src/empathy-streamed-media-window.c

   1 /*
   2  * empathy-streamed-media-window.c - Source for EmpathyStreamedMediaWindow
   3  * Copyright (C) 2008-2009 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 #include "config.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 #include <math.h>
  27
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gst/gst.h>
  30 #include <gtk/gtk.h>
  31 #include <glib/gi18n.h>
  32
  33 #include <telepathy-glib/util.h>
  34
  35 #include <telepathy-farstream/telepathy-farstream.h>
  36
  37 #include <farstream/fs-element-added-notifier.h>
  38 #include <farstream/fs-utils.h>
  39
  40 #include <libempathy/empathy-tp-contact-factory.h>
  41 #include <libempathy/empathy-utils.h>
  42 #include <libempathy-gtk/empathy-avatar-image.h>
  43 #include <libempathy-gtk/empathy-dialpad-widget.h>
  44 #include <libempathy-gtk/empathy-ui-utils.h>
  45 #include <libempathy-gtk/empathy-sound-manager.h>
  46 #include <libempathy-gtk/empathy-geometry.h>
  47 #include <libempathy-gtk/empathy-images.h>
  48
  49 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  50 #include <libempathy/empathy-debug.h>
  51
  52 #include "empathy-streamed-media-window.h"
  53 #include "empathy-streamed-media-window-fullscreen.h"
  54 #include "empathy-video-widget.h"
  55 #include "empathy-audio-src.h"
  56 #include "empathy-audio-sink.h"
  57 #include "empathy-video-src.h"
  58 #include "ev-sidebar.h"
  59
  60 #define CONTENT_HBOX_BORDER_WIDTH 6
  61 #define CONTENT_HBOX_SPACING 3
  62 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 3
  63
  64 #define SELF_VIDEO_SECTION_WIDTH 160
  65 #define SELF_VIDEO_SECTION_HEIGTH 120
  66
  67 /* The avatar's default width and height are set to the same value because we
  68    want a square icon. */
  69 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  70 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT \
  71   EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  72
  73 /* If an video input error occurs, the error message will start with "v4l" */
  74 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  75
  76 /* The time interval in milliseconds between 2 outgoing rings */
  77 #define MS_BETWEEN_RING 500
  78
  79 G_DEFINE_TYPE(EmpathyStreamedMediaWindow, empathy_streamed_media_window, GTK_TYPE_WINDOW)
  80
  81 /* signal enum */
  82 #if 0
  83 enum
  84 {
  85     LAST_SIGNAL
  86 };
  87
  88 static guint signals[LAST_SIGNAL] = {0};
  89 #endif
  90
  91 enum {
  92   PROP_STREAMED_MEDIA_HANDLER = 1,
  93 };
  94
  95 typedef enum {
  96   CONNECTING,
  97   CONNECTED,
  98   DISCONNECTED,
  99   REDIALING
 100 } CallState;
 101
 102 typedef enum {
 103   CAMERA_STATE_OFF = 0,
 104   CAMERA_STATE_PREVIEW,
 105   CAMERA_STATE_ON,
 106 } CameraState;
 107
 108 /* private structure */
 109 typedef struct _EmpathyStreamedMediaWindowPriv EmpathyStreamedMediaWindowPriv;
 110
 111 struct _EmpathyStreamedMediaWindowPriv
 112 {
 113   gboolean dispose_has_run;
 114   EmpathyStreamedMediaHandler *handler;
 115   EmpathyContact *contact;
 116
 117   guint call_state;
 118   gboolean outgoing;
 119
 120   GtkUIManager *ui_manager;
 121   GtkWidget *errors_vbox;
 122   /* widget displays the video received from the remote user. This widget is
 123    * alive only during call. */
 124   GtkWidget *video_output;
 125   GtkWidget *video_preview;
 126   GtkWidget *remote_user_avatar_widget;
 127   GtkWidget *self_user_avatar_widget;
 128   GtkWidget *sidebar;
 129   GtkWidget *sidebar_button;
 130   GtkWidget *statusbar;
 131   GtkWidget *volume_button;
 132   GtkWidget *redial_button;
 133   GtkWidget *mic_button;
 134   GtkWidget *toolbar;
 135   GtkWidget *pane;
 136   GtkAction *redial;
 137   GtkAction *menu_fullscreen;
 138   GtkAction *action_camera_on;
 139   GtkWidget *tool_button_camera_off;
 140   GtkWidget *tool_button_camera_preview;
 141   GtkWidget *tool_button_camera_on;
 142
 143   /* The frames and boxes that contain self and remote avatar and video
 144      input/output. When we redial, we destroy and re-create the boxes */
 145   GtkWidget *remote_user_output_frame;
 146   GtkWidget *self_user_output_frame;
 147   GtkWidget *remote_user_output_hbox;
 148   GtkWidget *self_user_output_hbox;
 149
 150   /* We keep a reference on the hbox which contains the main content so we can
 151      easilly repack everything when toggling fullscreen */
 152   GtkWidget *content_hbox;
 153
 154   /* This vbox is contained in the content_hbox and it contains the
 155      self_user_output_frame and the sidebar button. When toggling fullscreen,
 156      it needs to be repacked. We keep a reference on it for easier access. */
 157   GtkWidget *vbox;
 158
 159   gulong video_output_motion_handler_id;
 160   guint bus_message_source_id;
 161
 162   gdouble volume;
 163   GtkWidget *volume_scale;
 164   GtkWidget *volume_progress_bar;
 165   GtkAdjustment *audio_input_adj;
 166
 167   GtkWidget *dtmf_panel;
 168
 169   /* Details vbox */
 170   GtkWidget *details_vbox;
 171   GtkWidget *vcodec_encoding_label;
 172   GtkWidget *acodec_encoding_label;
 173   GtkWidget *vcodec_decoding_label;
 174   GtkWidget *acodec_decoding_label;
 175
 176   GtkWidget *audio_remote_candidate_label;
 177   GtkWidget *audio_local_candidate_label;
 178   GtkWidget *video_remote_candidate_label;
 179   GtkWidget *video_local_candidate_label;
 180   GtkWidget *video_remote_candidate_info_img;
 181   GtkWidget *video_local_candidate_info_img;
 182   GtkWidget *audio_remote_candidate_info_img;
 183   GtkWidget *audio_local_candidate_info_img;
 184
 185   GstElement *video_input;
 186   GstElement *audio_input;
 187   GstElement *audio_output;
 188   GstElement *pipeline;
 189   GstElement *video_tee;
 190
 191   GstElement *funnel;
 192
 193   FsElementAddedNotifier *fsnotifier;
 194
 195   guint context_id;
 196
 197   GTimer *timer;
 198   guint timer_id;
 199
 200   GtkWidget *video_contrast;
 201   GtkWidget *video_brightness;
 202   GtkWidget *video_gamma;
 203
 204   GMutex *lock;
 205   gboolean call_started;
 206   gboolean sending_video;
 207   CameraState camera_state;
 208
 209   EmpathyStreamedMediaWindowFullscreen *fullscreen;
 210   gboolean is_fullscreen;
 211
 212   /* Those fields represent the state of the window before it actually was in
 213      fullscreen mode. */
 214   gboolean sidebar_was_visible_before_fs;
 215   gint original_width_before_fs;
 216   gint original_height_before_fs;
 217
 218   /* TRUE if the call should be started when the pipeline is playing */
 219   gboolean start_call_when_playing;
 220   /* TRUE if we requested to set the pipeline in the playing state */
 221   gboolean pipeline_playing;
 222
 223   EmpathySoundManager *sound_mgr;
 224 };
 225
 226 #define GET_PRIV(o) \
 227   (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_STREAMED_MEDIA_WINDOW, \
 228     EmpathyStreamedMediaWindowPriv))
 229
 230 static void empathy_streamed_media_window_realized_cb (GtkWidget *widget,
 231   EmpathyStreamedMediaWindow *window);
 232
 233 static gboolean empathy_streamed_media_window_delete_cb (GtkWidget *widget,
 234   GdkEvent *event, EmpathyStreamedMediaWindow *window);
 235
 236 static gboolean empathy_streamed_media_window_state_event_cb (GtkWidget *widget,
 237   GdkEventWindowState *event, EmpathyStreamedMediaWindow *window);
 238
 239 static void empathy_streamed_media_window_sidebar_toggled_cb (GtkToggleButton *toggle,
 240   EmpathyStreamedMediaWindow *window);
 241
 242 static void empathy_streamed_media_window_set_send_video (EmpathyStreamedMediaWindow *window,
 243   CameraState state);
 244
 245 static void empathy_streamed_media_window_mic_toggled_cb (
 246   GtkToggleToolButton *toggle, EmpathyStreamedMediaWindow *window);
 247
 248 static void empathy_streamed_media_window_sidebar_hidden_cb (EvSidebar *sidebar,
 249   EmpathyStreamedMediaWindow *window);
 250
 251 static void empathy_streamed_media_window_sidebar_shown_cb (EvSidebar *sidebar,
 252   EmpathyStreamedMediaWindow *window);
 253
 254 static void empathy_streamed_media_window_hangup_cb (gpointer object,
 255   EmpathyStreamedMediaWindow *window);
 256
 257 static void empathy_streamed_media_window_fullscreen_cb (gpointer object,
 258   EmpathyStreamedMediaWindow *window);
 259
 260 static void empathy_streamed_media_window_fullscreen_toggle (EmpathyStreamedMediaWindow *window);
 261
 262 static gboolean empathy_streamed_media_window_video_button_press_cb (
 263   GtkWidget *video_output, GdkEventButton *event, EmpathyStreamedMediaWindow *window);
 264
 265 static gboolean empathy_streamed_media_window_key_press_cb (GtkWidget *video_output,
 266   GdkEventKey *event, EmpathyStreamedMediaWindow *window);
 267
 268 static gboolean empathy_streamed_media_window_video_output_motion_notify (
 269   GtkWidget *widget, GdkEventMotion *event, EmpathyStreamedMediaWindow *window);
 270
 271 static void empathy_streamed_media_window_video_menu_popup (EmpathyStreamedMediaWindow *window,
 272   guint button);
 273
 274 static void empathy_streamed_media_window_redial_cb (gpointer object,
 275   EmpathyStreamedMediaWindow *window);
 276
 277 static void empathy_streamed_media_window_restart_call (EmpathyStreamedMediaWindow *window);
 278
 279 static void empathy_streamed_media_window_status_message (EmpathyStreamedMediaWindow *window,
 280   gchar *message);
 281
 282 static void empathy_streamed_media_window_update_avatars_visibility (EmpathyTpStreamedMedia *call,
 283   EmpathyStreamedMediaWindow *window);
 284
 285 static gboolean empathy_streamed_media_window_bus_message (GstBus *bus,
 286   GstMessage *message, gpointer user_data);
 287
 288 static void
 289 empathy_streamed_media_window_volume_changed_cb (GtkScaleButton *button,
 290   gdouble value, EmpathyStreamedMediaWindow *window);
 291
 292 static void block_camera_control_signals (EmpathyStreamedMediaWindow *self);
 293 static void unblock_camera_control_signals (EmpathyStreamedMediaWindow *self);
 294
 295 static void
 296 empathy_streamed_media_window_setup_toolbar (EmpathyStreamedMediaWindow *self)
 297 {
 298   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 299   GtkToolItem *tool_item;
 300   GtkWidget *camera_off_icon;
 301   GdkPixbuf *pixbuf, *modded_pixbuf;
 302
 303   /* set the icon of the 'camera off' button by greying off the webcam icon */
 304   pixbuf = empathy_pixbuf_from_icon_name ("camera-web",
 305       GTK_ICON_SIZE_SMALL_TOOLBAR);
 306
 307   modded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
 308       gdk_pixbuf_get_width (pixbuf),
 309       gdk_pixbuf_get_height (pixbuf));
 310
 311   gdk_pixbuf_saturate_and_pixelate (pixbuf, modded_pixbuf, 1.0, TRUE);
 312   g_object_unref (pixbuf);
 313
 314   camera_off_icon = gtk_image_new_from_pixbuf (modded_pixbuf);
 315   g_object_unref (modded_pixbuf);
 316   gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON (
 317         priv->tool_button_camera_off), camera_off_icon);
 318
 319   /* Add an empty expanded GtkToolItem so the volume button is at the end of
 320    * the toolbar. */
 321   tool_item = gtk_tool_item_new ();
 322   gtk_tool_item_set_expand (tool_item, TRUE);
 323   gtk_widget_show (GTK_WIDGET (tool_item));
 324   gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1);
 325
 326   priv->volume_button = gtk_volume_button_new ();
 327   /* FIXME listen to the audiosinks signals and update the button according to
 328    * that, for now starting out at 1.0 and assuming only the app changes the
 329    * volume will do */
 330   gtk_scale_button_set_value (GTK_SCALE_BUTTON (priv->volume_button), 1.0);
 331   g_signal_connect (G_OBJECT (priv->volume_button), "value-changed",
 332     G_CALLBACK (empathy_streamed_media_window_volume_changed_cb), self);
 333
 334   tool_item = gtk_tool_item_new ();
 335   gtk_container_add (GTK_CONTAINER (tool_item), priv->volume_button);
 336   gtk_widget_show_all (GTK_WIDGET (tool_item));
 337   gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1);
 338 }
 339
 340 static void
 341 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 342     TpDTMFEvent event,
 343     EmpathyStreamedMediaWindow *window)
 344 {
 345   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
 346   EmpathyTpStreamedMedia *call;
 347
 348   g_object_get (priv->handler, "tp-call", &call, NULL);
 349
 350   empathy_tp_streamed_media_start_tone (call, event);
 351
 352   g_object_unref (call);
 353 }
 354
 355 static void
 356 dtmf_stop_tone_cb (EmpathyDialpadWidget *self,
 357     TpDTMFEvent event,
 358     EmpathyStreamedMediaWindow *window)
 359 {
 360   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
 361   EmpathyTpStreamedMedia *call;
 362
 363   g_object_get (priv->handler, "tp-call", &call, NULL);
 364
 365   empathy_tp_streamed_media_stop_tone (call);
 366
 367   g_object_unref (call);
 368 }
 369
 370 static GtkWidget *
 371 empathy_streamed_media_window_create_video_input_add_slider (EmpathyStreamedMediaWindow *self,
 372   gchar *label_text, GtkWidget *bin)
 373 {
 374    GtkWidget *vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
 375    GtkWidget *scale = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL, 0,
 376        100, 10);
 377    GtkWidget *label = gtk_label_new (label_text);
 378
 379    gtk_widget_set_sensitive (scale, FALSE);
 380
 381    gtk_container_add (GTK_CONTAINER (bin), vbox);
 382
 383    gtk_range_set_inverted (GTK_RANGE (scale), TRUE);
 384    gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0);
 385    gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
 386
 387    return scale;
 388 }
 389
 390 static void
 391 empathy_streamed_media_window_video_contrast_changed_cb (GtkAdjustment *adj,
 392   EmpathyStreamedMediaWindow *self)
 393
 394 {
 395   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 396
 397   empathy_video_src_set_channel (priv->video_input,
 398     EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST, gtk_adjustment_get_value (adj));
 399 }
 400
 401 static void
 402 empathy_streamed_media_window_video_brightness_changed_cb (GtkAdjustment *adj,
 403   EmpathyStreamedMediaWindow *self)
 404
 405 {
 406   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 407
 408   empathy_video_src_set_channel (priv->video_input,
 409     EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS, gtk_adjustment_get_value (adj));
 410 }
 411
 412 static void
 413 empathy_streamed_media_window_video_gamma_changed_cb (GtkAdjustment *adj,
 414   EmpathyStreamedMediaWindow *self)
 415
 416 {
 417   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 418
 419   empathy_video_src_set_channel (priv->video_input,
 420     EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA, gtk_adjustment_get_value (adj));
 421 }
 422
 423
 424 static GtkWidget *
 425 empathy_streamed_media_window_create_video_input (EmpathyStreamedMediaWindow *self)
 426 {
 427   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 428   GtkWidget *hbox;
 429
 430   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
 431   gtk_box_set_homogeneous (GTK_BOX (hbox), TRUE);
 432
 433   priv->video_contrast = empathy_streamed_media_window_create_video_input_add_slider (
 434     self,  _("Contrast"), hbox);
 435
 436   priv->video_brightness = empathy_streamed_media_window_create_video_input_add_slider (
 437     self,  _("Brightness"), hbox);
 438
 439   priv->video_gamma = empathy_streamed_media_window_create_video_input_add_slider (
 440     self,  _("Gamma"), hbox);
 441
 442   return hbox;
 443 }
 444
 445 static void
 446 empathy_streamed_media_window_setup_video_input (EmpathyStreamedMediaWindow *self)
 447 {
 448   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 449   guint supported;
 450   GtkAdjustment *adj;
 451
 452   supported = empathy_video_src_get_supported_channels (priv->video_input);
 453
 454   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_CONTRAST)
 455     {
 456       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_contrast));
 457
 458       gtk_adjustment_set_value (adj,
 459         empathy_video_src_get_channel (priv->video_input,
 460           EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST));
 461
 462       g_signal_connect (G_OBJECT (adj), "value-changed",
 463         G_CALLBACK (empathy_streamed_media_window_video_contrast_changed_cb), self);
 464
 465       gtk_widget_set_sensitive (priv->video_contrast, TRUE);
 466     }
 467
 468   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_BRIGHTNESS)
 469     {
 470       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_brightness));
 471
 472       gtk_adjustment_set_value (adj,
 473         empathy_video_src_get_channel (priv->video_input,
 474           EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS));
 475
 476       g_signal_connect (G_OBJECT (adj), "value-changed",
 477         G_CALLBACK (empathy_streamed_media_window_video_brightness_changed_cb), self);
 478       gtk_widget_set_sensitive (priv->video_brightness, TRUE);
 479     }
 480
 481   if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_GAMMA)
 482     {
 483       adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_gamma));
 484
 485       gtk_adjustment_set_value (adj,
 486         empathy_video_src_get_channel (priv->video_input,
 487           EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA));
 488
 489       g_signal_connect (G_OBJECT (adj), "value-changed",
 490         G_CALLBACK (empathy_streamed_media_window_video_gamma_changed_cb), self);
 491       gtk_widget_set_sensitive (priv->video_gamma, TRUE);
 492     }
 493 }
 494
 495 static void
 496 empathy_streamed_media_window_mic_volume_changed_cb (GtkAdjustment *adj,
 497   EmpathyStreamedMediaWindow *self)
 498 {
 499   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 500   gdouble volume;
 501
 502   volume = gtk_adjustment_get_value (adj)/100.0;
 503
 504   /* Don't store the volume because of muting */
 505   if (volume > 0 || gtk_toggle_tool_button_get_active (
 506         GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
 507     priv->volume = volume;
 508
 509   /* Ensure that the toggle button is active if the volume is > 0 and inactive
 510    * if it's smaller than 0 */
 511   if ((volume > 0) != gtk_toggle_tool_button_get_active (
 512         GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
 513     gtk_toggle_tool_button_set_active (
 514       GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), volume > 0);
 515
 516   empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
 517     volume);
 518 }
 519
 520 static void
 521 empathy_streamed_media_window_audio_input_level_changed_cb (EmpathyGstAudioSrc *src,
 522   gdouble level, EmpathyStreamedMediaWindow *window)
 523 {
 524   gdouble value;
 525   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
 526
 527   value = CLAMP (pow (10, level / 20), 0.0, 1.0);
 528   gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (priv->volume_progress_bar),
 529       value);
 530 }
 531
 532 static GtkWidget *
 533 empathy_streamed_media_window_create_audio_input (EmpathyStreamedMediaWindow *self)
 534 {
 535   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 536   GtkWidget *hbox, *vbox, *label;
 537
 538   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
 539   gtk_box_set_homogeneous (GTK_BOX (hbox), TRUE);
 540
 541   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
 542   gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 3);
 543
 544   priv->volume_scale = gtk_scale_new_with_range (GTK_ORIENTATION_VERTICAL, 0,
 545       150, 100);
 546   gtk_range_set_inverted (GTK_RANGE (priv->volume_scale), TRUE);
 547   label = gtk_label_new (_("Volume"));
 548
 549   priv->audio_input_adj = gtk_range_get_adjustment (
 550     GTK_RANGE (priv->volume_scale));
 551   priv->volume =  empathy_audio_src_get_volume (EMPATHY_GST_AUDIO_SRC
 552     (priv->audio_input));
 553   gtk_adjustment_set_value (priv->audio_input_adj, priv->volume * 100);
 554
 555   g_signal_connect (G_OBJECT (priv->audio_input_adj), "value-changed",
 556     G_CALLBACK (empathy_streamed_media_window_mic_volume_changed_cb), self);
 557
 558   gtk_box_pack_start (GTK_BOX (vbox), priv->volume_scale, TRUE, TRUE, 3);
 559   gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 3);
 560
 561   priv->volume_progress_bar = gtk_progress_bar_new ();
 562
 563   gtk_orientable_set_orientation (GTK_ORIENTABLE (priv->volume_progress_bar),
 564       GTK_ORIENTATION_VERTICAL);
 565
 566   gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (priv->volume_progress_bar),
 567       0);
 568
 569   gtk_box_pack_start (GTK_BOX (hbox), priv->volume_progress_bar, FALSE, FALSE,
 570       3);
 571
 572   return hbox;
 573 }
 574
 575 static void
 576 create_video_output_widget (EmpathyStreamedMediaWindow *self)
 577 {
 578   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 579   GstBus *bus;
 580
 581   g_assert (priv->video_output == NULL);
 582   g_assert (priv->pipeline != NULL);
 583
 584   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
 585   priv->video_output = empathy_video_widget_new (bus);
 586
 587   gtk_box_pack_start (GTK_BOX (priv->remote_user_output_hbox),
 588       priv->video_output, TRUE, TRUE, 0);
 589
 590   gtk_widget_add_events (priv->video_output,
 591       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 592   g_signal_connect (G_OBJECT (priv->video_output), "button-press-event",
 593       G_CALLBACK (empathy_streamed_media_window_video_button_press_cb), self);
 594
 595   g_object_unref (bus);
 596 }
 597
 598 static void
 599 create_video_input (EmpathyStreamedMediaWindow *self)
 600 {
 601   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 602
 603   g_assert (priv->video_input == NULL);
 604   priv->video_input = empathy_video_src_new ();
 605   gst_object_ref (priv->video_input);
 606   gst_object_sink (priv->video_input);
 607 }
 608
 609 static void
 610 create_audio_input (EmpathyStreamedMediaWindow *self)
 611 {
 612   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 613
 614   g_assert (priv->audio_input == NULL);
 615   priv->audio_input = empathy_audio_src_new ();
 616   gst_object_ref (priv->audio_input);
 617   gst_object_sink (priv->audio_input);
 618
 619   tp_g_signal_connect_object (priv->audio_input, "peak-level-changed",
 620     G_CALLBACK (empathy_streamed_media_window_audio_input_level_changed_cb),
 621     self, 0);
 622 }
 623
 624 static void
 625 add_video_preview_to_pipeline (EmpathyStreamedMediaWindow *self)
 626 {
 627   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 628   GstElement *preview;
 629
 630   g_assert (priv->video_preview != NULL);
 631   g_assert (priv->pipeline != NULL);
 632   g_assert (priv->video_input != NULL);
 633   g_assert (priv->video_tee != NULL);
 634
 635   preview = empathy_video_widget_get_element (
 636       EMPATHY_VIDEO_WIDGET (priv->video_preview));
 637
 638   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 639     {
 640       g_warning ("Could not add video input to pipeline");
 641       return;
 642     }
 643
 644   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee))
 645     {
 646       g_warning ("Could not add video tee to pipeline");
 647       return;
 648     }
 649
 650   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 651     {
 652       g_warning ("Could not add video preview to pipeline");
 653       return;
 654     }
 655
 656   if (!gst_element_link (priv->video_input, priv->video_tee))
 657     {
 658       g_warning ("Could not link video input to video tee");
 659       return;
 660     }
 661
 662   if (!gst_element_link (priv->video_tee, preview))
 663     {
 664       g_warning ("Could not link video tee to video preview");
 665       return;
 666     }
 667 }
 668
 669 static void
 670 create_video_preview (EmpathyStreamedMediaWindow *self)
 671 {
 672   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 673   GstBus *bus;
 674
 675   g_assert (priv->video_preview == NULL);
 676   g_assert (priv->video_tee == NULL);
 677
 678   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
 679
 680   priv->video_preview = empathy_video_widget_new_with_size (bus,
 681       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH);
 682   g_object_set (priv->video_preview,
 683       "sync", FALSE,
 684       "async", TRUE,
 685       "flip-video", TRUE,
 686       NULL);
 687
 688   gtk_box_pack_start (GTK_BOX (priv->self_user_output_hbox),
 689       priv->video_preview, TRUE, TRUE, 0);
 690
 691   priv->video_tee = gst_element_factory_make ("tee", NULL);
 692   gst_object_ref (priv->video_tee);
 693   gst_object_sink (priv->video_tee);
 694
 695   g_object_unref (bus);
 696 }
 697
 698 static void
 699 play_camera (EmpathyStreamedMediaWindow *window,
 700     gboolean play)
 701 {
 702   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
 703   GstElement *preview;
 704   GstState state;
 705
 706   if (priv->video_preview == NULL)
 707     {
 708       create_video_preview (window);
 709       add_video_preview_to_pipeline (window);
 710     }
 711
 712   if (play)
 713     state = GST_STATE_PLAYING;
 714   else
 715     state = GST_STATE_NULL;
 716
 717   preview = empathy_video_widget_get_element (
 718       EMPATHY_VIDEO_WIDGET (priv->video_preview));
 719
 720   gst_element_set_state (preview, state);
 721   gst_element_set_state (priv->video_input, state);
 722   gst_element_set_state (priv->video_tee, state);
 723 }
 724
 725 static void
 726 display_video_preview (EmpathyStreamedMediaWindow *self,
 727     gboolean display)
 728 {
 729   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 730
 731   if (display)
 732     {
 733       /* Display the preview and hide the self avatar */
 734       DEBUG ("Show video preview");
 735
 736       play_camera (self, TRUE);
 737       gtk_widget_show (priv->video_preview);
 738       gtk_widget_hide (priv->self_user_avatar_widget);
 739     }
 740   else
 741     {
 742       /* Display the self avatar and hide the preview */
 743       DEBUG ("Show self avatar");
 744
 745       if (priv->video_preview != NULL)
 746         {
 747           gtk_widget_hide (priv->video_preview);
 748           play_camera (self, FALSE);
 749         }
 750       gtk_widget_show (priv->self_user_avatar_widget);
 751     }
 752 }
 753
 754 static void
 755 empathy_streamed_media_window_set_state_connecting (EmpathyStreamedMediaWindow *window)
 756 {
 757   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
 758
 759   empathy_streamed_media_window_status_message (window, _("Connecting…"));
 760   priv->call_state = CONNECTING;
 761
 762   if (priv->outgoing)
 763     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
 764         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
 765 }
 766
 767 static void
 768 disable_camera (EmpathyStreamedMediaWindow *self)
 769 {
 770   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 771
 772   if (priv->camera_state == CAMERA_STATE_OFF)
 773     return;
 774
 775   DEBUG ("Disable camera");
 776
 777   display_video_preview (self, FALSE);
 778
 779   if (priv->camera_state == CAMERA_STATE_ON)
 780     empathy_streamed_media_window_set_send_video (self, CAMERA_STATE_OFF);
 781
 782   block_camera_control_signals (self);
 783   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 784         priv->tool_button_camera_on), FALSE);
 785   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 786       priv->tool_button_camera_preview), FALSE);
 787
 788   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 789       priv->tool_button_camera_off), TRUE);
 790   gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera_on),
 791       CAMERA_STATE_OFF);
 792   unblock_camera_control_signals (self);
 793
 794   priv->camera_state = CAMERA_STATE_OFF;
 795 }
 796
 797 static void
 798 tool_button_camera_off_toggled_cb (GtkToggleToolButton *toggle,
 799   EmpathyStreamedMediaWindow *self)
 800 {
 801   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 802
 803   if (!gtk_toggle_tool_button_get_active (toggle))
 804     {
 805       if (priv->camera_state == CAMERA_STATE_OFF)
 806         {
 807           /* We can't change the state by disabling the button */
 808           block_camera_control_signals (self);
 809           gtk_toggle_tool_button_set_active (toggle, TRUE);
 810           unblock_camera_control_signals (self);
 811         }
 812
 813       return;
 814     }
 815
 816   disable_camera (self);
 817 }
 818
 819 static void
 820 enable_preview (EmpathyStreamedMediaWindow *self)
 821 {
 822   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 823
 824   if (priv->camera_state == CAMERA_STATE_PREVIEW)
 825     return;
 826
 827   DEBUG ("Enable preview");
 828
 829   if (priv->camera_state == CAMERA_STATE_ON)
 830     {
 831       /* preview is already displayed so we just have to stop sending */
 832       empathy_streamed_media_window_set_send_video (self, CAMERA_STATE_PREVIEW);
 833     }
 834   else
 835     {
 836       display_video_preview (self, TRUE);
 837     }
 838
 839   block_camera_control_signals (self);
 840   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 841       priv->tool_button_camera_off), FALSE);
 842   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 843         priv->tool_button_camera_on), FALSE);
 844
 845   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 846         priv->tool_button_camera_preview), TRUE);
 847   gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera_on),
 848       CAMERA_STATE_PREVIEW);
 849   unblock_camera_control_signals (self);
 850
 851   priv->camera_state = CAMERA_STATE_PREVIEW;
 852 }
 853
 854 static void
 855 tool_button_camera_preview_toggled_cb (GtkToggleToolButton *toggle,
 856   EmpathyStreamedMediaWindow *self)
 857 {
 858   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 859
 860   if (!gtk_toggle_tool_button_get_active (toggle))
 861     {
 862       if (priv->camera_state == CAMERA_STATE_PREVIEW)
 863         {
 864           /* We can't change the state by disabling the button */
 865           block_camera_control_signals (self);
 866           gtk_toggle_tool_button_set_active (toggle, TRUE);
 867           unblock_camera_control_signals (self);
 868         }
 869
 870       return;
 871     }
 872
 873   enable_preview (self);
 874 }
 875
 876 static void
 877 enable_camera (EmpathyStreamedMediaWindow *self)
 878 {
 879   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 880
 881   if (priv->camera_state == CAMERA_STATE_ON)
 882     return;
 883
 884   if (priv->video_input == NULL)
 885     {
 886       DEBUG ("Can't enable camera, no input");
 887       return;
 888     }
 889
 890
 891   DEBUG ("Enable camera");
 892
 893   empathy_streamed_media_window_set_send_video (self, CAMERA_STATE_ON);
 894
 895   block_camera_control_signals (self);
 896   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 897       priv->tool_button_camera_off), FALSE);
 898   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 899         priv->tool_button_camera_preview), FALSE);
 900
 901   gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (
 902       priv->tool_button_camera_on), TRUE);
 903   gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera_on),
 904       CAMERA_STATE_ON);
 905   unblock_camera_control_signals (self);
 906
 907   priv->camera_state = CAMERA_STATE_ON;
 908 }
 909
 910 static void
 911 tool_button_camera_on_toggled_cb (GtkToggleToolButton *toggle,
 912   EmpathyStreamedMediaWindow *self)
 913 {
 914   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 915
 916   if (!gtk_toggle_tool_button_get_active (toggle))
 917     {
 918       if (priv->camera_state == CAMERA_STATE_ON)
 919         {
 920           /* We can't change the state by disabling the button */
 921           block_camera_control_signals (self);
 922           gtk_toggle_tool_button_set_active (toggle, TRUE);
 923           unblock_camera_control_signals (self);
 924         }
 925
 926       return;
 927     }
 928
 929   enable_camera (self);
 930 }
 931
 932 static void
 933 action_camera_change_cb (GtkRadioAction *action,
 934     GtkRadioAction *current,
 935     EmpathyStreamedMediaWindow *self)
 936 {
 937   CameraState state;
 938
 939   state = gtk_radio_action_get_current_value (current);
 940
 941   switch (state)
 942     {
 943       case CAMERA_STATE_OFF:
 944         disable_camera (self);
 945         break;
 946
 947       case CAMERA_STATE_PREVIEW:
 948         enable_preview (self);
 949         break;
 950
 951       case CAMERA_STATE_ON:
 952         enable_camera (self);
 953         break;
 954
 955       default:
 956         g_assert_not_reached ();
 957     }
 958 }
 959
 960 static void
 961 create_pipeline (EmpathyStreamedMediaWindow *self)
 962 {
 963   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 964   GstBus *bus;
 965
 966   g_assert (priv->pipeline == NULL);
 967
 968   priv->pipeline = gst_pipeline_new (NULL);
 969   priv->pipeline_playing = FALSE;
 970
 971   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
 972   priv->bus_message_source_id = gst_bus_add_watch (bus,
 973       empathy_streamed_media_window_bus_message, self);
 974
 975   g_object_unref (bus);
 976 }
 977
 978
 979 static void
 980 empathy_streamed_media_window_init (EmpathyStreamedMediaWindow *self)
 981 {
 982   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
 983   GtkBuilder *gui;
 984   GtkWidget *top_vbox;
 985   GtkWidget *h;
 986   GtkWidget *arrow;
 987   GtkWidget *page;
 988   gchar *filename;
 989   GtkWidget *scroll;
 990
 991   filename = empathy_file_lookup ("empathy-streamed-media-window.ui", "src");
 992   gui = empathy_builder_get_file (filename,
 993     "call_window_vbox", &top_vbox,
 994     "errors_vbox", &priv->errors_vbox,
 995     "pane", &priv->pane,
 996     "statusbar", &priv->statusbar,
 997     "redial", &priv->redial_button,
 998     "microphone", &priv->mic_button,
 999     "toolbar", &priv->toolbar,
1000     "menuredial", &priv->redial,
1001     "ui_manager", &priv->ui_manager,
1002     "menufullscreen", &priv->menu_fullscreen,
1003     "camera_off", &priv->tool_button_camera_off,
1004     "camera_preview", &priv->tool_button_camera_preview,
1005     "camera_on", &priv->tool_button_camera_on,
1006     "action_camera_on",  &priv->action_camera_on,
1007     "details_vbox",  &priv->details_vbox,
1008     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1009     "acodec_encoding_label", &priv->acodec_encoding_label,
1010     "acodec_decoding_label", &priv->acodec_decoding_label,
1011     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1012     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1013     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1014     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1015     "video_local_candidate_label", &priv->video_local_candidate_label,
1016     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1017     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1018     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1019     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1020     NULL);
1021   g_free (filename);
1022
1023   empathy_builder_connect (gui, self,
1024     "menuhangup", "activate", empathy_streamed_media_window_hangup_cb,
1025     "hangup", "clicked", empathy_streamed_media_window_hangup_cb,
1026     "menuredial", "activate", empathy_streamed_media_window_redial_cb,
1027     "redial", "clicked", empathy_streamed_media_window_redial_cb,
1028     "microphone", "toggled", empathy_streamed_media_window_mic_toggled_cb,
1029     "menufullscreen", "activate", empathy_streamed_media_window_fullscreen_cb,
1030     "camera_off", "toggled", tool_button_camera_off_toggled_cb,
1031     "camera_preview", "toggled", tool_button_camera_preview_toggled_cb,
1032     "camera_on", "toggled", tool_button_camera_on_toggled_cb,
1033     "action_camera_on", "changed", action_camera_change_cb,
1034     NULL);
1035
1036   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1037
1038   priv->lock = g_mutex_new ();
1039
1040   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1041
1042   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1043       CONTENT_HBOX_SPACING);
1044   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
1045                                   CONTENT_HBOX_BORDER_WIDTH);
1046   gtk_paned_pack1 (GTK_PANED (priv->pane), priv->content_hbox, TRUE, FALSE);
1047
1048   /* remote user output frame */
1049   priv->remote_user_output_frame = gtk_frame_new (NULL);
1050   gtk_widget_set_size_request (priv->remote_user_output_frame,
1051       EMPATHY_VIDEO_WIDGET_DEFAULT_WIDTH, EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT);
1052   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1053       priv->remote_user_output_frame, TRUE, TRUE,
1054       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1055
1056   priv->remote_user_output_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
1057
1058   priv->remote_user_avatar_widget = gtk_image_new ();
1059
1060   gtk_box_pack_start (GTK_BOX (priv->remote_user_output_hbox),
1061       priv->remote_user_avatar_widget, TRUE, TRUE, 0);
1062
1063   gtk_container_add (GTK_CONTAINER (priv->remote_user_output_frame),
1064       priv->remote_user_output_hbox);
1065
1066   /* self user output frame */
1067   priv->self_user_output_frame = gtk_frame_new (NULL);
1068   gtk_widget_set_size_request (priv->self_user_output_frame,
1069       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH);
1070
1071   priv->self_user_output_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
1072
1073   priv->self_user_avatar_widget = gtk_image_new ();
1074   gtk_box_pack_start (GTK_BOX (priv->self_user_output_hbox),
1075       priv->self_user_avatar_widget, TRUE, TRUE, 0);
1076
1077   gtk_container_add (GTK_CONTAINER (priv->self_user_output_frame),
1078       priv->self_user_output_hbox);
1079
1080   create_pipeline (self);
1081   create_video_output_widget (self);
1082   create_audio_input (self);
1083   create_video_input (self);
1084
1085   priv->fsnotifier = fs_element_added_notifier_new ();
1086   fs_element_added_notifier_add (priv->fsnotifier, GST_BIN (priv->pipeline));
1087
1088   /* The call will be started as soon the pipeline is playing */
1089   priv->start_call_when_playing = TRUE;
1090
1091   priv->vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
1092   gtk_box_pack_start (GTK_BOX (priv->content_hbox), priv->vbox,
1093       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1094   gtk_box_pack_start (GTK_BOX (priv->vbox), priv->self_user_output_frame,
1095       FALSE, FALSE, 0);
1096
1097   empathy_streamed_media_window_setup_toolbar (self);
1098
1099   priv->sidebar_button = gtk_toggle_button_new_with_mnemonic (_("_Sidebar"));
1100   arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
1101   g_signal_connect (G_OBJECT (priv->sidebar_button), "toggled",
1102     G_CALLBACK (empathy_streamed_media_window_sidebar_toggled_cb), self);
1103
1104   gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow);
1105
1106   h = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
1107   gtk_box_pack_end (GTK_BOX (priv->vbox), h, FALSE, FALSE, 3);
1108   gtk_box_pack_end (GTK_BOX (h), priv->sidebar_button, FALSE, FALSE, 3);
1109
1110   priv->sidebar = ev_sidebar_new ();
1111   g_signal_connect (G_OBJECT (priv->sidebar),
1112     "hide", G_CALLBACK (empathy_streamed_media_window_sidebar_hidden_cb), self);
1113   g_signal_connect (G_OBJECT (priv->sidebar),
1114     "show", G_CALLBACK (empathy_streamed_media_window_sidebar_shown_cb), self);
1115   gtk_paned_pack2 (GTK_PANED (priv->pane), priv->sidebar, FALSE, FALSE);
1116
1117   page = empathy_streamed_media_window_create_audio_input (self);
1118   ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "audio-input",
1119       _("Audio input"), page);
1120
1121   page = empathy_streamed_media_window_create_video_input (self);
1122   ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "video-input",
1123       _("Video input"), page);
1124
1125   priv->dtmf_panel = empathy_dialpad_widget_new ();
1126   g_signal_connect (priv->dtmf_panel, "start-tone",
1127       G_CALLBACK (dtmf_start_tone_cb), self);
1128   g_signal_connect (priv->dtmf_panel, "stop-tone",
1129       G_CALLBACK (dtmf_stop_tone_cb), self);
1130   ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "dialpad",
1131       _("Dialpad"), priv->dtmf_panel);
1132
1133   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1134
1135   /* Put the details vbox in a scroll window as it can require a lot of
1136    * horizontal space. */
1137   scroll = gtk_scrolled_window_new (NULL, NULL);
1138   gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scroll),
1139       priv->details_vbox);
1140
1141   ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "details",
1142       _("Details"), scroll);
1143
1144   gtk_widget_show_all (top_vbox);
1145
1146   gtk_widget_hide (priv->sidebar);
1147
1148   priv->fullscreen = empathy_streamed_media_window_fullscreen_new (self);
1149   empathy_streamed_media_window_fullscreen_set_video_widget (priv->fullscreen,
1150       priv->video_output);
1151   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1152       "clicked", G_CALLBACK (empathy_streamed_media_window_fullscreen_cb), self);
1153
1154   g_signal_connect (G_OBJECT (self), "realize",
1155     G_CALLBACK (empathy_streamed_media_window_realized_cb), self);
1156
1157   g_signal_connect (G_OBJECT (self), "delete-event",
1158     G_CALLBACK (empathy_streamed_media_window_delete_cb), self);
1159
1160   g_signal_connect (G_OBJECT (self), "window-state-event",
1161     G_CALLBACK (empathy_streamed_media_window_state_event_cb), self);
1162
1163   g_signal_connect (G_OBJECT (self), "key-press-event",
1164       G_CALLBACK (empathy_streamed_media_window_key_press_cb), self);
1165
1166   priv->timer = g_timer_new ();
1167
1168   g_object_ref (priv->ui_manager);
1169   g_object_unref (gui);
1170
1171   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1172
1173   empathy_geometry_bind (GTK_WINDOW (self), "av-window");
1174 }
1175
1176 /* Instead of specifying a width and a height, we specify only one size. That's
1177    because we want a square avatar icon.  */
1178 static void
1179 init_contact_avatar_with_size (EmpathyContact *contact,
1180     GtkWidget *image_widget,
1181     gint size)
1182 {
1183   GdkPixbuf *pixbuf_avatar = NULL;
1184
1185   if (contact != NULL)
1186     {
1187       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1188         size, size);
1189     }
1190
1191   if (pixbuf_avatar == NULL)
1192     {
1193       pixbuf_avatar = empathy_pixbuf_from_icon_name_sized (
1194           EMPATHY_IMAGE_AVATAR_DEFAULT, size);
1195     }
1196
1197   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1198
1199   if (pixbuf_avatar != NULL)
1200     g_object_unref (pixbuf_avatar);
1201 }
1202
1203 static void
1204 set_window_title (EmpathyStreamedMediaWindow *self)
1205 {
1206   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1207   gchar *tmp;
1208
1209   /* translators: Call is a noun and %s is the contact name. This string
1210    * is used in the window title */
1211   tmp = g_strdup_printf (_("Call with %s"),
1212       empathy_contact_get_alias (priv->contact));
1213   gtk_window_set_title (GTK_WINDOW (self), tmp);
1214   g_free (tmp);
1215 }
1216
1217 static void
1218 contact_name_changed_cb (EmpathyContact *contact,
1219     GParamSpec *pspec, EmpathyStreamedMediaWindow *self)
1220 {
1221   set_window_title (self);
1222 }
1223
1224 static void
1225 contact_avatar_changed_cb (EmpathyContact *contact,
1226     GParamSpec *pspec, GtkWidget *avatar_widget)
1227 {
1228   int size;
1229   GtkAllocation allocation;
1230
1231   gtk_widget_get_allocation (avatar_widget, &allocation);
1232   size = allocation.height;
1233
1234   if (size == 0)
1235     {
1236       /* the widget is not allocated yet, set a default size */
1237       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1238           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1239     }
1240
1241   init_contact_avatar_with_size (contact, avatar_widget, size);
1242 }
1243
1244 static void
1245 empathy_streamed_media_window_got_self_contact_cb (TpConnection *connection,
1246     EmpathyContact *contact, const GError *error, gpointer user_data,
1247     GObject *weak_object)
1248 {
1249   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
1250   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1251
1252   init_contact_avatar_with_size (contact, priv->self_user_avatar_widget,
1253       MIN (SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH));
1254
1255   g_signal_connect (contact, "notify::avatar",
1256       G_CALLBACK (contact_avatar_changed_cb), priv->self_user_avatar_widget);
1257 }
1258
1259 static void
1260 empathy_streamed_media_window_setup_avatars (EmpathyStreamedMediaWindow *self,
1261     EmpathyStreamedMediaHandler *handler)
1262 {
1263   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1264
1265   g_object_get (handler, "contact", &(priv->contact), NULL);
1266
1267   if (priv->contact != NULL)
1268     {
1269       TpConnection *connection;
1270
1271       set_window_title (self);
1272
1273       g_signal_connect (priv->contact, "notify::name",
1274           G_CALLBACK (contact_name_changed_cb), self);
1275       g_signal_connect (priv->contact, "notify::avatar",
1276           G_CALLBACK (contact_avatar_changed_cb),
1277           priv->remote_user_avatar_widget);
1278
1279       /* Retreiving the self avatar */
1280       connection = empathy_contact_get_connection (priv->contact);
1281       empathy_tp_contact_factory_get_from_handle (connection,
1282           tp_connection_get_self_handle (connection),
1283           empathy_streamed_media_window_got_self_contact_cb, self, NULL, G_OBJECT (self));
1284     }
1285   else
1286     {
1287       g_warning ("call handler doesn't have a contact");
1288       /* translators: Call is a noun. This string is used in the window
1289        * title */
1290       gtk_window_set_title (GTK_WINDOW (self), _("Call"));
1291
1292       /* Since we can't access the remote contact, we can't get a connection
1293          to it and can't get the self contact (and its avatar). This means
1294          that we have to manually set the self avatar. */
1295       init_contact_avatar_with_size (NULL, priv->self_user_avatar_widget,
1296           MIN (SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH));
1297     }
1298
1299   init_contact_avatar_with_size (priv->contact,
1300       priv->remote_user_avatar_widget,
1301       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
1302           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
1303
1304   /* The remote avatar is shown by default and will be hidden when we receive
1305      video from the remote side. */
1306   gtk_widget_hide (priv->video_output);
1307   gtk_widget_show (priv->remote_user_avatar_widget);
1308 }
1309
1310 static void
1311 update_send_codec (EmpathyStreamedMediaWindow *self,
1312     gboolean audio)
1313 {
1314   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1315   FsCodec *codec;
1316   GtkWidget *widget;
1317   gchar *tmp;
1318
1319   if (audio)
1320     {
1321       codec = empathy_streamed_media_handler_get_send_audio_codec (priv->handler);
1322       widget = priv->acodec_encoding_label;
1323     }
1324   else
1325     {
1326       codec = empathy_streamed_media_handler_get_send_video_codec (priv->handler);
1327       widget = priv->vcodec_encoding_label;
1328     }
1329
1330   if (codec == NULL)
1331     return;
1332
1333   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
1334   gtk_label_set_text (GTK_LABEL (widget), tmp);
1335   g_free (tmp);
1336 }
1337
1338 static void
1339 send_audio_codec_notify_cb (GObject *object,
1340     GParamSpec *pspec,
1341     gpointer user_data)
1342 {
1343   EmpathyStreamedMediaWindow *self = user_data;
1344
1345   update_send_codec (self, TRUE);
1346 }
1347
1348 static void
1349 send_video_codec_notify_cb (GObject *object,
1350     GParamSpec *pspec,
1351     gpointer user_data)
1352 {
1353   EmpathyStreamedMediaWindow *self = user_data;
1354
1355   update_send_codec (self, FALSE);
1356 }
1357
1358 static void
1359 update_recv_codec (EmpathyStreamedMediaWindow *self,
1360     gboolean audio)
1361 {
1362   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1363   GList *codecs, *l;
1364   GtkWidget *widget;
1365   GString *str = NULL;
1366
1367   if (audio)
1368     {
1369       codecs = empathy_streamed_media_handler_get_recv_audio_codecs (priv->handler);
1370       widget = priv->acodec_decoding_label;
1371     }
1372   else
1373     {
1374       codecs = empathy_streamed_media_handler_get_recv_video_codecs (priv->handler);
1375       widget = priv->vcodec_decoding_label;
1376     }
1377
1378   if (codecs == NULL)
1379     return;
1380
1381   for (l = codecs; l != NULL; l = g_list_next (l))
1382     {
1383       FsCodec *codec = l->data;
1384
1385       if (str == NULL)
1386         str = g_string_new (NULL);
1387       else
1388         g_string_append (str, ", ");
1389
1390       g_string_append_printf (str, "%s/%u", codec->encoding_name,
1391           codec->clock_rate);
1392     }
1393
1394   gtk_label_set_text (GTK_LABEL (widget), str->str);
1395   g_string_free (str, TRUE);
1396 }
1397
1398 static void
1399 recv_audio_codecs_notify_cb (GObject *object,
1400     GParamSpec *pspec,
1401     gpointer user_data)
1402 {
1403   EmpathyStreamedMediaWindow *self = user_data;
1404
1405   update_recv_codec (self, TRUE);
1406 }
1407
1408 static void
1409 recv_video_codecs_notify_cb (GObject *object,
1410     GParamSpec *pspec,
1411     gpointer user_data)
1412 {
1413   EmpathyStreamedMediaWindow *self = user_data;
1414
1415   update_recv_codec (self, FALSE);
1416 }
1417
1418 static const gchar *
1419 candidate_type_to_str (FsCandidate *candidate)
1420 {
1421   switch (candidate->type)
1422     {
1423       case FS_CANDIDATE_TYPE_HOST:
1424         return "host";
1425       case FS_CANDIDATE_TYPE_SRFLX:
1426         return "server reflexive";
1427       case FS_CANDIDATE_TYPE_PRFLX:
1428         return "peer reflexive";
1429       case FS_CANDIDATE_TYPE_RELAY:
1430         return "relay";
1431       case FS_CANDIDATE_TYPE_MULTICAST:
1432         return "multicast";
1433     }
1434
1435   return NULL;
1436 }
1437
1438 static const gchar *
1439 candidate_type_to_desc (FsCandidate *candidate)
1440 {
1441   switch (candidate->type)
1442     {
1443       case FS_CANDIDATE_TYPE_HOST:
1444         return _("The IP address as seen by the machine");
1445       case FS_CANDIDATE_TYPE_SRFLX:
1446         return _("The IP address as seen by a server on the Internet");
1447       case FS_CANDIDATE_TYPE_PRFLX:
1448         return _("The IP address of the peer as seen by the other side");
1449       case FS_CANDIDATE_TYPE_RELAY:
1450         return _("The IP address of a relay server");
1451       case FS_CANDIDATE_TYPE_MULTICAST:
1452         return _("The IP address of the multicast group");
1453     }
1454
1455   return NULL;
1456 }
1457
1458 static void
1459 update_candidat_widget (EmpathyStreamedMediaWindow *self,
1460     GtkWidget *label,
1461     GtkWidget *img,
1462     FsCandidate *candidate)
1463 {
1464   gchar *str;
1465
1466   g_assert (candidate != NULL);
1467   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
1468       candidate->port, candidate_type_to_str (candidate));
1469
1470   gtk_label_set_text (GTK_LABEL (label), str);
1471   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
1472
1473   g_free (str);
1474 }
1475
1476 static void
1477 candidates_changed_cb (GObject *object,
1478     FsMediaType type,
1479     EmpathyStreamedMediaWindow *self)
1480 {
1481   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1482   FsCandidate *candidate = NULL;
1483
1484   if (type == FS_MEDIA_TYPE_VIDEO)
1485     {
1486       /* Update remote candidate */
1487       candidate = empathy_streamed_media_handler_get_video_remote_candidate (
1488           priv->handler);
1489
1490       update_candidat_widget (self, priv->video_remote_candidate_label,
1491           priv->video_remote_candidate_info_img, candidate);
1492
1493       /* Update local candidate */
1494       candidate = empathy_streamed_media_handler_get_video_local_candidate (
1495           priv->handler);
1496
1497       update_candidat_widget (self, priv->video_local_candidate_label,
1498           priv->video_local_candidate_info_img, candidate);
1499     }
1500   else
1501     {
1502       /* Update remote candidate */
1503       candidate = empathy_streamed_media_handler_get_audio_remote_candidate (
1504           priv->handler);
1505
1506       update_candidat_widget (self, priv->audio_remote_candidate_label,
1507           priv->audio_remote_candidate_info_img, candidate);
1508
1509       /* Update local candidate */
1510       candidate = empathy_streamed_media_handler_get_audio_local_candidate (
1511           priv->handler);
1512
1513       update_candidat_widget (self, priv->audio_local_candidate_label,
1514           priv->audio_local_candidate_info_img, candidate);
1515     }
1516 }
1517
1518 static void
1519 empathy_streamed_media_window_constructed (GObject *object)
1520 {
1521   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (object);
1522   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1523   EmpathyTpStreamedMedia *call;
1524
1525   g_assert (priv->handler != NULL);
1526
1527   g_object_get (priv->handler, "tp-call", &call, NULL);
1528   priv->outgoing = (call == NULL);
1529   if (call != NULL)
1530     g_object_unref (call);
1531
1532   empathy_streamed_media_window_setup_avatars (self, priv->handler);
1533   empathy_streamed_media_window_set_state_connecting (self);
1534
1535   if (!empathy_streamed_media_handler_has_initial_video (priv->handler))
1536     {
1537       gtk_toggle_tool_button_set_active (
1538           GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_off), TRUE);
1539     }
1540   /* If call has InitialVideo, the preview will be started once the call has
1541    * been started (start_call()). */
1542
1543   update_send_codec (self, TRUE);
1544   update_send_codec (self, FALSE);
1545   update_recv_codec (self, TRUE);
1546   update_recv_codec (self, FALSE);
1547
1548   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
1549       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
1550   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
1551       G_CALLBACK (send_video_codec_notify_cb), self, 0);
1552   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
1553       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
1554   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
1555       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
1556
1557   tp_g_signal_connect_object (priv->handler, "candidates-changed",
1558       G_CALLBACK (candidates_changed_cb), self, 0);
1559 }
1560
1561 static void empathy_streamed_media_window_dispose (GObject *object);
1562 static void empathy_streamed_media_window_finalize (GObject *object);
1563
1564 static void
1565 empathy_streamed_media_window_set_property (GObject *object,
1566   guint property_id, const GValue *value, GParamSpec *pspec)
1567 {
1568   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (object);
1569
1570   switch (property_id)
1571     {
1572       case PROP_STREAMED_MEDIA_HANDLER:
1573         priv->handler = g_value_dup_object (value);
1574         break;
1575       default:
1576         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
1577     }
1578 }
1579
1580 static void
1581 empathy_streamed_media_window_get_property (GObject *object,
1582   guint property_id, GValue *value, GParamSpec *pspec)
1583 {
1584   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (object);
1585
1586   switch (property_id)
1587     {
1588       case PROP_STREAMED_MEDIA_HANDLER:
1589         g_value_set_object (value, priv->handler);
1590         break;
1591       default:
1592         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
1593     }
1594 }
1595
1596 static void
1597 empathy_streamed_media_window_class_init (
1598   EmpathyStreamedMediaWindowClass *empathy_streamed_media_window_class)
1599 {
1600   GObjectClass *object_class = G_OBJECT_CLASS (empathy_streamed_media_window_class);
1601   GParamSpec *param_spec;
1602
1603   g_type_class_add_private (empathy_streamed_media_window_class,
1604     sizeof (EmpathyStreamedMediaWindowPriv));
1605
1606   object_class->constructed = empathy_streamed_media_window_constructed;
1607   object_class->set_property = empathy_streamed_media_window_set_property;
1608   object_class->get_property = empathy_streamed_media_window_get_property;
1609
1610   object_class->dispose = empathy_streamed_media_window_dispose;
1611   object_class->finalize = empathy_streamed_media_window_finalize;
1612
1613   param_spec = g_param_spec_object ("handler",
1614     "handler", "The call handler",
1615     EMPATHY_TYPE_STREAMED_MEDIA_HANDLER,
1616     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
1617   g_object_class_install_property (object_class,
1618     PROP_STREAMED_MEDIA_HANDLER, param_spec);
1619 }
1620
1621 static void
1622 empathy_streamed_media_window_video_stream_changed_cb (EmpathyTpStreamedMedia *call,
1623     GParamSpec *property, EmpathyStreamedMediaWindow *self)
1624 {
1625   DEBUG ("video stream changed");
1626   empathy_streamed_media_window_update_avatars_visibility (call, self);
1627 }
1628
1629 void
1630 empathy_streamed_media_window_dispose (GObject *object)
1631 {
1632   EmpathyTpStreamedMedia *call;
1633   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (object);
1634   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1635
1636   if (priv->dispose_has_run)
1637     return;
1638
1639   priv->dispose_has_run = TRUE;
1640
1641   g_object_get (priv->handler, "tp-call", &call, NULL);
1642
1643   if (call != NULL)
1644     {
1645       g_object_unref (call);
1646     }
1647
1648   if (priv->handler != NULL)
1649     {
1650       empathy_streamed_media_handler_stop_call (priv->handler);
1651       g_object_unref (priv->handler);
1652     }
1653   priv->handler = NULL;
1654
1655   if (priv->bus_message_source_id != 0)
1656     {
1657       g_source_remove (priv->bus_message_source_id);
1658       priv->bus_message_source_id = 0;
1659     }
1660
1661   if (priv->pipeline != NULL)
1662     g_object_unref (priv->pipeline);
1663   priv->pipeline = NULL;
1664
1665   if (priv->video_input != NULL)
1666     g_object_unref (priv->video_input);
1667   priv->video_input = NULL;
1668
1669   if (priv->audio_input != NULL)
1670     g_object_unref (priv->audio_input);
1671   priv->audio_input = NULL;
1672
1673   if (priv->video_tee != NULL)
1674     g_object_unref (priv->video_tee);
1675   priv->video_tee = NULL;
1676
1677   if (priv->fsnotifier != NULL)
1678     g_object_unref (priv->fsnotifier);
1679   priv->fsnotifier = NULL;
1680
1681   if (priv->timer_id != 0)
1682     g_source_remove (priv->timer_id);
1683   priv->timer_id = 0;
1684
1685   if (priv->ui_manager != NULL)
1686     g_object_unref (priv->ui_manager);
1687   priv->ui_manager = NULL;
1688
1689   if (priv->fullscreen != NULL)
1690     g_object_unref (priv->fullscreen);
1691   priv->fullscreen = NULL;
1692
1693   if (priv->contact != NULL)
1694     {
1695       g_signal_handlers_disconnect_by_func (priv->contact,
1696           contact_name_changed_cb, self);
1697       g_object_unref (priv->contact);
1698       priv->contact = NULL;
1699     }
1700
1701   tp_clear_object (&priv->sound_mgr);
1702
1703   /* release any references held by the object here */
1704   if (G_OBJECT_CLASS (empathy_streamed_media_window_parent_class)->dispose)
1705     G_OBJECT_CLASS (empathy_streamed_media_window_parent_class)->dispose (object);
1706 }
1707
1708 static void
1709 disconnect_video_output_motion_handler (EmpathyStreamedMediaWindow *self)
1710 {
1711   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1712
1713   if (priv->video_output_motion_handler_id != 0)
1714     {
1715       g_signal_handler_disconnect (G_OBJECT (priv->video_output),
1716           priv->video_output_motion_handler_id);
1717       priv->video_output_motion_handler_id = 0;
1718     }
1719 }
1720
1721 void
1722 empathy_streamed_media_window_finalize (GObject *object)
1723 {
1724   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (object);
1725   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1726
1727   disconnect_video_output_motion_handler (self);
1728
1729   /* free any data held directly by the object here */
1730   g_mutex_free (priv->lock);
1731
1732   g_timer_destroy (priv->timer);
1733
1734   G_OBJECT_CLASS (empathy_streamed_media_window_parent_class)->finalize (object);
1735 }
1736
1737
1738 EmpathyStreamedMediaWindow *
1739 empathy_streamed_media_window_new (EmpathyStreamedMediaHandler *handler)
1740 {
1741   return EMPATHY_STREAMED_MEDIA_WINDOW (
1742     g_object_new (EMPATHY_TYPE_STREAMED_MEDIA_WINDOW, "handler", handler, NULL));
1743 }
1744
1745 static void
1746 empathy_streamed_media_window_conference_added_cb (EmpathyStreamedMediaHandler *handler,
1747   GstElement *conference, gpointer user_data)
1748 {
1749   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
1750   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1751   GKeyFile *keyfile;
1752
1753   keyfile = fs_utils_get_default_element_properties (conference);
1754   if (keyfile != NULL)
1755     fs_element_added_notifier_set_properties_from_keyfile (priv->fsnotifier,
1756         keyfile);
1757
1758   gst_bin_add (GST_BIN (priv->pipeline), conference);
1759
1760   gst_element_set_state (conference, GST_STATE_PLAYING);
1761 }
1762
1763 static gboolean
1764 empathy_streamed_media_window_start_receiving_cb (EmpathyStreamedMediaHandler *handler,
1765   FsMediaType type,gpointer user_data)
1766 {
1767   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
1768   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1769
1770   if (type != FS_MEDIA_TYPE_VIDEO)
1771     return TRUE;
1772
1773   /* video and direction is send */
1774   return priv->video_input != NULL;
1775 }
1776
1777 static gboolean
1778 empathy_streamed_media_window_reset_pipeline (EmpathyStreamedMediaWindow *self)
1779 {
1780   GstStateChangeReturn state_change_return;
1781   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1782
1783   if (priv->pipeline == NULL)
1784     return TRUE;
1785
1786   if (priv->bus_message_source_id != 0)
1787     {
1788       g_source_remove (priv->bus_message_source_id);
1789       priv->bus_message_source_id = 0;
1790     }
1791
1792   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
1793
1794   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
1795         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
1796     {
1797       if (priv->pipeline != NULL)
1798         g_object_unref (priv->pipeline);
1799       priv->pipeline = NULL;
1800
1801       g_signal_handlers_disconnect_by_func (priv->audio_input_adj,
1802           empathy_streamed_media_window_mic_volume_changed_cb, self);
1803
1804       if (priv->video_tee != NULL)
1805         g_object_unref (priv->video_tee);
1806       priv->video_tee = NULL;
1807
1808       if (priv->video_preview != NULL)
1809         gtk_widget_destroy (priv->video_preview);
1810       priv->video_preview = NULL;
1811
1812       priv->funnel = NULL;
1813
1814       create_pipeline (self);
1815       /* Call will be started when user will hit the 'redial' button */
1816       priv->start_call_when_playing = FALSE;
1817       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
1818
1819       return TRUE;
1820     }
1821   else
1822     {
1823       g_message ("Error: could not destroy pipeline. Closing call window");
1824       gtk_widget_destroy (GTK_WIDGET (self));
1825
1826       return FALSE;
1827     }
1828 }
1829
1830 static void
1831 reset_details_pane (EmpathyStreamedMediaWindow *self)
1832 {
1833   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1834
1835   /* translators: encoding video codec is unknown */
1836   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label),
1837       C_("codec", "Unknown"));
1838   /* translators: encoding audio codec is unknown */
1839   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label),
1840       C_("codec", "Unknown"));
1841   /* translators: decoding video codec is unknown */
1842   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label),
1843       C_("codec", "Unknown"));
1844   /* translators: decoding audio codec is unknown */
1845   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label),
1846       C_("codec", "Unknown"));
1847 }
1848
1849 static gboolean
1850 empathy_streamed_media_window_disconnected (EmpathyStreamedMediaWindow *self,
1851     gboolean restart)
1852 {
1853   gboolean could_disconnect = FALSE;
1854   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1855   gboolean could_reset_pipeline;
1856
1857   /* Leave full screen mode if needed */
1858   gtk_window_unfullscreen (GTK_WINDOW (self));
1859
1860   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1861
1862   could_reset_pipeline = empathy_streamed_media_window_reset_pipeline (self);
1863
1864   if (priv->call_state == CONNECTING)
1865       empathy_sound_manager_stop (priv->sound_mgr,
1866           EMPATHY_SOUND_PHONE_OUTGOING);
1867
1868   if (priv->call_state != REDIALING)
1869     priv->call_state = DISCONNECTED;
1870
1871   if (could_reset_pipeline)
1872     {
1873       g_mutex_lock (priv->lock);
1874
1875       g_timer_stop (priv->timer);
1876
1877       if (priv->timer_id != 0)
1878         g_source_remove (priv->timer_id);
1879       priv->timer_id = 0;
1880
1881       g_mutex_unlock (priv->lock);
1882
1883       if (!restart)
1884         /* We are about to destroy the window, no need to update it or create
1885          * a video preview */
1886         return TRUE;
1887
1888       empathy_streamed_media_window_status_message (self, _("Disconnected"));
1889
1890       gtk_action_set_sensitive (priv->redial, TRUE);
1891       gtk_widget_set_sensitive (priv->redial_button, TRUE);
1892
1893       /* Unsensitive the camera and mic button */
1894       gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE);
1895       gtk_action_set_sensitive (priv->action_camera_on, FALSE);
1896       gtk_widget_set_sensitive (priv->mic_button, FALSE);
1897
1898       /* Be sure that the mic button is enabled */
1899       gtk_toggle_tool_button_set_active (
1900           GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE);
1901
1902       if (priv->camera_state == CAMERA_STATE_ON)
1903         {
1904           /* Enable the 'preview' button as we are not sending atm. */
1905           gtk_toggle_tool_button_set_active (
1906               GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_preview), TRUE);
1907         }
1908       else if (priv->camera_state == CAMERA_STATE_PREVIEW)
1909         {
1910           /* Restart the preview with the new pipeline. */
1911           display_video_preview (self, TRUE);
1912         }
1913
1914       gtk_progress_bar_set_fraction (
1915           GTK_PROGRESS_BAR (priv->volume_progress_bar), 0);
1916
1917       /* destroy the video output; it will be recreated when we'll redial */
1918       disconnect_video_output_motion_handler (self);
1919       gtk_widget_destroy (priv->video_output);
1920       priv->video_output = NULL;
1921
1922       gtk_widget_show (priv->remote_user_avatar_widget);
1923
1924       reset_details_pane (self);
1925
1926       priv->sending_video = FALSE;
1927       priv->call_started = FALSE;
1928
1929       could_disconnect = TRUE;
1930
1931       /* TODO: display the self avatar of the preview (depends if the "Always
1932        * Show Video Preview" is enabled or not) */
1933     }
1934
1935   return could_disconnect;
1936 }
1937
1938
1939 static void
1940 empathy_streamed_media_window_channel_closed_cb (EmpathyStreamedMediaHandler *handler,
1941     gpointer user_data)
1942 {
1943   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
1944   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1945
1946   if (empathy_streamed_media_window_disconnected (self, TRUE) &&
1947       priv->call_state == REDIALING)
1948       empathy_streamed_media_window_restart_call (self);
1949 }
1950
1951
1952 static void
1953 empathy_streamed_media_window_channel_stream_closed_cb (EmpathyStreamedMediaHandler *handler,
1954     TfContent *content, gpointer user_data)
1955 {
1956   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
1957   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
1958   guint media_type;
1959
1960   g_object_get (content, "media-type", &media_type, NULL);
1961
1962   /*
1963    * This assumes that there is only one video stream per channel...
1964    */
1965
1966   if (media_type == TP_MEDIA_STREAM_TYPE_VIDEO)
1967     {
1968       if (priv->funnel != NULL)
1969         {
1970           GstElement *output;
1971
1972           output = empathy_video_widget_get_element (EMPATHY_VIDEO_WIDGET
1973               (priv->video_output));
1974
1975           gst_element_set_state (output, GST_STATE_NULL);
1976           gst_element_set_state (priv->funnel, GST_STATE_NULL);
1977
1978           gst_bin_remove (GST_BIN (priv->pipeline), output);
1979           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
1980           priv->funnel = NULL;
1981         }
1982     }
1983   else if (media_type == TP_MEDIA_STREAM_TYPE_AUDIO)
1984     {
1985       if (priv->audio_output != NULL)
1986         {
1987           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
1988
1989           gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
1990           priv->audio_output = NULL;
1991         }
1992     }
1993 }
1994
1995 /* Called with global lock held */
1996 static GstPad *
1997 empathy_streamed_media_window_get_video_sink_pad (EmpathyStreamedMediaWindow *self)
1998 {
1999   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2000   GstPad *pad;
2001   GstElement *output;
2002
2003   if (priv->funnel == NULL)
2004     {
2005       output = empathy_video_widget_get_element (EMPATHY_VIDEO_WIDGET
2006         (priv->video_output));
2007
2008       priv->funnel = gst_element_factory_make ("fsfunnel", NULL);
2009
2010       if (!priv->funnel)
2011         {
2012           g_warning ("Could not create fsfunnel");
2013           return NULL;
2014         }
2015
2016       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2017         {
2018           gst_object_unref (priv->funnel);
2019           priv->funnel = NULL;
2020           g_warning ("Could  not add funnel to pipeline");
2021           return NULL;
2022         }
2023
2024       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2025         {
2026           g_warning ("Could not add the video output widget to the pipeline");
2027           goto error;
2028         }
2029
2030       if (!gst_element_link (priv->funnel, output))
2031         {
2032           g_warning ("Could not link output sink to funnel");
2033           goto error_output_added;
2034         }
2035
2036       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2037         {
2038           g_warning ("Could not start video sink");
2039           goto error_output_added;
2040         }
2041
2042       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2043         {
2044           g_warning ("Could not start funnel");
2045           goto error_output_added;
2046         }
2047     }
2048
2049   pad = gst_element_get_request_pad (priv->funnel, "sink%d");
2050
2051   if (!pad)
2052     g_warning ("Could not get request pad from funnel");
2053
2054   return pad;
2055
2056
2057  error_output_added:
2058
2059   gst_element_set_locked_state (priv->funnel, TRUE);
2060   gst_element_set_locked_state (output, TRUE);
2061
2062   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2063   gst_element_set_state (output, GST_STATE_NULL);
2064
2065   gst_bin_remove (GST_BIN (priv->pipeline), output);
2066   gst_element_set_locked_state (output, FALSE);
2067
2068  error:
2069
2070   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2071   priv->funnel = NULL;
2072
2073   return NULL;
2074 }
2075
2076 /* Called with global lock held */
2077 static GstPad *
2078 empathy_streamed_media_window_get_audio_sink_pad (EmpathyStreamedMediaWindow *self)
2079 {
2080   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2081   GstPad *pad;
2082   GstPadTemplate *template;
2083
2084   if (priv->audio_output == NULL)
2085     {
2086       priv->audio_output = empathy_audio_sink_new ();
2087
2088       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2089         {
2090           g_warning ("Could not add audio sink to pipeline");
2091           g_object_unref (priv->audio_output);
2092           goto error_add_output;
2093         }
2094
2095       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2096         {
2097           g_warning ("Could not start audio sink");
2098           goto error;
2099         }
2100     }
2101
2102   template = gst_element_class_get_pad_template (
2103     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2104
2105   pad = gst_element_request_pad (priv->audio_output,
2106     template, NULL, NULL);
2107
2108   if (pad == NULL)
2109     {
2110       g_warning ("Could not get sink pad from sink");
2111       return NULL;
2112     }
2113
2114   return pad;
2115
2116 error:
2117   gst_element_set_locked_state (priv->audio_output, TRUE);
2118   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2119   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2120   priv->audio_output = NULL;
2121
2122 error_add_output:
2123
2124   return NULL;
2125 }
2126
2127 static gboolean
2128 empathy_streamed_media_window_update_timer (gpointer user_data)
2129 {
2130   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
2131   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2132   gchar *str;
2133   gdouble time_;
2134
2135   time_ = g_timer_elapsed (priv->timer, NULL);
2136
2137   /* Translators: number of minutes:seconds the caller has been connected */
2138   str = g_strdup_printf (_("Connected — %d:%02dm"), (int) time_ / 60,
2139     (int) time_ % 60);
2140   empathy_streamed_media_window_status_message (self, str);
2141   g_free (str);
2142
2143   return TRUE;
2144 }
2145
2146 static void
2147 display_error (EmpathyStreamedMediaWindow *self,
2148     EmpathyTpStreamedMedia *call,
2149     const gchar *img,
2150     const gchar *title,
2151     const gchar *desc,
2152     const gchar *details)
2153 {
2154   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2155   GtkWidget *info_bar;
2156   GtkWidget *content_area;
2157   GtkWidget *hbox;
2158   GtkWidget *vbox;
2159   GtkWidget *image;
2160   GtkWidget *label;
2161   gchar *txt;
2162
2163   /* Create info bar */
2164   info_bar = gtk_info_bar_new_with_buttons (GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
2165       NULL);
2166
2167   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
2168
2169   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
2170
2171   /* hbox containing the image and the messages vbox */
2172   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
2173   gtk_container_add (GTK_CONTAINER (content_area), hbox);
2174
2175   /* Add image */
2176   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
2177   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
2178
2179   /* vbox containing the main message and the details expander */
2180   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
2181   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
2182
2183   /* Add text */
2184   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
2185
2186   label = gtk_label_new (NULL);
2187   gtk_label_set_markup (GTK_LABEL (label), txt);
2188   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
2189   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
2190   g_free (txt);
2191
2192   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
2193
2194   /* Add details */
2195   if (details != NULL)
2196     {
2197       GtkWidget *expander;
2198
2199       expander = gtk_expander_new (_("Technical Details"));
2200
2201       txt = g_strdup_printf ("<i>%s</i>", details);
2202
2203       label = gtk_label_new (NULL);
2204       gtk_label_set_markup (GTK_LABEL (label), txt);
2205       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
2206       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
2207       g_free (txt);
2208
2209       gtk_container_add (GTK_CONTAINER (expander), label);
2210       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
2211     }
2212
2213   g_signal_connect (info_bar, "response",
2214       G_CALLBACK (gtk_widget_destroy), NULL);
2215
2216   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
2217       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
2218   gtk_widget_show_all (info_bar);
2219 }
2220
2221 static gchar *
2222 media_stream_error_to_txt (EmpathyStreamedMediaWindow *self,
2223     EmpathyTpStreamedMedia *call,
2224     gboolean audio,
2225     TpMediaStreamError error)
2226 {
2227   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2228   const gchar *cm;
2229   gchar *url;
2230   gchar *result;
2231
2232   switch (error)
2233     {
2234       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
2235         if (audio)
2236           return g_strdup_printf (
2237               _("%s's software does not understand any of the audio formats "
2238                 "supported by your computer"),
2239             empathy_contact_get_alias (priv->contact));
2240         else
2241           return g_strdup_printf (
2242               _("%s's software does not understand any of the video formats "
2243                 "supported by your computer"),
2244             empathy_contact_get_alias (priv->contact));
2245
2246       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
2247         return g_strdup_printf (
2248             _("Can't establish a connection to %s. "
2249               "One of you might be on a network that does not allow "
2250               "direct connections."),
2251           empathy_contact_get_alias (priv->contact));
2252
2253       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
2254           return g_strdup (_("There was a failure on the network"));
2255
2256       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
2257         if (audio)
2258           return g_strdup (_("The audio formats necessary for this call "
2259                 "are not installed on your computer"));
2260         else
2261           return g_strdup (_("The video formats necessary for this call "
2262                 "are not installed on your computer"));
2263
2264       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
2265         cm = empathy_tp_streamed_media_get_connection_manager (call);
2266
2267         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
2268             "product=Telepathy&amp;component=%s", cm);
2269
2270         result = g_strdup_printf (
2271             _("Something unexpected happened in a Telepathy component. "
2272               "Please <a href=\"%s\">report this bug</a> and attach "
2273               "logs gathered from the 'Debug' window in the Help menu."), url);
2274
2275         g_free (url);
2276         return result;
2277
2278       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
2279         return g_strdup (_("There was a failure in the call engine"));
2280
2281       case TP_MEDIA_STREAM_ERROR_EOS:
2282         return g_strdup (_("The end of the stream was reached"));
2283
2284       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
2285       default:
2286         return NULL;
2287     }
2288 }
2289
2290 static void
2291 empathy_streamed_media_window_stream_error (EmpathyStreamedMediaWindow *self,
2292     EmpathyTpStreamedMedia *call,
2293     gboolean audio,
2294     guint code,
2295     const gchar *msg,
2296     const gchar *icon,
2297     const gchar *title)
2298 {
2299   gchar *desc;
2300
2301   desc = media_stream_error_to_txt (self, call, audio, code);
2302   if (desc == NULL)
2303     {
2304       /* No description, use the error message. That's not great as it's not
2305        * localized but it's better than nothing. */
2306       display_error (self, call, icon, title, msg, NULL);
2307     }
2308   else
2309     {
2310       display_error (self, call, icon, title, desc, msg);
2311       g_free (desc);
2312     }
2313 }
2314
2315 static void
2316 empathy_streamed_media_window_audio_stream_error (EmpathyTpStreamedMedia *call,
2317     guint code,
2318     const gchar *msg,
2319     EmpathyStreamedMediaWindow *self)
2320 {
2321   empathy_streamed_media_window_stream_error (self, call, TRUE, code, msg,
2322       "gnome-stock-mic", _("Can't establish audio stream"));
2323 }
2324
2325 static void
2326 empathy_streamed_media_window_video_stream_error (EmpathyTpStreamedMedia *call,
2327     guint code,
2328     const gchar *msg,
2329     EmpathyStreamedMediaWindow *self)
2330 {
2331   empathy_streamed_media_window_stream_error (self, call, FALSE, code, msg,
2332       "camera-web", _("Can't establish video stream"));
2333 }
2334
2335 static gboolean
2336 empathy_streamed_media_window_connected (gpointer user_data)
2337 {
2338   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
2339   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2340   EmpathyTpStreamedMedia *call;
2341   gboolean can_send_video;
2342
2343   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2344
2345   can_send_video = priv->video_input != NULL && priv->contact != NULL &&
2346     empathy_contact_can_voip_video (priv->contact);
2347
2348   g_object_get (priv->handler, "tp-call", &call, NULL);
2349
2350   tp_g_signal_connect_object (call, "notify::video-stream",
2351     G_CALLBACK (empathy_streamed_media_window_video_stream_changed_cb),
2352     self, 0);
2353
2354   if (empathy_tp_streamed_media_has_dtmf (call))
2355     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
2356
2357   if (priv->video_input == NULL)
2358     empathy_streamed_media_window_set_send_video (self, CAMERA_STATE_OFF);
2359
2360   priv->sending_video = can_send_video ?
2361     empathy_tp_streamed_media_is_sending_video (call) : FALSE;
2362
2363   gtk_toggle_tool_button_set_active (
2364       GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_on),
2365       priv->sending_video && priv->video_input != NULL);
2366   gtk_widget_set_sensitive (priv->tool_button_camera_on, can_send_video);
2367   gtk_action_set_sensitive (priv->action_camera_on, can_send_video);
2368
2369   gtk_action_set_sensitive (priv->redial, FALSE);
2370   gtk_widget_set_sensitive (priv->redial_button, FALSE);
2371
2372   gtk_widget_set_sensitive (priv->mic_button, TRUE);
2373
2374   empathy_streamed_media_window_update_avatars_visibility (call, self);
2375
2376   g_object_unref (call);
2377
2378   g_mutex_lock (priv->lock);
2379
2380   priv->timer_id = g_timeout_add_seconds (1,
2381     empathy_streamed_media_window_update_timer, self);
2382
2383   g_mutex_unlock (priv->lock);
2384
2385   empathy_streamed_media_window_update_timer (self);
2386
2387   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
2388
2389   return FALSE;
2390 }
2391
2392
2393 /* Called from the streaming thread */
2394 static gboolean
2395 empathy_streamed_media_window_src_added_cb (EmpathyStreamedMediaHandler *handler,
2396   GstPad *src, guint media_type, gpointer user_data)
2397 {
2398   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
2399   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2400   gboolean retval = FALSE;
2401
2402   GstPad *pad;
2403
2404   g_mutex_lock (priv->lock);
2405
2406   if (priv->call_state != CONNECTED)
2407     {
2408       g_timer_start (priv->timer);
2409       priv->timer_id = g_idle_add  (empathy_streamed_media_window_connected, self);
2410       priv->call_state = CONNECTED;
2411     }
2412
2413   switch (media_type)
2414     {
2415       case TP_MEDIA_STREAM_TYPE_AUDIO:
2416         pad = empathy_streamed_media_window_get_audio_sink_pad (self);
2417         break;
2418       case TP_MEDIA_STREAM_TYPE_VIDEO:
2419         gtk_widget_hide (priv->remote_user_avatar_widget);
2420         gtk_widget_show (priv->video_output);
2421         pad = empathy_streamed_media_window_get_video_sink_pad (self);
2422         break;
2423       default:
2424         g_assert_not_reached ();
2425     }
2426
2427   if (pad == NULL)
2428     goto out;
2429
2430   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
2431       g_warning ("Could not link %s sink pad",
2432           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
2433   else
2434       retval = TRUE;
2435
2436   gst_object_unref (pad);
2437
2438  out:
2439
2440   /* If no sink could be linked, try to add fakesink to prevent the whole call
2441    * aborting */
2442
2443   if (!retval)
2444     {
2445       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
2446
2447       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
2448         {
2449           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
2450           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
2451               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
2452             {
2453               gst_element_set_locked_state (fakesink, TRUE);
2454               gst_element_set_state (fakesink, GST_STATE_NULL);
2455               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
2456             }
2457           else
2458             {
2459               DEBUG ("Could not link real sink, linked fakesink instead");
2460             }
2461           gst_object_unref (sinkpad);
2462         }
2463       else
2464         {
2465           gst_object_unref (fakesink);
2466         }
2467     }
2468
2469
2470   g_mutex_unlock (priv->lock);
2471
2472   return TRUE;
2473 }
2474
2475 static gboolean
2476 empathy_streamed_media_window_sink_added_cb (EmpathyStreamedMediaHandler *handler,
2477   GstPad *sink, guint media_type, gpointer user_data)
2478 {
2479   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
2480   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2481   GstPad *pad;
2482   gboolean retval = FALSE;
2483
2484   switch (media_type)
2485     {
2486       case TP_MEDIA_STREAM_TYPE_AUDIO:
2487         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
2488           {
2489             g_warning ("Could not add audio source to pipeline");
2490             break;
2491           }
2492
2493         pad = gst_element_get_static_pad (priv->audio_input, "src");
2494         if (!pad)
2495           {
2496             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
2497             g_warning ("Could not get source pad from audio source");
2498             break;
2499           }
2500
2501         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
2502           {
2503             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
2504             g_warning ("Could not link audio source to farsight");
2505             break;
2506           }
2507
2508         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2509           {
2510             g_warning ("Could not start audio source");
2511             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
2512             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
2513             break;
2514           }
2515
2516         retval = TRUE;
2517         break;
2518       case TP_MEDIA_STREAM_TYPE_VIDEO:
2519         if (priv->video_input != NULL)
2520           {
2521             if (priv->video_tee != NULL)
2522               {
2523                 pad = gst_element_get_request_pad (priv->video_tee, "src%d");
2524                 if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
2525                   {
2526                     g_warning ("Could not link videp soure input pipeline");
2527                     break;
2528                   }
2529                 gst_object_unref (pad);
2530               }
2531
2532             retval = TRUE;
2533           }
2534         break;
2535       default:
2536         g_assert_not_reached ();
2537     }
2538
2539   return retval;
2540 }
2541
2542 static void
2543 empathy_streamed_media_window_remove_video_input (EmpathyStreamedMediaWindow *self)
2544 {
2545   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2546   GstElement *preview;
2547
2548   disable_camera (self);
2549
2550   DEBUG ("remove video input");
2551   preview = empathy_video_widget_get_element (
2552     EMPATHY_VIDEO_WIDGET (priv->video_preview));
2553
2554   gst_element_set_state (priv->video_input, GST_STATE_NULL);
2555   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
2556   gst_element_set_state (preview, GST_STATE_NULL);
2557
2558   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
2559     priv->video_tee, preview, NULL);
2560
2561   g_object_unref (priv->video_input);
2562   priv->video_input = NULL;
2563   g_object_unref (priv->video_tee);
2564   priv->video_tee = NULL;
2565   gtk_widget_destroy (priv->video_preview);
2566   priv->video_preview = NULL;
2567
2568   gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE);
2569   gtk_action_set_sensitive (priv->action_camera_on, FALSE);
2570   gtk_widget_set_sensitive (priv->tool_button_camera_preview, FALSE);
2571 }
2572
2573 static void
2574 start_call (EmpathyStreamedMediaWindow *self)
2575 {
2576   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2577
2578   priv->call_started = TRUE;
2579   empathy_streamed_media_handler_start_call (priv->handler,
2580       empathy_get_current_action_time ());
2581
2582   if (empathy_streamed_media_handler_has_initial_video (priv->handler))
2583     {
2584       /* Enable 'send video' buttons and display the preview */
2585       gtk_toggle_tool_button_set_active (
2586           GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_on), TRUE);
2587     }
2588 }
2589
2590 static gboolean
2591 empathy_streamed_media_window_bus_message (GstBus *bus, GstMessage *message,
2592   gpointer user_data)
2593 {
2594   EmpathyStreamedMediaWindow *self = EMPATHY_STREAMED_MEDIA_WINDOW (user_data);
2595   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2596   GstState newstate;
2597
2598   empathy_streamed_media_handler_bus_message (priv->handler, bus, message);
2599
2600   switch (GST_MESSAGE_TYPE (message))
2601     {
2602       case GST_MESSAGE_STATE_CHANGED:
2603         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
2604           {
2605             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
2606             if (newstate == GST_STATE_PAUSED)
2607                 empathy_streamed_media_window_setup_video_input (self);
2608           }
2609         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
2610             !priv->call_started)
2611           {
2612             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
2613             if (newstate == GST_STATE_PAUSED)
2614               {
2615                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
2616                 priv->pipeline_playing = TRUE;
2617
2618                 if (priv->start_call_when_playing)
2619                   start_call (self);
2620               }
2621           }
2622         break;
2623       case GST_MESSAGE_ERROR:
2624         {
2625           GError *error = NULL;
2626           GstElement *gst_error;
2627           gchar *debug;
2628
2629           gst_message_parse_error (message, &error, &debug);
2630           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
2631
2632           g_message ("Element error: %s -- %s\n", error->message, debug);
2633
2634           if (g_str_has_prefix (gst_element_get_name (gst_error),
2635                 VIDEO_INPUT_ERROR_PREFIX))
2636             {
2637               /* Remove the video input and continue */
2638               if (priv->video_input != NULL)
2639                 empathy_streamed_media_window_remove_video_input (self);
2640               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
2641             }
2642           else
2643             {
2644               empathy_streamed_media_window_disconnected (self, TRUE);
2645             }
2646           g_error_free (error);
2647           g_free (debug);
2648         }
2649       case GST_MESSAGE_UNKNOWN:
2650       case GST_MESSAGE_EOS:
2651       case GST_MESSAGE_WARNING:
2652       case GST_MESSAGE_INFO:
2653       case GST_MESSAGE_TAG:
2654       case GST_MESSAGE_BUFFERING:
2655       case GST_MESSAGE_STATE_DIRTY:
2656       case GST_MESSAGE_STEP_DONE:
2657       case GST_MESSAGE_CLOCK_PROVIDE:
2658       case GST_MESSAGE_CLOCK_LOST:
2659       case GST_MESSAGE_NEW_CLOCK:
2660       case GST_MESSAGE_STRUCTURE_CHANGE:
2661       case GST_MESSAGE_STREAM_STATUS:
2662       case GST_MESSAGE_APPLICATION:
2663       case GST_MESSAGE_ELEMENT:
2664       case GST_MESSAGE_SEGMENT_START:
2665       case GST_MESSAGE_SEGMENT_DONE:
2666       case GST_MESSAGE_DURATION:
2667       case GST_MESSAGE_ANY:
2668       default:
2669         break;
2670     }
2671
2672   return TRUE;
2673 }
2674
2675 static void
2676 empathy_streamed_media_window_update_avatars_visibility (EmpathyTpStreamedMedia *call,
2677     EmpathyStreamedMediaWindow *window)
2678 {
2679   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2680
2681   if (empathy_tp_streamed_media_is_receiving_video (call))
2682     {
2683       gtk_widget_hide (priv->remote_user_avatar_widget);
2684       gtk_widget_show (priv->video_output);
2685     }
2686   else
2687     {
2688       gtk_widget_hide (priv->video_output);
2689       gtk_widget_show (priv->remote_user_avatar_widget);
2690     }
2691 }
2692
2693 static void
2694 call_handler_notify_tp_streamed_media_cb (EmpathyStreamedMediaHandler *handler,
2695     GParamSpec *spec,
2696     EmpathyStreamedMediaWindow *self)
2697 {
2698   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
2699   EmpathyTpStreamedMedia *call;
2700
2701   g_object_get (priv->handler, "tp-call", &call, NULL);
2702   if (call == NULL)
2703     return;
2704
2705   tp_g_signal_connect_object (call, "audio-stream-error",
2706       G_CALLBACK (empathy_streamed_media_window_audio_stream_error), self, 0);
2707   tp_g_signal_connect_object (call, "video-stream-error",
2708       G_CALLBACK (empathy_streamed_media_window_video_stream_error), self, 0);
2709
2710   g_object_unref (call);
2711 }
2712
2713 static void
2714 empathy_streamed_media_window_realized_cb (GtkWidget *widget, EmpathyStreamedMediaWindow *window)
2715 {
2716   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2717   EmpathyTpStreamedMedia *call;
2718
2719   g_signal_connect (priv->handler, "conference-added",
2720     G_CALLBACK (empathy_streamed_media_window_conference_added_cb), window);
2721   g_signal_connect (priv->handler, "start-receiving",
2722     G_CALLBACK (empathy_streamed_media_window_start_receiving_cb), window);
2723   g_signal_connect (priv->handler, "closed",
2724     G_CALLBACK (empathy_streamed_media_window_channel_closed_cb), window);
2725   g_signal_connect (priv->handler, "src-pad-added",
2726     G_CALLBACK (empathy_streamed_media_window_src_added_cb), window);
2727   g_signal_connect (priv->handler, "sink-pad-added",
2728     G_CALLBACK (empathy_streamed_media_window_sink_added_cb), window);
2729   g_signal_connect (priv->handler, "stream-closed",
2730     G_CALLBACK (empathy_streamed_media_window_channel_stream_closed_cb), window);
2731
2732   g_object_get (priv->handler, "tp-call", &call, NULL);
2733   if (call != NULL)
2734     {
2735       tp_g_signal_connect_object (call, "audio-stream-error",
2736         G_CALLBACK (empathy_streamed_media_window_audio_stream_error), window,
2737         0);
2738       tp_g_signal_connect_object (call, "video-stream-error",
2739         G_CALLBACK (empathy_streamed_media_window_video_stream_error), window,
2740         0);
2741
2742       g_object_unref (call);
2743     }
2744   else
2745     {
2746       /* tp-call doesn't exist yet, we'll connect signals once it has been
2747        * set */
2748       g_signal_connect (priv->handler, "notify::tp-call",
2749         G_CALLBACK (call_handler_notify_tp_streamed_media_cb), window);
2750     }
2751
2752   gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2753 }
2754
2755 static gboolean
2756 empathy_streamed_media_window_delete_cb (GtkWidget *widget, GdkEvent*event,
2757   EmpathyStreamedMediaWindow *window)
2758 {
2759   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2760
2761   if (priv->pipeline != NULL)
2762     {
2763       if (priv->bus_message_source_id != 0)
2764         {
2765           g_source_remove (priv->bus_message_source_id);
2766           priv->bus_message_source_id = 0;
2767         }
2768
2769       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2770     }
2771
2772   if (priv->call_state == CONNECTING)
2773     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2774
2775   return FALSE;
2776 }
2777
2778 static void
2779 show_controls (EmpathyStreamedMediaWindow *window, gboolean set_fullscreen)
2780 {
2781   GtkWidget *menu;
2782   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2783
2784   menu = gtk_ui_manager_get_widget (priv->ui_manager,
2785             "/menubar1");
2786
2787   if (set_fullscreen)
2788     {
2789       gtk_widget_hide (priv->sidebar);
2790       gtk_widget_hide (menu);
2791       gtk_widget_hide (priv->vbox);
2792       gtk_widget_hide (priv->statusbar);
2793       gtk_widget_hide (priv->toolbar);
2794     }
2795   else
2796     {
2797       if (priv->sidebar_was_visible_before_fs)
2798         gtk_widget_show (priv->sidebar);
2799
2800       gtk_widget_show (menu);
2801       gtk_widget_show (priv->vbox);
2802       gtk_widget_show (priv->statusbar);
2803       gtk_widget_show (priv->toolbar);
2804
2805       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
2806           priv->original_height_before_fs);
2807     }
2808 }
2809
2810 static void
2811 show_borders (EmpathyStreamedMediaWindow *window, gboolean set_fullscreen)
2812 {
2813   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2814
2815   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
2816       set_fullscreen ? 0 : CONTENT_HBOX_BORDER_WIDTH);
2817   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
2818       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
2819
2820   if (priv->video_output != NULL)
2821     {
2822       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
2823           priv->video_output, TRUE, TRUE,
2824           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
2825           GTK_PACK_START);
2826     }
2827
2828   gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
2829       priv->vbox, TRUE, TRUE,
2830       set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
2831       GTK_PACK_START);
2832 }
2833
2834 static gboolean
2835 empathy_streamed_media_window_state_event_cb (GtkWidget *widget,
2836   GdkEventWindowState *event, EmpathyStreamedMediaWindow *window)
2837 {
2838   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
2839     {
2840       EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2841       gboolean set_fullscreen = event->new_window_state &
2842         GDK_WINDOW_STATE_FULLSCREEN;
2843
2844       if (set_fullscreen)
2845         {
2846           gboolean sidebar_was_visible;
2847           GtkAllocation allocation;
2848           gint original_width, original_height;
2849
2850           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
2851           original_width = allocation.width;
2852           original_height = allocation.height;
2853
2854           g_object_get (priv->sidebar, "visible", &sidebar_was_visible, NULL);
2855
2856           priv->sidebar_was_visible_before_fs = sidebar_was_visible;
2857           priv->original_width_before_fs = original_width;
2858           priv->original_height_before_fs = original_height;
2859
2860           if (priv->video_output_motion_handler_id == 0 &&
2861                 priv->video_output != NULL)
2862             {
2863               priv->video_output_motion_handler_id = g_signal_connect (
2864                   G_OBJECT (priv->video_output), "motion-notify-event",
2865                   G_CALLBACK (empathy_streamed_media_window_video_output_motion_notify),
2866                   window);
2867             }
2868         }
2869       else
2870         {
2871           disconnect_video_output_motion_handler (window);
2872         }
2873
2874       empathy_streamed_media_window_fullscreen_set_fullscreen (priv->fullscreen,
2875           set_fullscreen);
2876       show_controls (window, set_fullscreen);
2877       show_borders (window, set_fullscreen);
2878       gtk_action_set_stock_id (priv->menu_fullscreen,
2879           (set_fullscreen ? "gtk-leave-fullscreen" : "gtk-fullscreen"));
2880       priv->is_fullscreen = set_fullscreen;
2881   }
2882
2883   return FALSE;
2884 }
2885
2886 static void
2887 empathy_streamed_media_window_sidebar_toggled_cb (GtkToggleButton *toggle,
2888   EmpathyStreamedMediaWindow *window)
2889 {
2890   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2891   GtkWidget *arrow;
2892   int w, h, handle_size;
2893   GtkAllocation allocation, sidebar_allocation;
2894
2895   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
2896   w = allocation.width;
2897   h = allocation.height;
2898
2899   gtk_widget_style_get (priv->pane, "handle_size", &handle_size, NULL);
2900
2901   gtk_widget_get_allocation (priv->sidebar, &sidebar_allocation);
2902   if (gtk_toggle_button_get_active (toggle))
2903     {
2904       arrow = gtk_arrow_new (GTK_ARROW_LEFT, GTK_SHADOW_NONE);
2905       gtk_widget_show (priv->sidebar);
2906       w += sidebar_allocation.width + handle_size;
2907     }
2908   else
2909     {
2910       arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE);
2911       w -= sidebar_allocation.width + handle_size;
2912       gtk_widget_hide (priv->sidebar);
2913     }
2914
2915   gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow);
2916
2917   if (w > 0 && h > 0)
2918     gtk_window_resize (GTK_WINDOW (window), w, h);
2919 }
2920
2921 static void
2922 empathy_streamed_media_window_set_send_video (EmpathyStreamedMediaWindow *window,
2923   CameraState state)
2924 {
2925   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2926   EmpathyTpStreamedMedia *call;
2927
2928   priv->sending_video = (state == CAMERA_STATE_ON);
2929
2930   if (state == CAMERA_STATE_PREVIEW ||
2931       state == CAMERA_STATE_ON)
2932     {
2933       /* When we start sending video, we want to show the video preview by
2934          default. */
2935       display_video_preview (window, TRUE);
2936     }
2937   else
2938     {
2939       display_video_preview (window, FALSE);
2940     }
2941
2942   if (priv->call_state != CONNECTED)
2943     return;
2944
2945   g_object_get (priv->handler, "tp-call", &call, NULL);
2946   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
2947   empathy_tp_streamed_media_request_video_stream_direction (call, priv->sending_video);
2948   g_object_unref (call);
2949 }
2950
2951 static void
2952 empathy_streamed_media_window_mic_toggled_cb (GtkToggleToolButton *toggle,
2953   EmpathyStreamedMediaWindow *window)
2954 {
2955   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2956   gboolean active;
2957
2958   active = (gtk_toggle_tool_button_get_active (toggle));
2959
2960   if (active)
2961     {
2962       empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
2963         priv->volume);
2964       gtk_adjustment_set_value (priv->audio_input_adj, priv->volume * 100);
2965     }
2966   else
2967     {
2968       /* TODO, Instead of setting the input volume to 0 we should probably
2969        * stop sending but this would cause the audio call to drop if both
2970        * sides mute at the same time on certain CMs AFAIK. Need to revisit this
2971        * in the future. GNOME #574574
2972        */
2973       empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input),
2974         0);
2975       gtk_adjustment_set_value (priv->audio_input_adj, 0);
2976     }
2977 }
2978
2979 static void
2980 empathy_streamed_media_window_sidebar_hidden_cb (EvSidebar *sidebar,
2981   EmpathyStreamedMediaWindow *window)
2982 {
2983   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2984
2985   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->sidebar_button),
2986     FALSE);
2987 }
2988
2989 static void
2990 empathy_streamed_media_window_sidebar_shown_cb (EvSidebar *sidebar,
2991   EmpathyStreamedMediaWindow *window)
2992 {
2993   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
2994
2995   gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->sidebar_button),
2996     TRUE);
2997 }
2998
2999 static void
3000 empathy_streamed_media_window_hangup_cb (gpointer object,
3001                                EmpathyStreamedMediaWindow *window)
3002 {
3003   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3004
3005   empathy_streamed_media_handler_stop_call (priv->handler);
3006
3007   if (empathy_streamed_media_window_disconnected (window, FALSE))
3008     gtk_widget_destroy (GTK_WIDGET (window));
3009 }
3010
3011 static void
3012 empathy_streamed_media_window_restart_call (EmpathyStreamedMediaWindow *window)
3013 {
3014   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3015
3016   /* Remove error info bars */
3017   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
3018       (GtkCallback) gtk_widget_destroy, NULL);
3019
3020   create_video_output_widget (window);
3021
3022   g_signal_connect (G_OBJECT (priv->audio_input_adj), "value-changed",
3023       G_CALLBACK (empathy_streamed_media_window_mic_volume_changed_cb), window);
3024
3025   /* While the call was disconnected, the input volume might have changed.
3026    * However, since the audio_input source was destroyed, its volume has not
3027    * been updated during that time. That's why we manually update it here */
3028   empathy_streamed_media_window_mic_volume_changed_cb (priv->audio_input_adj, window);
3029
3030   priv->outgoing = TRUE;
3031   empathy_streamed_media_window_set_state_connecting (window);
3032
3033   if (priv->pipeline_playing)
3034     start_call (window);
3035   else
3036     /* call will be started when the pipeline is ready */
3037     priv->start_call_when_playing = TRUE;
3038
3039
3040   empathy_streamed_media_window_setup_avatars (window, priv->handler);
3041
3042   gtk_action_set_sensitive (priv->redial, FALSE);
3043   gtk_widget_set_sensitive (priv->redial_button, FALSE);
3044 }
3045
3046 static void
3047 empathy_streamed_media_window_redial_cb (gpointer object,
3048     EmpathyStreamedMediaWindow *window)
3049 {
3050   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3051
3052   if (priv->call_state == CONNECTED)
3053     priv->call_state = REDIALING;
3054
3055   empathy_streamed_media_handler_stop_call (priv->handler);
3056
3057   if (priv->call_state != CONNECTED)
3058     empathy_streamed_media_window_restart_call (window);
3059 }
3060
3061 static void
3062 empathy_streamed_media_window_fullscreen_cb (gpointer object,
3063                                    EmpathyStreamedMediaWindow *window)
3064 {
3065   empathy_streamed_media_window_fullscreen_toggle (window);
3066 }
3067
3068 static void
3069 empathy_streamed_media_window_fullscreen_toggle (EmpathyStreamedMediaWindow *window)
3070 {
3071   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3072
3073   if (priv->is_fullscreen)
3074     gtk_window_unfullscreen (GTK_WINDOW (window));
3075   else
3076     gtk_window_fullscreen (GTK_WINDOW (window));
3077 }
3078
3079 static gboolean
3080 empathy_streamed_media_window_video_button_press_cb (GtkWidget *video_output,
3081   GdkEventButton *event, EmpathyStreamedMediaWindow *window)
3082 {
3083   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
3084     {
3085       empathy_streamed_media_window_video_menu_popup (window, event->button);
3086       return TRUE;
3087     }
3088
3089   return FALSE;
3090 }
3091
3092 static gboolean
3093 empathy_streamed_media_window_key_press_cb (GtkWidget *video_output,
3094   GdkEventKey *event, EmpathyStreamedMediaWindow *window)
3095 {
3096   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3097
3098   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
3099     {
3100       /* Since we are in fullscreen mode, toggling will bring us back to
3101          normal mode. */
3102       empathy_streamed_media_window_fullscreen_toggle (window);
3103       return TRUE;
3104     }
3105
3106   return FALSE;
3107 }
3108
3109 static gboolean
3110 empathy_streamed_media_window_video_output_motion_notify (GtkWidget *widget,
3111     GdkEventMotion *event, EmpathyStreamedMediaWindow *window)
3112 {
3113   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3114
3115   if (priv->is_fullscreen)
3116     {
3117       empathy_streamed_media_window_fullscreen_show_popup (priv->fullscreen);
3118       return TRUE;
3119     }
3120   return FALSE;
3121 }
3122
3123 static void
3124 empathy_streamed_media_window_video_menu_popup (EmpathyStreamedMediaWindow *window,
3125   guint button)
3126 {
3127   GtkWidget *menu;
3128   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3129
3130   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3131             "/video-popup");
3132   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
3133       button, gtk_get_current_event_time ());
3134   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
3135 }
3136
3137 static void
3138 empathy_streamed_media_window_status_message (EmpathyStreamedMediaWindow *window,
3139   gchar *message)
3140 {
3141   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3142
3143   if (priv->context_id == 0)
3144     {
3145       priv->context_id = gtk_statusbar_get_context_id (
3146         GTK_STATUSBAR (priv->statusbar), "voip call status messages");
3147     }
3148   else
3149     {
3150       gtk_statusbar_pop (GTK_STATUSBAR (priv->statusbar), priv->context_id);
3151     }
3152
3153   gtk_statusbar_push (GTK_STATUSBAR (priv->statusbar), priv->context_id,
3154     message);
3155 }
3156
3157 static void
3158 empathy_streamed_media_window_volume_changed_cb (GtkScaleButton *button,
3159   gdouble value, EmpathyStreamedMediaWindow *window)
3160 {
3161   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (window);
3162
3163   if (priv->audio_output == NULL)
3164     return;
3165
3166   empathy_audio_sink_set_volume (EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3167     value);
3168 }
3169
3170 /* block all the signals related to camera control widgets. This is useful
3171  * when we are manually updating the UI and so don't want to fire the
3172  * callbacks */
3173 static void
3174 block_camera_control_signals (EmpathyStreamedMediaWindow *self)
3175 {
3176   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
3177
3178   g_signal_handlers_block_by_func (priv->tool_button_camera_off,
3179       tool_button_camera_off_toggled_cb, self);
3180   g_signal_handlers_block_by_func (priv->tool_button_camera_preview,
3181       tool_button_camera_preview_toggled_cb, self);
3182   g_signal_handlers_block_by_func (priv->tool_button_camera_on,
3183       tool_button_camera_on_toggled_cb, self);
3184   g_signal_handlers_block_by_func (priv->action_camera_on,
3185       action_camera_change_cb, self);
3186 }
3187
3188 static void
3189 unblock_camera_control_signals (EmpathyStreamedMediaWindow *self)
3190 {
3191   EmpathyStreamedMediaWindowPriv *priv = GET_PRIV (self);
3192
3193   g_signal_handlers_unblock_by_func (priv->tool_button_camera_off,
3194       tool_button_camera_off_toggled_cb, self);
3195   g_signal_handlers_unblock_by_func (priv->tool_button_camera_preview,
3196       tool_button_camera_preview_toggled_cb, self);
3197   g_signal_handlers_unblock_by_func (priv->tool_button_camera_on,
3198       tool_button_camera_on_toggled_cb, self);
3199   g_signal_handlers_unblock_by_func (priv->action_camera_on,
3200       action_camera_change_cb, self);
3201 }