock);
 913 }
 914
 915 /* Called from the streaming thread */
 916 static void
 917 empathy_call_window_sink_added_cb (EmpathyCallHandler *handler,
 918   GstPad *sink, guint media_type, gpointer user_data)
 919 {
 920   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 921   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 922   GstPad *pad;
 923
 924   switch (media_type)
 925     {
 926       case TP_MEDIA_STREAM_TYPE_AUDIO:
 927         gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input);
 928
 929         pad = gst_element_get_static_pad (priv->audio_input, "src");
 930         gst_pad_link (pad, sink);
 931
 932         gst_element_set_state (priv->audio_input, GST_STATE_PLAYING);
 933         break;
 934       case TP_MEDIA_STREAM_TYPE_VIDEO:
 935         if (priv->video_input != NULL)
 936           {
 937             pad =  gst_element_get_request_pad (priv->video_tee, "src%d");
 938             gst_pad_link (pad, sink);
 939           }
 940         break;
 941       default:
 942         g_assert_not_reached ();
 943     }
 944
 945 }
 946
 947 static gboolean
 948 empathy_gst_bin_has_child (GstBin *bin, GstElement *element)
 949 {
 950   GstIterator *it;
 951   gboolean ret = FALSE;
 952   GstElement *item;
 953
 954   it = gst_bin_iterate_recurse (bin);
 955
 956   for (;;)
 957     {
 958       switch (gst_iterator_next (it, (gpointer *)&item))
 959        {
 960          case GST_ITERATOR_OK:
 961            if (item == element)
 962             {
 963               gst_object_unref (GST_OBJECT (item));
 964               ret = TRUE;
 965               goto out;
 966             }
 967            gst_object_unref (GST_OBJECT (item));
 968            break;
 969          case GST_ITERATOR_RESYNC:
 970            gst_iterator_resync (it);
 971            break;
 972         case GST_ITERATOR_ERROR:
 973            g_assert_not_reached ();
 974            /* fallthrough */
 975         case GST_ITERATOR_DONE:
 976            goto out;
 977            break;
 978       }
 979     }
 980     gst_iterator_free (it);
 981
 982 out:
 983   return ret;
 984 }
 985
 986 static void
 987 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
 988 {
 989   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 990   GstElement *preview;
 991
 992   preview = empathy_video_widget_get_element (
 993     EMPATHY_VIDEO_WIDGET (priv->video_preview));
 994
 995   gst_element_set_state (priv->video_input, GST_STATE_NULL);
 996   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
 997   gst_element_set_state (preview, GST_STATE_NULL);
 998
 999   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
1000     priv->video_tee, preview, NULL);
1001
1002   g_object_unref (priv->video_input);
1003   priv->video_input = NULL;
1004   g_object_unref (priv->video_tee);
1005   priv->video_tee = NULL;
1006 }
1007
1008
1009 static gboolean
1010 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
1011   gpointer user_data)
1012 {
1013   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
1014   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1015   GstState newstate;
1016
1017   empathy_call_handler_bus_message (priv->handler, bus, message);
1018
1019   switch (GST_MESSAGE_TYPE (message))
1020     {
1021       case GST_MESSAGE_STATE_CHANGED:
1022         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
1023           {
1024             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
1025             if (newstate == GST_STATE_PAUSED)
1026                 empathy_call_window_setup_video_input (self);
1027           }
1028         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
1029             !priv->call_started)
1030           {
1031             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
1032             if (newstate == GST_STATE_PAUSED)
1033               {
1034                 priv->call_started = TRUE;
1035                 empathy_call_handler_start_call (priv->handler);
1036                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
1037               }
1038           }
1039         break;
1040       case GST_MESSAGE_ERROR:
1041         {
1042           GError *error;
1043           gchar *debug;
1044
1045           gst_message_parse_error (message, &error, &debug);
1046
1047           g_message ("Element error: %s -- %s\n", error->message, debug);
1048
1049           if (priv->video_input != NULL &&
1050               empathy_gst_bin_has_child (GST_BIN (priv->video_input),
1051                 GST_ELEMENT (GST_MESSAGE_SRC (message))))
1052             {
1053               /* Remove the video input and continue */
1054               empathy_call_window_remove_video_input (self);
1055               gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
1056             }
1057           else
1058             {
1059               gst_element_set_state (priv->pipeline, GST_STATE_NULL);
1060               empathy_call_window_disconnected (self);
1061             }
1062           g_error_free (error);
1063           g_free (debug);
1064         }
1065       default:
1066         break;
1067     }
1068
1069   return TRUE;
1070 }
1071
1072 static void
1073 empathy_call_window_realized_cb (GtkWidget *widget, EmpathyCallWindow *window)
1074 {
1075   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1076   GstElement *preview;
1077
1078   g_signal_connect (priv->handler, "conference-added",
1079     G_CALLBACK (empathy_call_window_conference_added_cb), window);
1080   g_signal_connect (priv->handler, "request-resource",
1081     G_CALLBACK (empathy_call_window_request_resource_cb), window);
1082   g_signal_connect (priv->handler, "closed",
1083     G_CALLBACK (empathy_call_window_channel_closed_cb), window);
1084   g_signal_connect (priv->handler, "src-pad-added",
1085     G_CALLBACK (empathy_call_window_src_added_cb), window);
1086   g_signal_connect (priv->handler, "sink-pad-added",
1087     G_CALLBACK (empathy_call_window_sink_added_cb), window);
1088
1089
1090   preview = empathy_video_widget_get_element (
1091     EMPATHY_VIDEO_WIDGET (priv->video_preview));
1092
1093   gst_bin_add_many (GST_BIN (priv->pipeline), priv->video_input,
1094     priv->video_tee, preview, NULL);
1095   gst_element_link_many (priv->video_input, priv->video_tee,
1096     preview, NULL);
1097
1098   gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
1099 }
1100
1101 static gboolean
1102 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
1103   EmpathyCallWindow *window)
1104 {
1105   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1106
1107   gst_element_set_state (priv->pipeline, GST_STATE_NULL);
1108
1109   return FALSE;
1110 }
1111
1112 static void
1113 empathy_call_window_sidebar_toggled_cb (GtkToggleButton *toggle,
1114   EmpathyCallWindow *window)
1115 {
1116   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1117   GtkWidget *arrow;
1118   int w,h, handle_size;
1119
1120   w = GTK_WIDGET (window)->allocation.width;
1121   h = GTK_WIDGET (window)->allocation.height;
1122
1123   gtk_widget_style_get (priv->pane, "handle_size", &handle_size, NULL);
1124
1125   if (gtk_toggle_button_get_active (toggle))
1126     {
1127       arrow = gtk_arrow_new (GTK_ARROW_LEFT, GTK_SHADOW_NONE);
1128       gtk_widget_show (priv->sidebar);
1129       w += priv->sidebar->allocation.width + handle_size;
1130     }
1131   else
1132     {
1133       arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
1134       w -= priv->sidebar->allocation.width + handle_size;
1135       gtk_widget_hide (priv->sidebar);
1136     }
1137
1138   gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow);
1139
1140   if (w > 0 && h > 0)
1141     gtk_window_resize (GTK_WINDOW (window), w, h);
1142 }
1143
1144 static void
1145 empathy_call_window_set_send_video (EmpathyCallWindow *window,
1146   gboolean send)
1147 {
1148   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1149   EmpathyTpCall *call;
1150
1151   g_object_get (priv->handler, "tp-call", &call, NULL);
1152   empathy_tp_call_request_video_stream_direction (call, send);
1153   g_object_unref (call);
1154 }
1155
1156 static void
1157 empathy_call_window_camera_toggled_cb (GtkToggleToolButton *toggle,
1158   EmpathyCallWindow *window)
1159 {
1160   gboolean active;
1161
1162   active = (gtk_toggle_tool_button_get_active (toggle));
1163   empathy_call_window_set_send_video (window, active);
1164 }
1165
1166 static void
1167 empathy_call_window_send_video_toggled_cb (GtkToggleAction *toggle,
1168   EmpathyCallWindow *window)
1169 {
1170   gboolean active;
1171
1172   active = (gtk_toggle_action_get_active (toggle));
1173   empathy_call_window_set_send_video (window, active);
1174 }
1175
1176 static void
1177 empathy_call_window_show_preview_toggled_cb (GtkToggleAction *toggle,
1178   EmpathyCallWindow *window)
1179 {
1180   /* FIXME: Not implemented */
1181 }
1182
1183 static void
1184 empathy_call_window_mic_toggled_cb (GtkToggleToolButton *toggle,
1185   EmpathyCallWindow *window)
1186 {
1187   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1188   gboolean active;
1189
1190   active = (gtk_toggle_tool_button_get_active (toggle));
1191
1192   if (active)
1193     {
1194       empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
1195         priv->volume);
1196       gtk_adjustment_set_value (priv->audio_input_adj, priv->volume * 100);
1197     }
1198   else
1199     {
1200       /* TODO, Instead of setting the input volume to 0 we should probably
1201        * stop sending but this would cause the audio call to drop if both
1202        * sides mute at the same time on certain CMs AFAIK. Need to revisit this
1203        * in the future. GNOME #574574
1204        */
1205       empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
1206         0);
1207       gtk_adjustment_set_value (priv->audio_input_adj, 0);
1208     }
1209 }
1210
1211 static void
1212 empathy_call_window_sidebar_hidden_cb (EmpathySidebar *sidebar,
1213   EmpathyCallWindow *window)
1214 {
1215   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1216
1217   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->sidebar_button),
1218     FALSE);
1219 }
1220
1221 static void
1222 empathy_call_window_hangup_cb (gpointer object,
1223                                EmpathyCallWindow *window)
1224 {
1225   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1226
1227   gst_element_set_state (priv->pipeline, GST_STATE_NULL);
1228   gtk_widget_destroy (GTK_WIDGET (window));
1229 }
1230
1231 static void
1232 empathy_call_window_status_message (EmpathyCallWindow *window,
1233   gchar *message)
1234 {
1235   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1236
1237   if (priv->context_id == 0)
1238     {
1239       priv->context_id = gtk_statusbar_get_context_id (
1240         GTK_STATUSBAR (priv->statusbar), "voip call status messages");
1241     }
1242   else
1243     {
1244       gtk_statusbar_pop (GTK_STATUSBAR (priv->statusbar), priv->context_id);
1245     }
1246
1247   gtk_statusbar_push (GTK_STATUSBAR (priv->statusbar), priv->context_id,
1248     message);
1249 }
1250
1251 static void
1252 empathy_call_window_volume_changed_cb (GtkScaleButton *button,
1253   gdouble value, EmpathyCallWindow *window)
1254 {
1255   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1256
1257   empathy_audio_sink_set_volume (EMPATHY_GST_AUDIO_SINK (priv->audio_output),
1258     value);
1259 }