src/empathy-call-window.c

   1 /*
   2  * empathy-call-window.c - Source for EmpathyCallWindow
   3  * Copyright (C) 2008-2011 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 <clutter/clutter.h>
  34 #include <clutter-gtk/clutter-gtk.h>
  35 #include <clutter-gst/clutter-gst.h>
  36
  37 #include <telepathy-glib/util.h>
  38 #include <telepathy-farstream/telepathy-farstream.h>
  39 #include <telepathy-glib/util.h>
  40
  41 #include <gst/farsight/fs-element-added-notifier.h>
  42 #include <gst/farsight/fs-utils.h>
  43
  44 #include <libempathy/empathy-camera-monitor.h>
  45 #include <libempathy/empathy-gsettings.h>
  46 #include <libempathy/empathy-tp-contact-factory.h>
  47 #include <libempathy/empathy-request-util.h>
  48 #include <libempathy/empathy-utils.h>
  49
  50 #include <libempathy-gtk/empathy-avatar-image.h>
  51 #include <libempathy-gtk/empathy-dialpad-widget.h>
  52 #include <libempathy-gtk/empathy-ui-utils.h>
  53 #include <libempathy-gtk/empathy-sound-manager.h>
  54 #include <libempathy-gtk/empathy-geometry.h>
  55 #include <libempathy-gtk/empathy-images.h>
  56
  57 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  58 #include <libempathy/empathy-debug.h>
  59
  60 #include "empathy-call-window.h"
  61 #include "empathy-call-window-fullscreen.h"
  62 #include "empathy-call-factory.h"
  63 #include "empathy-video-widget.h"
  64 #include "empathy-about-dialog.h"
  65 #include "empathy-audio-src.h"
  66 #include "empathy-audio-sink.h"
  67 #include "empathy-video-src.h"
  68 #include "empathy-mic-menu.h"
  69 #include "empathy-preferences.h"
  70 #include "empathy-rounded-actor.h"
  71 #include "empathy-rounded-rectangle.h"
  72 #include "empathy-rounded-texture.h"
  73 #include "empathy-camera-menu.h"
  74
  75 #define CONTENT_HBOX_BORDER_WIDTH 6
  76 #define CONTENT_HBOX_SPACING 3
  77 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 3
  78
  79 #define SELF_VIDEO_SECTION_WIDTH 120
  80 #define SELF_VIDEO_SECTION_HEIGHT 90
  81 #define SELF_VIDEO_SECTION_MARGIN 10
  82
  83 #define FLOATING_TOOLBAR_OPACITY 192
  84 #define FLOATING_TOOLBAR_WIDTH 280
  85 #define FLOATING_TOOLBAR_HEIGHT 36
  86 #define FLOATING_TOOLBAR_SPACING 20
  87
  88 /* The avatar's default width and height are set to the same value because we
  89    want a square icon. */
  90 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  91 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT \
  92   EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  93
  94 #define SMALL_TOOLBAR_SIZE 36
  95
  96 /* If an video input error occurs, the error message will start with "v4l" */
  97 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  98
  99 /* The time interval in milliseconds between 2 outgoing rings */
 100 #define MS_BETWEEN_RING 500
 101
 102 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
 103
 104 enum {
 105   PROP_CALL_HANDLER = 1,
 106 };
 107
 108 typedef enum {
 109   RINGING,       /* Incoming call */
 110   CONNECTING,    /* Outgoing call */
 111   CONNECTED,     /* Connected */
 112   HELD,          /* Connected, but on hold */
 113   DISCONNECTED,  /* Disconnected */
 114   REDIALING      /* Redialing (special case of CONNECTING) */
 115 } CallState;
 116
 117 typedef enum {
 118   CAMERA_STATE_OFF = 0,
 119   CAMERA_STATE_ON,
 120 } CameraState;
 121
 122 typedef enum {
 123   PREVIEW_POS_NONE,
 124   PREVIEW_POS_TOP_LEFT,
 125   PREVIEW_POS_TOP_RIGHT,
 126   PREVIEW_POS_BOTTOM_LEFT,
 127   PREVIEW_POS_BOTTOM_RIGHT,
 128 } PreviewPosition;
 129
 130 struct _EmpathyCallWindowPriv
 131 {
 132   gboolean dispose_has_run;
 133   EmpathyCallHandler *handler;
 134
 135   EmpathyContact *contact;
 136
 137   EmpathyCameraMonitor *camera_monitor;
 138
 139   guint call_state;
 140   gboolean outgoing;
 141
 142   GtkUIManager *ui_manager;
 143   GtkWidget *errors_vbox;
 144   /* widget displays the video received from the remote user. This widget is
 145    * alive only during call. */
 146   ClutterActor *video_output;
 147   ClutterActor *video_preview;
 148   ClutterActor *drag_preview;
 149   ClutterActor *preview_shown_button;
 150   ClutterActor *preview_hidden_button;
 151   ClutterActor *preview_rectangle1;
 152   ClutterActor *preview_rectangle2;
 153   ClutterActor *preview_rectangle3;
 154   ClutterActor *preview_rectangle4;
 155   ClutterActor *preview_rectangle_box1;
 156   ClutterActor *preview_rectangle_box2;
 157   ClutterActor *preview_rectangle_box3;
 158   ClutterActor *preview_rectangle_box4;
 159   ClutterActor *preview_spinner_actor;
 160   GtkWidget *preview_spinner_widget;
 161   GtkWidget *video_container;
 162   GtkWidget *remote_user_avatar_widget;
 163   GtkWidget *remote_user_avatar_toolbar;
 164   GtkWidget *remote_user_name_toolbar;
 165   GtkWidget *status_label;
 166   GtkWidget *hangup_button;
 167   GtkWidget *audio_call_button;
 168   GtkWidget *video_call_button;
 169   GtkWidget *mic_button;
 170   GtkWidget *volume_button;
 171   GtkWidget *camera_button;
 172   GtkWidget *dialpad_button;
 173   GtkWidget *toolbar;
 174   GtkWidget *bottom_toolbar;
 175   ClutterActor *floating_toolbar;
 176   GtkWidget *pane;
 177   GtkAction *menu_fullscreen;
 178   GtkAction *menu_swap_camera;
 179
 180   ClutterState *transitions;
 181
 182   /* The box that contains self and remote avatar and video
 183      input/output. When we redial, we destroy and re-create the box */
 184   ClutterActor *video_box;
 185   ClutterLayoutManager *video_layout;
 186
 187   /* Coordinates of the preview drag event's start. */
 188   PreviewPosition preview_pos;
 189
 190   /* We keep a reference on the hbox which contains the main content so we can
 191      easilly repack everything when toggling fullscreen */
 192   GtkWidget *content_hbox;
 193
 194   /* These are used to accept or reject an incoming call when the status
 195      is RINGING. */
 196   GtkWidget *incoming_call_dialog;
 197   TpyCallChannel *pending_channel;
 198   TpChannelDispatchOperation *pending_cdo;
 199   TpAddDispatchOperationContext *pending_context;
 200
 201   gulong video_output_motion_handler_id;
 202   guint bus_message_source_id;
 203
 204   /* String that contains the queued tones to send after the current ones
 205      are sent */
 206   GString *tones;
 207   gboolean sending_tones;
 208   GtkWidget *dtmf_panel;
 209
 210   /* Details vbox */
 211   GtkWidget *details_vbox;
 212   GtkWidget *vcodec_encoding_label;
 213   GtkWidget *acodec_encoding_label;
 214   GtkWidget *vcodec_decoding_label;
 215   GtkWidget *acodec_decoding_label;
 216
 217   GtkWidget *audio_remote_candidate_label;
 218   GtkWidget *audio_local_candidate_label;
 219   GtkWidget *video_remote_candidate_label;
 220   GtkWidget *video_local_candidate_label;
 221   GtkWidget *video_remote_candidate_info_img;
 222   GtkWidget *video_local_candidate_info_img;
 223   GtkWidget *audio_remote_candidate_info_img;
 224   GtkWidget *audio_local_candidate_info_img;
 225
 226   GstElement *video_input;
 227   GstElement *video_preview_sink;
 228   GstElement *video_output_sink;
 229   GstElement *audio_input;
 230   GstElement *audio_output;
 231   gboolean audio_output_added;
 232   GstElement *pipeline;
 233   GstElement *video_tee;
 234
 235   GstElement *funnel;
 236
 237   GList *notifiers;
 238
 239   GTimer *timer;
 240   guint timer_id;
 241
 242   GMutex *lock;
 243   gboolean call_started;
 244   gboolean sending_video;
 245   CameraState camera_state;
 246
 247   EmpathyCallWindowFullscreen *fullscreen;
 248   gboolean is_fullscreen;
 249
 250   gboolean got_video;
 251   guint got_video_src;
 252
 253   guint inactivity_src;
 254
 255   /* Those fields represent the state of the window before it actually was in
 256      fullscreen mode. */
 257   gboolean dialpad_was_visible_before_fs;
 258   gint original_width_before_fs;
 259   gint original_height_before_fs;
 260
 261   gint x, y, w, h, dialpad_width;
 262   gboolean maximized;
 263
 264   /* TRUE if the call should be started when the pipeline is playing */
 265   gboolean start_call_when_playing;
 266   /* TRUE if we requested to set the pipeline in the playing state */
 267   gboolean pipeline_playing;
 268
 269   EmpathySoundManager *sound_mgr;
 270
 271   GSettings *settings;
 272   EmpathyMicMenu *mic_menu;
 273   EmpathyCameraMenu *camera_menu;
 274 };
 275
 276 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 277
 278 static void empathy_call_window_realized_cb (GtkWidget *widget,
 279   EmpathyCallWindow *window);
 280
 281 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 282   GdkEvent *event, EmpathyCallWindow *window);
 283
 284 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 285   GdkEventWindowState *event, EmpathyCallWindow *window);
 286
 287 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 288   CameraState state);
 289
 290 static void empathy_call_window_hangup_cb (gpointer object,
 291   EmpathyCallWindow *window);
 292
 293 static void empathy_call_window_fullscreen_cb (gpointer object,
 294   EmpathyCallWindow *window);
 295
 296 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 297
 298 static gboolean empathy_call_window_video_button_press_cb (
 299   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 300
 301 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 302   GdkEventKey *event, EmpathyCallWindow *window);
 303
 304 static gboolean empathy_call_window_video_output_motion_notify (
 305   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 306
 307 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 308   guint button);
 309
 310 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 311
 312 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 313   EmpathyCallWindow *window);
 314
 315 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 316
 317 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 318   gchar *message);
 319
 320 static gboolean empathy_call_window_bus_message (GstBus *bus,
 321   GstMessage *message, gpointer user_data);
 322
 323 static void
 324 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 325     gboolean show)
 326 {
 327   gtk_widget_set_visible (self->priv->hangup_button, show);
 328   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 329   gtk_widget_set_visible (self->priv->video_call_button, !show);
 330 }
 331
 332 static void
 333 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 334     EmpathyCallWindow *self)
 335 {
 336   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 337   empathy_call_window_restart_call (self);
 338 }
 339
 340 static void
 341 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 342     EmpathyCallWindow *self)
 343 {
 344   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 345   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 346   empathy_call_window_restart_call (self);
 347 }
 348
 349 static void
 350 empathy_call_window_emit_tones (EmpathyCallWindow *self)
 351 {
 352   TpChannel *channel;
 353
 354   if (tp_str_empty (self->priv->tones->str))
 355     return;
 356
 357   g_object_get (self->priv->handler, "call-channel", &channel, NULL);
 358
 359   DEBUG ("Emitting multiple tones: %s", self->priv->tones->str);
 360
 361   tp_cli_channel_interface_dtmf_call_multiple_tones (channel, -1,
 362       self->priv->tones->str,
 363       NULL, NULL, NULL, NULL);
 364
 365   self->priv->sending_tones = TRUE;
 366
 367   g_string_set_size (self->priv->tones, 0);
 368
 369   g_object_unref (channel);
 370 }
 371
 372 static void
 373 empathy_call_window_maybe_emit_tones (EmpathyCallWindow *self)
 374 {
 375   if (self->priv->sending_tones)
 376     return;
 377
 378   empathy_call_window_emit_tones (self);
 379 }
 380
 381 static void
 382 empathy_call_window_tones_stopped_cb (TpChannel *proxy,
 383     gboolean arg_cancelled,
 384     gpointer user_data,
 385     GObject *weak_object)
 386 {
 387   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 388
 389   self->priv->sending_tones = FALSE;
 390
 391   empathy_call_window_emit_tones (self);
 392 }
 393
 394 static void
 395 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 396     TpDTMFEvent event,
 397     EmpathyCallWindow *self)
 398 {
 399   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 400
 401   g_string_append_c (priv->tones, tp_dtmf_event_to_char (event));
 402
 403   empathy_call_window_maybe_emit_tones (self);
 404 }
 405
 406 static void
 407 empathy_call_window_raise_actors (EmpathyCallWindow *self)
 408 {
 409   clutter_actor_raise_top (self->priv->floating_toolbar);
 410
 411   clutter_actor_raise_top (self->priv->preview_rectangle_box1);
 412   clutter_actor_raise_top (self->priv->preview_rectangle_box2);
 413   clutter_actor_raise_top (self->priv->preview_rectangle_box3);
 414   clutter_actor_raise_top (self->priv->preview_rectangle_box4);
 415 }
 416
 417 static void
 418 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 419     gboolean show)
 420 {
 421   if (self->priv->video_output != NULL)
 422     g_object_set (self->priv->video_output, "visible", show, NULL);
 423
 424   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 425
 426   empathy_call_window_raise_actors (self);
 427 }
 428
 429 static void
 430 create_video_output_widget (EmpathyCallWindow *self)
 431 {
 432   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 433
 434   g_assert (priv->video_output == NULL);
 435   g_assert (priv->pipeline != NULL);
 436
 437   priv->video_output = clutter_texture_new ();
 438
 439   clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (priv->video_output),
 440       TRUE);
 441
 442   priv->video_output_sink = clutter_gst_video_sink_new (
 443       CLUTTER_TEXTURE (priv->video_output));
 444
 445   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 446       priv->video_output);
 447
 448   gtk_widget_add_events (priv->video_container,
 449       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 450   g_signal_connect (G_OBJECT (priv->video_container), "button-press-event",
 451       G_CALLBACK (empathy_call_window_video_button_press_cb), self);
 452 }
 453
 454 static void
 455 create_video_input (EmpathyCallWindow *self)
 456 {
 457   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 458
 459   g_assert (priv->video_input == NULL);
 460   priv->video_input = empathy_video_src_new ();
 461   gst_object_ref (priv->video_input);
 462   gst_object_sink (priv->video_input);
 463 }
 464
 465 static gboolean
 466 audio_control_volume_to_element (GBinding *binding,
 467   const GValue *source_value,
 468   GValue *target_value,
 469   gpointer user_data)
 470 {
 471   /* AudioControl volume is 0-255, with -1 for unknown */
 472   gint hv;
 473
 474   hv = g_value_get_int (source_value);
 475   if (hv < 0)
 476     return FALSE;
 477
 478   hv = MIN (hv, 255);
 479   g_value_set_double (target_value, hv/255.0);
 480
 481   return TRUE;
 482 }
 483
 484 static gboolean
 485 element_volume_to_audio_control (GBinding *binding,
 486   const GValue *source_value,
 487   GValue *target_value,
 488   gpointer user_data)
 489 {
 490   gdouble ev;
 491
 492   ev = g_value_get_double (source_value);
 493   ev = CLAMP (ev, 0.0, 1.0);
 494
 495   g_value_set_int (target_value, ev * 255);
 496   return TRUE;
 497 }
 498
 499 static void
 500 create_audio_input (EmpathyCallWindow *self)
 501 {
 502   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 503
 504   g_assert (priv->audio_input == NULL);
 505   priv->audio_input = empathy_audio_src_new ();
 506   gst_object_ref (priv->audio_input);
 507   gst_object_sink (priv->audio_input);
 508
 509   g_object_bind_property (priv->mic_button, "active",
 510     priv->audio_input, "mute",
 511     G_BINDING_BIDIRECTIONAL |
 512       G_BINDING_INVERT_BOOLEAN | G_BINDING_SYNC_CREATE);
 513 }
 514
 515 static void
 516 add_video_preview_to_pipeline (EmpathyCallWindow *self)
 517 {
 518   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 519   GstElement *preview;
 520
 521   g_assert (priv->video_preview != NULL);
 522   g_assert (priv->pipeline != NULL);
 523   g_assert (priv->video_input != NULL);
 524   g_assert (priv->video_tee != NULL);
 525
 526   preview = priv->video_preview_sink;
 527
 528   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 529     {
 530       g_warning ("Could not add video input to pipeline");
 531       return;
 532     }
 533
 534   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 535     {
 536       g_warning ("Could not add video preview to pipeline");
 537       return;
 538     }
 539
 540   if (!gst_element_link (priv->video_input, priv->video_tee))
 541     {
 542       g_warning ("Could not link video input to video tee");
 543       return;
 544     }
 545
 546   if (!gst_element_link (priv->video_tee, preview))
 547     {
 548       g_warning ("Could not link video tee to video preview");
 549       return;
 550     }
 551 }
 552
 553 static void
 554 empathy_call_window_disable_camera_cb (GtkAction *action,
 555     EmpathyCallWindow *self)
 556 {
 557   clutter_actor_destroy (self->priv->preview_hidden_button);
 558
 559   gtk_toggle_tool_button_set_active (
 560       GTK_TOGGLE_TOOL_BUTTON (self->priv->camera_button), FALSE);
 561 }
 562
 563 static void
 564 empathy_call_window_minimise_camera_cb (GtkAction *action,
 565     EmpathyCallWindow *self)
 566 {
 567   clutter_actor_hide (self->priv->video_preview);
 568   clutter_actor_show (self->priv->preview_hidden_button);
 569 }
 570
 571 static void
 572 empathy_call_window_maximise_camera_cb (GtkAction *action,
 573     EmpathyCallWindow *self)
 574 {
 575   clutter_actor_show (self->priv->video_preview);
 576   clutter_actor_hide (self->priv->preview_hidden_button);
 577 }
 578
 579 static void
 580 empathy_call_window_swap_camera_cb (GtkAction *action,
 581     EmpathyCallWindow *self)
 582 {
 583   const GList *cameras, *l;
 584   gchar *current_cam;
 585
 586   DEBUG ("Swapping the camera");
 587
 588   cameras = empathy_camera_monitor_get_cameras (self->priv->camera_monitor);
 589   current_cam = empathy_video_src_dup_device (
 590       EMPATHY_GST_VIDEO_SRC (self->priv->video_input));
 591
 592   for (l = cameras; l != NULL; l = l->next)
 593     {
 594       EmpathyCamera *camera = l->data;
 595
 596       if (!tp_strdiff (camera->device, current_cam))
 597         {
 598           EmpathyCamera *next;
 599
 600           if (l->next != NULL)
 601             next = l->next->data;
 602           else
 603             next = cameras->data;
 604
 605           /* EmpathyCameraMenu will update itself and do the actual change
 606            * for us */
 607           g_settings_set_string (self->priv->settings,
 608               EMPATHY_PREFS_CALL_CAMERA_DEVICE,
 609               next->device);
 610
 611           break;
 612         }
 613     }
 614
 615   g_free (current_cam);
 616 }
 617
 618 static void
 619 empathy_call_window_camera_added_cb (EmpathyCameraMonitor *monitor,
 620     EmpathyCamera *camera,
 621     EmpathyCallWindow *self)
 622 {
 623   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 624
 625   gtk_action_set_visible (self->priv->menu_swap_camera,
 626       g_list_length ((GList *) cameras) >= 2);
 627 }
 628
 629 static void
 630 empathy_call_window_camera_removed_cb (EmpathyCameraMonitor *monitor,
 631     EmpathyCamera *camera,
 632     EmpathyCallWindow *self)
 633 {
 634   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 635
 636   gtk_action_set_visible (self->priv->menu_swap_camera,
 637       g_list_length ((GList *) cameras) >= 2);
 638 }
 639
 640 static void
 641 empathy_call_window_preview_button_clicked_cb (GtkButton *button,
 642     EmpathyCallWindow *self)
 643 {
 644   GtkWidget *menu;
 645
 646   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 647       "/preview-menu");
 648   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 649       0, gtk_get_current_event_time ());
 650   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 651 }
 652
 653 static void
 654 empathy_call_window_preview_hidden_button_clicked_cb (GtkButton *button,
 655     EmpathyCallWindow *self)
 656 {
 657   GtkWidget *menu;
 658
 659   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 660       "/preview-hidden-menu");
 661   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 662       0, gtk_get_current_event_time ());
 663   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 664 }
 665
 666 static ClutterActor *
 667 empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
 668     ClutterActor **box,
 669     ClutterBinAlignment x,
 670     ClutterBinAlignment y)
 671 {
 672   ClutterLayoutManager *layout1, *layout2;
 673   ClutterActor *rectangle;
 674   ClutterActor *box1, *box2;
 675
 676   layout1 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 677       CLUTTER_BIN_ALIGNMENT_START);
 678
 679   box1 = clutter_box_new (layout1);
 680
 681   *box = box1;
 682
 683   rectangle = empathy_rounded_rectangle_new (
 684       SELF_VIDEO_SECTION_WIDTH + 5,
 685       SELF_VIDEO_SECTION_HEIGHT + 5);
 686
 687   clutter_actor_set_size (box1,
 688       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 689       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
 690       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
 691
 692   layout2 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 693       CLUTTER_BIN_ALIGNMENT_CENTER);
 694
 695   /* We have a box with the margins and the video in the middle inside
 696    * a bigger box with an extra bottom margin so we're not on top of
 697    * the floating toolbar. */
 698   box2 = clutter_box_new (layout2);
 699
 700   clutter_actor_set_size (box2,
 701       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 702       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
 703
 704   clutter_container_add_actor (CLUTTER_CONTAINER (box1), box2);
 705   clutter_container_add_actor (CLUTTER_CONTAINER (box2), rectangle);
 706
 707   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->video_layout),
 708       box1, x, y);
 709
 710   clutter_actor_hide (rectangle);
 711
 712   return rectangle;
 713 }
 714
 715 static void
 716 empathy_call_window_create_preview_rectangles (EmpathyCallWindow *self)
 717 {
 718   self->priv->preview_rectangle1 =
 719       empathy_call_window_create_preview_rectangle (self,
 720           &self->priv->preview_rectangle_box1,
 721           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_START);
 722   self->priv->preview_rectangle2 =
 723       empathy_call_window_create_preview_rectangle (self,
 724           &self->priv->preview_rectangle_box2,
 725           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_END);
 726   self->priv->preview_rectangle3 =
 727       empathy_call_window_create_preview_rectangle (self,
 728           &self->priv->preview_rectangle_box3,
 729           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_START);
 730   self->priv->preview_rectangle4 =
 731       empathy_call_window_create_preview_rectangle (self,
 732           &self->priv->preview_rectangle_box4,
 733           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
 734 }
 735
 736 static void
 737 empathy_call_window_show_preview_rectangles (EmpathyCallWindow *self,
 738     gboolean show)
 739 {
 740   g_object_set (self->priv->preview_rectangle1, "visible", show, NULL);
 741   g_object_set (self->priv->preview_rectangle2, "visible", show, NULL);
 742   g_object_set (self->priv->preview_rectangle3, "visible", show, NULL);
 743   g_object_set (self->priv->preview_rectangle4, "visible", show, NULL);
 744 }
 745
 746 static void
 747 empathy_call_window_get_preview_coordinates (EmpathyCallWindow *self,
 748     PreviewPosition pos,
 749     guint *x,
 750     guint *y)
 751 {
 752   guint ret_x = 0, ret_y = 0;
 753   ClutterGeometry box;
 754
 755   if (!clutter_actor_has_allocation (self->priv->video_box))
 756     goto out;
 757
 758   clutter_actor_get_geometry (self->priv->video_box, &box);
 759
 760   switch (pos)
 761     {
 762       case PREVIEW_POS_TOP_LEFT:
 763         ret_x = ret_y = SELF_VIDEO_SECTION_MARGIN;
 764         break;
 765       case PREVIEW_POS_TOP_RIGHT:
 766         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 767             - SELF_VIDEO_SECTION_WIDTH;
 768         ret_y = SELF_VIDEO_SECTION_MARGIN;
 769         break;
 770       case PREVIEW_POS_BOTTOM_LEFT:
 771         ret_x = SELF_VIDEO_SECTION_MARGIN;
 772         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 773             - SELF_VIDEO_SECTION_HEIGHT
 774             - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING;
 775         break;
 776       case PREVIEW_POS_BOTTOM_RIGHT:
 777         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 778             - SELF_VIDEO_SECTION_WIDTH;
 779         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 780             - SELF_VIDEO_SECTION_HEIGHT - FLOATING_TOOLBAR_HEIGHT
 781             - FLOATING_TOOLBAR_SPACING;
 782         break;
 783       default:
 784         g_warn_if_reached ();
 785     }
 786
 787 out:
 788   if (x != NULL)
 789     *x = ret_x;
 790
 791   if (y != NULL)
 792     *y = ret_y;
 793 }
 794
 795 static PreviewPosition
 796 empathy_call_window_get_preview_position (EmpathyCallWindow *self,
 797     gfloat event_x,
 798     gfloat event_y)
 799 {
 800   ClutterGeometry box;
 801   PreviewPosition pos = PREVIEW_POS_NONE;
 802
 803   if (!clutter_actor_has_allocation (self->priv->video_box))
 804     return pos;
 805
 806   clutter_actor_get_geometry (self->priv->video_box, &box);
 807
 808   if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 809       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 810       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 811       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 812     {
 813       pos = PREVIEW_POS_TOP_LEFT;
 814     }
 815   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 816       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 817       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 818       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 819     {
 820       pos = PREVIEW_POS_TOP_RIGHT;
 821     }
 822   else if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 823       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 824       box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 825       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 826     {
 827       pos = PREVIEW_POS_BOTTOM_LEFT;
 828     }
 829   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 830       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 831       box.height - SELF_VIDEO_SECTION_MARGIN - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 832       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 833     {
 834       pos = PREVIEW_POS_BOTTOM_RIGHT;
 835     }
 836
 837   return pos;
 838 }
 839
 840 static ClutterActor *
 841 empathy_call_window_get_preview_rectangle (EmpathyCallWindow *self,
 842     PreviewPosition pos)
 843 {
 844   ClutterActor *rectangle;
 845
 846   switch (pos)
 847     {
 848       case PREVIEW_POS_TOP_LEFT:
 849         rectangle = self->priv->preview_rectangle1;
 850         break;
 851       case PREVIEW_POS_TOP_RIGHT:
 852         rectangle = self->priv->preview_rectangle3;
 853         break;
 854       case PREVIEW_POS_BOTTOM_LEFT:
 855         rectangle = self->priv->preview_rectangle2;
 856         break;
 857       case PREVIEW_POS_BOTTOM_RIGHT:
 858         rectangle = self->priv->preview_rectangle4;
 859         break;
 860       default:
 861         rectangle = NULL;
 862     }
 863
 864   return rectangle;
 865 }
 866
 867 static void
 868 empathy_call_window_move_video_preview (EmpathyCallWindow *self,
 869     PreviewPosition pos)
 870 {
 871   ClutterBinLayout *layout = CLUTTER_BIN_LAYOUT (self->priv->video_layout);
 872
 873   DEBUG ("moving the video preview to %d", pos);
 874
 875   self->priv->preview_pos = pos;
 876
 877   switch (pos)
 878     {
 879       case PREVIEW_POS_TOP_LEFT:
 880         clutter_bin_layout_set_alignment (layout,
 881             self->priv->video_preview,
 882             CLUTTER_BIN_ALIGNMENT_START,
 883             CLUTTER_BIN_ALIGNMENT_START);
 884         break;
 885       case PREVIEW_POS_TOP_RIGHT:
 886         clutter_bin_layout_set_alignment (layout,
 887             self->priv->video_preview,
 888             CLUTTER_BIN_ALIGNMENT_END,
 889             CLUTTER_BIN_ALIGNMENT_START);
 890         break;
 891       case PREVIEW_POS_BOTTOM_LEFT:
 892         clutter_bin_layout_set_alignment (layout,
 893             self->priv->video_preview,
 894             CLUTTER_BIN_ALIGNMENT_START,
 895             CLUTTER_BIN_ALIGNMENT_END);
 896         break;
 897       case PREVIEW_POS_BOTTOM_RIGHT:
 898         clutter_bin_layout_set_alignment (layout,
 899             self->priv->video_preview,
 900             CLUTTER_BIN_ALIGNMENT_END,
 901             CLUTTER_BIN_ALIGNMENT_END);
 902         break;
 903       default:
 904         g_warn_if_reached ();
 905     }
 906
 907   g_settings_set_enum (self->priv->settings, "camera-position", pos);
 908 }
 909
 910 static void
 911 empathy_call_window_highlight_preview_rectangle (EmpathyCallWindow *self,
 912     PreviewPosition pos)
 913 {
 914   ClutterActor *rectangle;
 915
 916   rectangle = empathy_call_window_get_preview_rectangle (self, pos);
 917
 918   empathy_rounded_rectangle_set_border_width (
 919       EMPATHY_ROUNDED_RECTANGLE (rectangle), 5);
 920   empathy_rounded_rectangle_set_border_color (
 921       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Red);
 922 }
 923
 924 static void
 925 empathy_call_window_darken_preview_rectangle (EmpathyCallWindow *self,
 926     ClutterActor *rectangle)
 927 {
 928   empathy_rounded_rectangle_set_border_width (
 929       EMPATHY_ROUNDED_RECTANGLE (rectangle), 1);
 930   empathy_rounded_rectangle_set_border_color (
 931       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Black);
 932 }
 933
 934 static void
 935 empathy_call_window_darken_preview_rectangles (EmpathyCallWindow *self)
 936 {
 937   ClutterActor *rectangle;
 938
 939   rectangle = empathy_call_window_get_preview_rectangle (self,
 940       self->priv->preview_pos);
 941
 942   /* We don't want to darken the rectangle where the preview
 943    * currently is. */
 944
 945   if (self->priv->preview_rectangle1 != rectangle)
 946     empathy_call_window_darken_preview_rectangle (self,
 947         self->priv->preview_rectangle1);
 948
 949   if (self->priv->preview_rectangle2 != rectangle)
 950     empathy_call_window_darken_preview_rectangle (self,
 951         self->priv->preview_rectangle2);
 952
 953   if (self->priv->preview_rectangle3 != rectangle)
 954     empathy_call_window_darken_preview_rectangle (self,
 955         self->priv->preview_rectangle3);
 956
 957   if (self->priv->preview_rectangle4 != rectangle)
 958     empathy_call_window_darken_preview_rectangle (self,
 959         self->priv->preview_rectangle4);
 960 }
 961
 962 static void
 963 empathy_call_window_preview_on_drag_begin_cb (ClutterDragAction *action,
 964     ClutterActor *actor,
 965     gfloat event_x,
 966     gfloat event_y,
 967     ClutterModifierType modifiers,
 968     EmpathyCallWindow *self)
 969 {
 970   ClutterActor *stage = clutter_actor_get_stage (actor);
 971   gfloat rel_x, rel_y;
 972
 973   self->priv->drag_preview = clutter_clone_new (actor);
 974
 975   clutter_container_add_actor (CLUTTER_CONTAINER (stage),
 976       self->priv->drag_preview);
 977
 978   clutter_actor_transform_stage_point (actor, event_x, event_y,
 979       &rel_x, &rel_y);
 980
 981   clutter_actor_set_position (self->priv->drag_preview,
 982       event_x - rel_x, event_y - rel_y);
 983
 984   clutter_drag_action_set_drag_handle (action,
 985       self->priv->drag_preview);
 986
 987   clutter_actor_set_opacity (actor, 0);
 988   clutter_actor_hide (self->priv->preview_shown_button);
 989
 990   empathy_call_window_show_preview_rectangles (self, TRUE);
 991   empathy_call_window_darken_preview_rectangles (self);
 992 }
 993
 994 static void
 995 empathy_call_window_on_animation_completed_cb (ClutterAnimation *animation,
 996     ClutterActor *actor)
 997 {
 998   clutter_actor_set_opacity (actor, 255);
 999 }
1000
1001 static void
1002 empathy_call_window_preview_on_drag_end_cb (ClutterDragAction *action,
1003     ClutterActor *actor,
1004     gfloat event_x,
1005     gfloat event_y,
1006     ClutterModifierType modifiers,
1007     EmpathyCallWindow *self)
1008 {
1009   PreviewPosition pos;
1010   guint x, y;
1011
1012   /* Get the position before destroying the drag actor, otherwise the
1013    * preview_box allocation won't be valid and we won't be able to
1014    * calculate the position. */
1015   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1016
1017   empathy_call_window_get_preview_coordinates (self,
1018       pos != PREVIEW_POS_NONE ? pos : self->priv->preview_pos,
1019       &x, &y);
1020
1021   /* Move the preview to the destination and destroy it afterwards */
1022   clutter_actor_animate (self->priv->drag_preview, CLUTTER_LINEAR, 500,
1023       "x", (gfloat) x,
1024       "y", (gfloat) y,
1025       "signal-swapped-after::completed",
1026         clutter_actor_destroy, self->priv->drag_preview,
1027       "signal-swapped-after::completed",
1028         clutter_actor_show, self->priv->preview_shown_button,
1029       "signal::completed",
1030         empathy_call_window_on_animation_completed_cb, actor,
1031       NULL);
1032
1033   self->priv->drag_preview = NULL;
1034
1035   if (pos != PREVIEW_POS_NONE)
1036     empathy_call_window_move_video_preview (self, pos);
1037
1038   empathy_call_window_show_preview_rectangles (self, FALSE);
1039 }
1040
1041 static void
1042 empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
1043     ClutterActor *actor,
1044     gfloat delta_x,
1045     gfloat delta_y,
1046     EmpathyCallWindow *self)
1047 {
1048   PreviewPosition pos;
1049   gfloat event_x, event_y;
1050
1051   clutter_drag_action_get_motion_coords (action, &event_x, &event_y);
1052
1053   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1054
1055   if (pos != PREVIEW_POS_NONE)
1056     empathy_call_window_highlight_preview_rectangle (self, pos);
1057   else
1058     empathy_call_window_darken_preview_rectangles (self);
1059 }
1060
1061 static gboolean
1062 empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
1063     ClutterCrossingEvent *event,
1064     EmpathyCallWindow *self)
1065 {
1066   ClutterActor *rectangle;
1067
1068   rectangle = empathy_call_window_get_preview_rectangle (self,
1069       self->priv->preview_pos);
1070
1071   empathy_call_window_highlight_preview_rectangle (self,
1072       self->priv->preview_pos);
1073
1074   clutter_actor_show (rectangle);
1075
1076   return FALSE;
1077 }
1078
1079 static gboolean
1080 empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
1081     ClutterCrossingEvent *event,
1082     EmpathyCallWindow *self)
1083 {
1084   ClutterActor *rectangle;
1085
1086   rectangle = empathy_call_window_get_preview_rectangle (self,
1087       self->priv->preview_pos);
1088
1089   empathy_call_window_darken_preview_rectangle (self, rectangle);
1090
1091   clutter_actor_hide (rectangle);
1092
1093   return FALSE;
1094 }
1095
1096 static void
1097 create_video_preview (EmpathyCallWindow *self)
1098 {
1099   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1100   ClutterLayoutManager *layout, *layout_center, *layout_end;
1101   ClutterActor *preview;
1102   ClutterActor *box;
1103   ClutterActor *b;
1104   ClutterAction *action;
1105   GtkWidget *button;
1106   PreviewPosition pos;
1107   GdkRGBA transparent = { 0., 0., 0., 0. };
1108
1109   g_assert (priv->video_preview == NULL);
1110
1111   pos = g_settings_get_enum (priv->settings, "camera-position");
1112
1113   preview = empathy_rounded_texture_new ();
1114   clutter_actor_set_size (preview,
1115       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1116   priv->video_preview_sink = clutter_gst_video_sink_new (
1117       CLUTTER_TEXTURE (preview));
1118
1119   /* Add a little offset to the video preview */
1120   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1121       CLUTTER_BIN_ALIGNMENT_START);
1122   priv->video_preview = clutter_box_new (layout);
1123   clutter_actor_set_size (priv->video_preview,
1124       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1125       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
1126       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
1127
1128   /* Spinner for when changing the camera device */
1129   priv->preview_spinner_widget = gtk_spinner_new ();
1130   priv->preview_spinner_actor = empathy_rounded_actor_new ();
1131   empathy_rounded_actor_set_round_factor (
1132       EMPATHY_ROUNDED_ACTOR (priv->preview_spinner_actor), 16);
1133
1134   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1135   gtk_widget_override_background_color (
1136       gtk_clutter_actor_get_widget (
1137           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor)),
1138       GTK_STATE_FLAG_NORMAL, &transparent);
1139   gtk_widget_show (priv->preview_spinner_widget);
1140
1141   gtk_container_add (
1142       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1143           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1144       priv->preview_spinner_widget);
1145   clutter_actor_set_size (priv->preview_spinner_actor,
1146       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1147   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1148   clutter_actor_hide (priv->preview_spinner_actor);
1149
1150   /* We have a box with the margins and the video in the middle inside
1151    * a bigger box with an extra bottom margin so we're not on top of
1152    * the floating toolbar. */
1153   layout_center = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1154       CLUTTER_BIN_ALIGNMENT_CENTER);
1155   box = clutter_box_new (layout_center);
1156   clutter_actor_set_size (box,
1157       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1158       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1159
1160   clutter_container_add_actor (CLUTTER_CONTAINER (box), preview);
1161   clutter_container_add_actor (CLUTTER_CONTAINER (box),
1162       priv->preview_spinner_actor);
1163   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1164
1165   g_object_set (priv->video_preview_sink,
1166       "sync", FALSE,
1167       "async", FALSE,
1168       NULL);
1169
1170   /* Translators: this is an "Info" label. It should be as short
1171    * as possible. */
1172   button = gtk_button_new_with_label (_("i"));
1173   priv->preview_shown_button = b = empathy_rounded_actor_new ();
1174   gtk_container_add (
1175       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1176       button);
1177   clutter_actor_set_size (b, 24, 24);
1178
1179   layout_end = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_END,
1180       CLUTTER_BIN_ALIGNMENT_END);
1181   box = clutter_box_new (layout_end);
1182   clutter_actor_set_size (box,
1183       SELF_VIDEO_SECTION_WIDTH,
1184       SELF_VIDEO_SECTION_HEIGHT + SELF_VIDEO_SECTION_MARGIN);
1185
1186   clutter_container_add_actor (CLUTTER_CONTAINER (box), b);
1187   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1188
1189   g_signal_connect (button, "clicked",
1190       G_CALLBACK (empathy_call_window_preview_button_clicked_cb),
1191       self);
1192
1193   /* Translators: this is an "Info" label. It should be as short
1194    * as possible. */
1195   button = gtk_button_new_with_label (_("i"));
1196   b = empathy_rounded_actor_new ();
1197   gtk_container_add (
1198       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1199       button);
1200   clutter_actor_set_size (b, 24, 24);
1201   priv->preview_hidden_button = b;
1202
1203   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1204       priv->preview_hidden_button,
1205       CLUTTER_BIN_ALIGNMENT_START,
1206       CLUTTER_BIN_ALIGNMENT_END);
1207
1208   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1209
1210   clutter_actor_hide (priv->preview_hidden_button);
1211
1212   g_signal_connect (button, "clicked",
1213       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb),
1214       self);
1215
1216   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1217       priv->video_preview,
1218       CLUTTER_BIN_ALIGNMENT_START,
1219       CLUTTER_BIN_ALIGNMENT_END);
1220
1221   empathy_call_window_move_video_preview (self, pos);
1222
1223   action = clutter_drag_action_new ();
1224   g_signal_connect (action, "drag-begin",
1225       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1226   g_signal_connect (action, "drag-end",
1227       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1228   g_signal_connect (action, "drag-motion",
1229       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1230
1231   g_signal_connect (preview, "enter-event",
1232       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1233   g_signal_connect (preview, "leave-event",
1234       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1235
1236   clutter_actor_add_action (preview, action);
1237   clutter_actor_set_reactive (preview, TRUE);
1238   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1239 }
1240
1241 static void
1242 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1243 {
1244   clutter_actor_show (self->priv->preview_spinner_actor);
1245   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1246 }
1247
1248 static void
1249 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1250 {
1251   clutter_actor_hide (self->priv->preview_spinner_actor);
1252   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1253 }
1254
1255 void
1256 empathy_call_window_play_camera (EmpathyCallWindow *self,
1257     gboolean play)
1258 {
1259   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1260   GstElement *preview;
1261   GstState state;
1262
1263   if (priv->video_preview == NULL)
1264     {
1265       create_video_preview (self);
1266       add_video_preview_to_pipeline (self);
1267     }
1268
1269   if (play)
1270     {
1271       state = GST_STATE_PLAYING;
1272     }
1273   else
1274     {
1275       empathy_call_window_start_camera_spinning (self);
1276       state = GST_STATE_NULL;
1277     }
1278
1279   preview = priv->video_preview_sink;
1280
1281   gst_element_set_state (preview, state);
1282   gst_element_set_state (priv->video_tee, state);
1283   gst_element_set_state (priv->video_input, state);
1284 }
1285
1286 static void
1287 display_video_preview (EmpathyCallWindow *self,
1288     gboolean display)
1289 {
1290   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1291
1292   if (priv->video_preview == NULL)
1293     {
1294       create_video_preview (self);
1295       add_video_preview_to_pipeline (self);
1296     }
1297
1298   if (display)
1299     {
1300       /* Display the video preview */
1301       DEBUG ("Show video preview");
1302
1303       empathy_call_window_play_camera (self, TRUE);
1304       clutter_actor_show (priv->video_preview);
1305       clutter_actor_raise_top (priv->floating_toolbar);
1306     }
1307   else
1308     {
1309       /* Hide the video preview */
1310       DEBUG ("Hide video preview");
1311
1312       if (priv->video_preview != NULL)
1313         {
1314           clutter_actor_hide (priv->video_preview);
1315           empathy_call_window_play_camera (self, FALSE);
1316         }
1317     }
1318 }
1319
1320 static void
1321 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1322 {
1323   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1324
1325   empathy_call_window_status_message (window, _("Connecting…"));
1326   priv->call_state = CONNECTING;
1327
1328   /* Show the toolbar */
1329   clutter_state_set_state (priv->transitions, "fade-in");
1330
1331   if (priv->outgoing)
1332     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1333         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1334 }
1335
1336 static void
1337 disable_camera (EmpathyCallWindow *self)
1338 {
1339   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1340
1341   if (priv->camera_state == CAMERA_STATE_OFF)
1342     return;
1343
1344   DEBUG ("Disable camera");
1345
1346   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1347
1348   priv->camera_state = CAMERA_STATE_OFF;
1349 }
1350
1351 static void
1352 enable_camera (EmpathyCallWindow *self)
1353 {
1354   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1355
1356   if (priv->camera_state == CAMERA_STATE_ON)
1357     return;
1358
1359   if (priv->video_input == NULL)
1360     {
1361       DEBUG ("Can't enable camera, no input");
1362       return;
1363     }
1364
1365   DEBUG ("Enable camera");
1366
1367   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1368
1369   priv->camera_state = CAMERA_STATE_ON;
1370 }
1371
1372 static void
1373 empathy_call_window_camera_toggled_cb (GtkToggleToolButton *toggle,
1374   EmpathyCallWindow *self)
1375 {
1376   if (gtk_toggle_tool_button_get_active (toggle))
1377     enable_camera (self);
1378   else
1379     disable_camera (self);
1380 }
1381
1382 static void
1383 create_pipeline (EmpathyCallWindow *self)
1384 {
1385   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1386   GstBus *bus;
1387
1388   g_assert (priv->pipeline == NULL);
1389
1390   priv->pipeline = gst_pipeline_new (NULL);
1391   priv->pipeline_playing = FALSE;
1392
1393   priv->video_tee = gst_element_factory_make ("tee", NULL);
1394   gst_object_ref (priv->video_tee);
1395   gst_object_sink (priv->video_tee);
1396
1397   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1398
1399   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1400   priv->bus_message_source_id = gst_bus_add_watch (bus,
1401       empathy_call_window_bus_message, self);
1402
1403   g_object_unref (bus);
1404 }
1405
1406 static void
1407 empathy_call_window_settings_cb (GtkAction *action,
1408     EmpathyCallWindow *self)
1409 {
1410   gchar *args = g_strdup_printf ("-p %s",
1411       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1412
1413   empathy_launch_program (BIN_DIR, "empathy", args);
1414
1415   g_free (args);
1416 }
1417
1418 static void
1419 empathy_call_window_contents_cb (GtkAction *action,
1420     EmpathyCallWindow *self)
1421 {
1422   empathy_url_show (GTK_WIDGET (self), "ghelp:empathy?audio-video");
1423 }
1424
1425 static void
1426 empathy_call_window_debug_cb (GtkAction *action,
1427     EmpathyCallWindow *self)
1428 {
1429   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1430 }
1431
1432 static void
1433 empathy_call_window_about_cb (GtkAction *action,
1434     EmpathyCallWindow *self)
1435 {
1436   empathy_about_dialog_new (GTK_WINDOW (self));
1437 }
1438
1439 static gboolean
1440 empathy_call_window_toolbar_timeout (gpointer data)
1441 {
1442   EmpathyCallWindow *self = data;
1443
1444   /* We don't want to hide the toolbar if we're not in a call, as
1445    * to show the call status all the time. */
1446   if (self->priv->call_state != CONNECTING &&
1447       self->priv->call_state != DISCONNECTED)
1448     clutter_state_set_state (self->priv->transitions, "fade-out");
1449
1450   return TRUE;
1451 }
1452
1453 static gboolean
1454 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1455     GdkEvent *event,
1456     EmpathyCallWindow *self)
1457 {
1458   clutter_state_set_state (self->priv->transitions, "fade-in");
1459
1460   if (self->priv->inactivity_src > 0)
1461     g_source_remove (self->priv->inactivity_src);
1462
1463   self->priv->inactivity_src = g_timeout_add_seconds (3,
1464       empathy_call_window_toolbar_timeout, self);
1465
1466   return FALSE;
1467 }
1468
1469 static gboolean
1470 empathy_call_window_configure_event_cb (GtkWidget *widget,
1471     GdkEvent  *event,
1472     EmpathyCallWindow *self)
1473 {
1474   GdkWindow *gdk_window;
1475   GdkWindowState window_state;
1476
1477   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1478   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1479
1480   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1481       &self->priv->dialpad_width, NULL);
1482
1483   gdk_window = gtk_widget_get_window (widget);
1484   window_state = gdk_window_get_state (gdk_window);
1485   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1486
1487   return FALSE;
1488 }
1489
1490 static void
1491 empathy_call_window_destroyed_cb (GtkWidget *object,
1492     EmpathyCallWindow *self)
1493 {
1494   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1495     {
1496       /* Save the geometry as if the dialpad was hidden. */
1497       empathy_geometry_save_values (GTK_WINDOW (self),
1498           self->priv->x, self->priv->y,
1499           self->priv->w - self->priv->dialpad_width, self->priv->h,
1500           self->priv->maximized);
1501     }
1502 }
1503
1504 static void
1505 empathy_call_window_stage_allocation_changed_cb (ClutterActor *stage,
1506     GParamSpec *pspec,
1507     ClutterBindConstraint *constraint)
1508 {
1509   ClutterActorBox allocation;
1510
1511   clutter_actor_get_allocation_box (stage, &allocation);
1512
1513   clutter_bind_constraint_set_offset (constraint,
1514       allocation.y2 - allocation.y1 -
1515       FLOATING_TOOLBAR_SPACING - FLOATING_TOOLBAR_HEIGHT);
1516 }
1517
1518 static void
1519 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1520     gint response_id,
1521     EmpathyCallWindow *self)
1522 {
1523   switch (response_id)
1524     {
1525       case GTK_RESPONSE_ACCEPT:
1526         tp_channel_dispatch_operation_handle_with_async (
1527             self->priv->pending_cdo, EMPATHY_CALL_BUS_NAME, NULL, NULL);
1528
1529         tp_clear_object (&self->priv->pending_cdo);
1530         tp_clear_object (&self->priv->pending_channel);
1531         tp_clear_object (&self->priv->pending_context);
1532
1533         break;
1534       case GTK_RESPONSE_CANCEL:
1535         tp_channel_dispatch_operation_close_channels_async (
1536             self->priv->pending_cdo, NULL, NULL);
1537
1538         empathy_call_window_status_message (self, _("Disconnected"));
1539         self->priv->call_state = DISCONNECTED;
1540         break;
1541       default:
1542         g_warn_if_reached ();
1543     }
1544 }
1545
1546 static void
1547 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1548 {
1549   gboolean video;
1550
1551   g_assert (self->priv->call_state != CONNECTED);
1552
1553   video = tpy_call_channel_has_initial_video (self->priv->pending_channel);
1554
1555   empathy_call_window_status_message (self, _("Incoming call"));
1556   self->priv->call_state = RINGING;
1557
1558   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1559       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1560       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1561       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1562       empathy_contact_get_alias (self->priv->contact));
1563
1564   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1565       _("Reject"), GTK_RESPONSE_CANCEL,
1566       _("Answer"), GTK_RESPONSE_ACCEPT,
1567       NULL);
1568
1569   g_signal_connect (self->priv->incoming_call_dialog, "response",
1570       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1571   gtk_widget_show (self->priv->incoming_call_dialog);
1572 }
1573
1574 static void
1575 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1576     guint domain,
1577     gint code,
1578     gchar *message,
1579     EmpathyCallWindow *self)
1580 {
1581   tp_clear_object (&self->priv->pending_cdo);
1582   tp_clear_object (&self->priv->pending_channel);
1583   tp_clear_object (&self->priv->pending_context);
1584
1585   /* We don't know if the incoming call has been accepted or not, so we
1586    * assume it hasn't and if it has, we'll set the proper status when
1587    * we get the new handler. */
1588   empathy_call_window_status_message (self, _("Disconnected"));
1589   self->priv->call_state = DISCONNECTED;
1590
1591   gtk_widget_destroy (self->priv->incoming_call_dialog);
1592   self->priv->incoming_call_dialog = NULL;
1593 }
1594
1595 void
1596 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1597     TpyCallChannel *channel,
1598     TpChannelDispatchOperation *dispatch_operation,
1599     TpAddDispatchOperationContext *context)
1600 {
1601   g_assert (self->priv->pending_channel == NULL);
1602   g_assert (self->priv->pending_context == NULL);
1603   g_assert (self->priv->pending_cdo == NULL);
1604
1605   /* Start ringing and delay until the user answers or hangs. */
1606   self->priv->pending_channel = g_object_ref (channel);
1607   self->priv->pending_context = g_object_ref (context);
1608   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1609
1610   g_signal_connect (self->priv->pending_cdo, "invalidated",
1611       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1612
1613   empathy_call_window_set_state_ringing (self);
1614   tp_add_dispatch_operation_context_accept (context);
1615 }
1616
1617 static void
1618 empathy_call_window_init (EmpathyCallWindow *self)
1619 {
1620   EmpathyCallWindowPriv *priv;
1621   GtkBuilder *gui;
1622   GtkWidget *top_vbox;
1623   gchar *filename;
1624   ClutterConstraint *constraint;
1625   ClutterActor *remote_avatar;
1626   GtkStyleContext *context;
1627   GdkRGBA rgba;
1628   ClutterColor bg;
1629
1630   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1631     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1632
1633   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1634
1635   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1636   gui = empathy_builder_get_file (filename,
1637     "call_window_vbox", &top_vbox,
1638     "errors_vbox", &priv->errors_vbox,
1639     "pane", &priv->pane,
1640     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1641     "remote_user_avatar_toolbar", &priv->remote_user_avatar_toolbar,
1642     "status_label", &priv->status_label,
1643     "audiocall", &priv->audio_call_button,
1644     "videocall", &priv->video_call_button,
1645     "microphone", &priv->mic_button,
1646     "volume", &priv->volume_button,
1647     "camera", &priv->camera_button,
1648     "hangup", &priv->hangup_button,
1649     "dialpad", &priv->dialpad_button,
1650     "toolbar", &priv->toolbar,
1651     "bottom_toolbar", &priv->bottom_toolbar,
1652     "ui_manager", &priv->ui_manager,
1653     "menufullscreen", &priv->menu_fullscreen,
1654     "menupreviewswap", &priv->menu_swap_camera,
1655     "details_vbox",  &priv->details_vbox,
1656     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1657     "acodec_encoding_label", &priv->acodec_encoding_label,
1658     "acodec_decoding_label", &priv->acodec_decoding_label,
1659     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1660     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1661     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1662     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1663     "video_local_candidate_label", &priv->video_local_candidate_label,
1664     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1665     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1666     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1667     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1668     NULL);
1669   g_free (filename);
1670
1671   empathy_builder_connect (gui, self,
1672     "hangup", "clicked", empathy_call_window_hangup_cb,
1673     "audiocall", "clicked", empathy_call_window_audio_call_cb,
1674     "videocall", "clicked", empathy_call_window_video_call_cb,
1675     "camera", "toggled", empathy_call_window_camera_toggled_cb,
1676     "dialpad", "toggled", empathy_call_window_dialpad_cb,
1677     "menufullscreen", "activate", empathy_call_window_fullscreen_cb,
1678     "menusettings", "activate", empathy_call_window_settings_cb,
1679     "menucontents", "activate", empathy_call_window_contents_cb,
1680     "menudebug", "activate", empathy_call_window_debug_cb,
1681     "menuabout", "activate", empathy_call_window_about_cb,
1682     "menupreviewdisable", "activate", empathy_call_window_disable_camera_cb,
1683     "menupreviewminimise", "activate", empathy_call_window_minimise_camera_cb,
1684     "menupreviewmaximise", "activate", empathy_call_window_maximise_camera_cb,
1685     "menupreviewswap", "activate", empathy_call_window_swap_camera_cb,
1686     NULL);
1687
1688   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1689
1690   priv->camera_monitor = empathy_camera_monitor_dup_singleton ();
1691
1692   g_object_bind_property (priv->camera_monitor, "available",
1693       priv->camera_button, "sensitive",
1694       G_BINDING_SYNC_CREATE);
1695
1696   g_signal_connect (priv->camera_monitor, "added",
1697       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1698   g_signal_connect (priv->camera_monitor, "removed",
1699       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1700
1701   priv->lock = g_mutex_new ();
1702
1703   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1704
1705   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1706       CONTENT_HBOX_SPACING);
1707   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
1708                                   CONTENT_HBOX_BORDER_WIDTH);
1709   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1710       TRUE, TRUE, 0);
1711
1712   /* avatar/video box */
1713   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1714       CLUTTER_BIN_ALIGNMENT_CENTER);
1715
1716   priv->video_box = clutter_box_new (priv->video_layout);
1717
1718   priv->video_container = gtk_clutter_embed_new ();
1719
1720   gtk_widget_set_size_request (priv->video_container,
1721       EMPATHY_VIDEO_WIDGET_DEFAULT_WIDTH, EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT);
1722
1723   /* Set the background color to that of the rest of the window */
1724   context = gtk_widget_get_style_context (priv->content_hbox);
1725   gtk_style_context_get_background_color (context,
1726       GTK_STATE_FLAG_NORMAL, &rgba);
1727   bg.red = CLAMP (rgba.red * 255.0, 0, 255);
1728   bg.green = CLAMP (rgba.green * 255.0, 0, 255);
1729   bg.blue = CLAMP (rgba.blue * 255.0, 0, 255);
1730   bg.alpha = CLAMP (rgba.alpha * 255.0, 0, 255);
1731   clutter_stage_set_color (
1732       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1733           GTK_CLUTTER_EMBED (priv->video_container))),
1734       &bg);
1735
1736   clutter_container_add (
1737       CLUTTER_CONTAINER (gtk_clutter_embed_get_stage (
1738           GTK_CLUTTER_EMBED (priv->video_container))),
1739       priv->video_box,
1740       NULL);
1741
1742   constraint = clutter_bind_constraint_new (
1743       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1744       CLUTTER_BIND_SIZE, 0);
1745   clutter_actor_add_constraint (priv->video_box, constraint);
1746
1747   priv->remote_user_avatar_widget = gtk_image_new ();
1748   remote_avatar = gtk_clutter_actor_new_with_contents (
1749       priv->remote_user_avatar_widget);
1750
1751   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1752       remote_avatar);
1753
1754   empathy_call_window_create_preview_rectangles (self);
1755
1756   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1757       priv->video_container, TRUE, TRUE,
1758       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1759
1760   create_pipeline (self);
1761   create_video_output_widget (self);
1762   create_audio_input (self);
1763   create_video_input (self);
1764
1765   priv->floating_toolbar = empathy_rounded_actor_new ();
1766
1767   gtk_widget_reparent (priv->bottom_toolbar,
1768       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1769
1770   constraint = clutter_bind_constraint_new (
1771       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1772       CLUTTER_BIND_Y, 0);
1773
1774   clutter_actor_add_constraint (priv->floating_toolbar, constraint);
1775
1776   g_signal_connect (
1777       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1778       "notify::allocation",
1779       G_CALLBACK (empathy_call_window_stage_allocation_changed_cb),
1780       constraint);
1781
1782   clutter_actor_set_size (priv->floating_toolbar,
1783       FLOATING_TOOLBAR_WIDTH, FLOATING_TOOLBAR_HEIGHT);
1784   clutter_actor_set_opacity (priv->floating_toolbar, FLOATING_TOOLBAR_OPACITY);
1785
1786   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1787       priv->floating_toolbar,
1788       CLUTTER_BIN_ALIGNMENT_CENTER,
1789       CLUTTER_BIN_ALIGNMENT_END);
1790
1791   clutter_actor_raise_top (priv->floating_toolbar);
1792
1793   /* Transitions for the floating toolbar */
1794   priv->transitions = clutter_state_new ();
1795
1796   /* all transitions last for 2s */
1797   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1798
1799   /* transition from any state to "fade-out" state */
1800   clutter_state_set (priv->transitions, NULL, "fade-out",
1801       priv->floating_toolbar,
1802       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1803       NULL);
1804
1805   /* transition from any state to "fade-in" state */
1806   clutter_state_set (priv->transitions, NULL, "fade-in",
1807       priv->floating_toolbar,
1808       "opacity", CLUTTER_EASE_OUT_QUAD, FLOATING_TOOLBAR_OPACITY,
1809       NULL);
1810
1811   /* put the actor into the "fade-in" state with no animation */
1812   clutter_state_warp_to_state (priv->transitions, "fade-in");
1813
1814   /* The call will be started as soon the pipeline is playing */
1815   priv->start_call_when_playing = TRUE;
1816
1817   priv->dtmf_panel = empathy_dialpad_widget_new ();
1818   g_signal_connect (priv->dtmf_panel, "start-tone",
1819       G_CALLBACK (dtmf_start_tone_cb), self);
1820
1821   priv->tones = g_string_new ("");
1822
1823   gtk_box_pack_start (GTK_BOX (priv->pane), priv->dtmf_panel,
1824       FALSE, FALSE, 6);
1825
1826   gtk_box_pack_start (GTK_BOX (priv->pane), priv->details_vbox,
1827       FALSE, FALSE, 0);
1828
1829   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1830
1831   gtk_widget_show_all (top_vbox);
1832
1833   gtk_widget_hide (priv->dtmf_panel);
1834   gtk_widget_hide (priv->details_vbox);
1835
1836   priv->fullscreen = empathy_call_window_fullscreen_new (self);
1837
1838   empathy_call_window_fullscreen_set_video_widget (priv->fullscreen,
1839       priv->video_container);
1840
1841   /* We hide the bottom toolbar after 3s of inactivity and show it
1842    * again on mouse movement */
1843   priv->inactivity_src = g_timeout_add_seconds (3,
1844       empathy_call_window_toolbar_timeout, self);
1845
1846   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1847       "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self);
1848
1849   g_signal_connect (G_OBJECT (self), "realize",
1850     G_CALLBACK (empathy_call_window_realized_cb), self);
1851
1852   g_signal_connect (G_OBJECT (self), "delete-event",
1853     G_CALLBACK (empathy_call_window_delete_cb), self);
1854
1855   g_signal_connect (G_OBJECT (self), "window-state-event",
1856     G_CALLBACK (empathy_call_window_state_event_cb), self);
1857
1858   g_signal_connect (G_OBJECT (self), "key-press-event",
1859       G_CALLBACK (empathy_call_window_key_press_cb), self);
1860
1861   g_signal_connect (self, "motion-notify-event",
1862       G_CALLBACK (empathy_call_window_motion_notify_cb), self);
1863
1864   priv->timer = g_timer_new ();
1865
1866   g_object_ref (priv->ui_manager);
1867   g_object_unref (gui);
1868
1869   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1870   priv->mic_menu = empathy_mic_menu_new (self);
1871   priv->camera_menu = empathy_camera_menu_new (self);
1872
1873   empathy_call_window_show_hangup_button (self, TRUE);
1874
1875   empathy_geometry_bind (GTK_WINDOW (self), "call-window");
1876   /* These signals are used to track the window position and save it
1877    * when the window is destroyed. We need to do this as we don't want
1878    * the window geometry to be saved with the dialpad taken into account. */
1879   g_signal_connect (self, "destroy",
1880       G_CALLBACK (empathy_call_window_destroyed_cb), self);
1881   g_signal_connect (self, "configure-event",
1882       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1883   g_signal_connect (self, "window-state-event",
1884       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1885
1886   /* Don't display labels in both toolbars */
1887   gtk_toolbar_set_style (GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
1888 }
1889
1890 /* Instead of specifying a width and a height, we specify only one size. That's
1891    because we want a square avatar icon.  */
1892 static void
1893 init_contact_avatar_with_size (EmpathyContact *contact,
1894     GtkWidget *image_widget,
1895     gint size)
1896 {
1897   GdkPixbuf *pixbuf_avatar = NULL;
1898
1899   if (contact != NULL)
1900     {
1901       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1902         size, size);
1903     }
1904
1905   if (pixbuf_avatar == NULL)
1906     {
1907       pixbuf_avatar = empathy_pixbuf_from_icon_name_sized (
1908           EMPATHY_IMAGE_AVATAR_DEFAULT, size);
1909     }
1910
1911   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1912
1913   if (pixbuf_avatar != NULL)
1914     g_object_unref (pixbuf_avatar);
1915 }
1916
1917 static void
1918 set_window_title (EmpathyCallWindow *self)
1919 {
1920   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1921   gchar *tmp;
1922
1923   if (priv->contact != NULL)
1924     {
1925       /* translators: Call is a noun and %s is the contact name. This string
1926        * is used in the window title */
1927       tmp = g_strdup_printf (_("Call with %s"),
1928           empathy_contact_get_alias (priv->contact));
1929       gtk_window_set_title (GTK_WINDOW (self), tmp);
1930       g_free (tmp);
1931     }
1932   else
1933     {
1934       g_warning ("Unknown remote contact!");
1935     }
1936 }
1937
1938 static void
1939 set_remote_user_name (EmpathyCallWindow *self,
1940   EmpathyContact *contact)
1941 {
1942   const gchar *alias = empathy_contact_get_alias (contact);
1943   const gchar *status = empathy_contact_get_status (contact);
1944   gchar *label;
1945
1946   label = g_strdup_printf ("%s\n<small>%s</small>", alias, status);
1947   gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_name_toolbar),
1948       label);
1949   g_free (label);
1950 }
1951
1952 static void
1953 contact_name_changed_cb (EmpathyContact *contact,
1954     GParamSpec *pspec,
1955     EmpathyCallWindow *self)
1956 {
1957   set_window_title (self);
1958   set_remote_user_name (self, contact);
1959 }
1960
1961 static void
1962 contact_presence_changed_cb (EmpathyContact *contact,
1963     GParamSpec *pspec,
1964     EmpathyCallWindow *self)
1965 {
1966   set_remote_user_name (self, contact);
1967 }
1968
1969 static void
1970 contact_avatar_changed_cb (EmpathyContact *contact,
1971     GParamSpec *pspec,
1972     EmpathyCallWindow *self)
1973 {
1974   int size;
1975   GtkAllocation allocation;
1976   GtkWidget *avatar_widget;
1977
1978   avatar_widget = self->priv->remote_user_avatar_widget;
1979
1980   gtk_widget_get_allocation (avatar_widget, &allocation);
1981   size = allocation.height;
1982
1983   if (size == 0)
1984     {
1985       /* the widget is not allocated yet, set a default size */
1986       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1987           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1988     }
1989
1990   init_contact_avatar_with_size (contact, avatar_widget, size);
1991
1992   avatar_widget = self->priv->remote_user_avatar_toolbar;
1993
1994   gtk_widget_get_allocation (avatar_widget, &allocation);
1995   size = allocation.height;
1996
1997   if (size == 0)
1998     {
1999       /* the widget is not allocated yet, set a default size */
2000       size = SMALL_TOOLBAR_SIZE;
2001     }
2002
2003   init_contact_avatar_with_size (contact, avatar_widget, size);
2004 }
2005
2006 static void
2007 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2008     EmpathyCallHandler *handler)
2009 {
2010   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2011
2012   tp_g_signal_connect_object (priv->contact, "notify::name",
2013       G_CALLBACK (contact_name_changed_cb), self, 0);
2014   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2015     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2016   tp_g_signal_connect_object (priv->contact, "notify::presence",
2017       G_CALLBACK (contact_presence_changed_cb), self, 0);
2018
2019   set_window_title (self);
2020   set_remote_user_name (self, priv->contact);
2021
2022   init_contact_avatar_with_size (priv->contact,
2023       priv->remote_user_avatar_widget,
2024       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2025           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2026
2027   init_contact_avatar_with_size (priv->contact,
2028       priv->remote_user_avatar_toolbar,
2029       SMALL_TOOLBAR_SIZE);
2030
2031   /* The remote avatar is shown by default and will be hidden when we receive
2032      video from the remote side. */
2033   clutter_actor_hide (priv->video_output);
2034   gtk_widget_show (priv->remote_user_avatar_widget);
2035 }
2036
2037 static void
2038 update_send_codec (EmpathyCallWindow *self,
2039     gboolean audio)
2040 {
2041   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2042   FsCodec *codec;
2043   GtkWidget *widget;
2044   gchar *tmp;
2045
2046   if (audio)
2047     {
2048       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2049       widget = priv->acodec_encoding_label;
2050     }
2051   else
2052     {
2053       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2054       widget = priv->vcodec_encoding_label;
2055     }
2056
2057   if (codec == NULL)
2058     return;
2059
2060   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2061   gtk_label_set_text (GTK_LABEL (widget), tmp);
2062   g_free (tmp);
2063 }
2064
2065 static void
2066 send_audio_codec_notify_cb (GObject *object,
2067     GParamSpec *pspec,
2068     gpointer user_data)
2069 {
2070   EmpathyCallWindow *self = user_data;
2071
2072   update_send_codec (self, TRUE);
2073 }
2074
2075 static void
2076 send_video_codec_notify_cb (GObject *object,
2077     GParamSpec *pspec,
2078     gpointer user_data)
2079 {
2080   EmpathyCallWindow *self = user_data;
2081
2082   update_send_codec (self, FALSE);
2083 }
2084
2085 static void
2086 update_recv_codec (EmpathyCallWindow *self,
2087     gboolean audio)
2088 {
2089   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2090   GList *codecs, *l;
2091   GtkWidget *widget;
2092   GString *str = NULL;
2093
2094   if (audio)
2095     {
2096       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2097       widget = priv->acodec_decoding_label;
2098     }
2099   else
2100     {
2101       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2102       widget = priv->vcodec_decoding_label;
2103     }
2104
2105   if (codecs == NULL)
2106     return;
2107
2108   for (l = codecs; l != NULL; l = g_list_next (l))
2109     {
2110       FsCodec *codec = l->data;
2111
2112       if (str == NULL)
2113         str = g_string_new (NULL);
2114       else
2115         g_string_append (str, ", ");
2116
2117       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2118           codec->clock_rate);
2119     }
2120
2121   gtk_label_set_text (GTK_LABEL (widget), str->str);
2122   g_string_free (str, TRUE);
2123 }
2124
2125 static void
2126 recv_audio_codecs_notify_cb (GObject *object,
2127     GParamSpec *pspec,
2128     gpointer user_data)
2129 {
2130   EmpathyCallWindow *self = user_data;
2131
2132   update_recv_codec (self, TRUE);
2133 }
2134
2135 static void
2136 recv_video_codecs_notify_cb (GObject *object,
2137     GParamSpec *pspec,
2138     gpointer user_data)
2139 {
2140   EmpathyCallWindow *self = user_data;
2141
2142   update_recv_codec (self, FALSE);
2143 }
2144
2145 static const gchar *
2146 candidate_type_to_str (FsCandidate *candidate)
2147 {
2148   switch (candidate->type)
2149     {
2150       case FS_CANDIDATE_TYPE_HOST:
2151         return "host";
2152       case FS_CANDIDATE_TYPE_SRFLX:
2153         return "server reflexive";
2154       case FS_CANDIDATE_TYPE_PRFLX:
2155         return "peer reflexive";
2156       case FS_CANDIDATE_TYPE_RELAY:
2157         return "relay";
2158       case FS_CANDIDATE_TYPE_MULTICAST:
2159         return "multicast";
2160     }
2161
2162   return NULL;
2163 }
2164
2165 static const gchar *
2166 candidate_type_to_desc (FsCandidate *candidate)
2167 {
2168   switch (candidate->type)
2169     {
2170       case FS_CANDIDATE_TYPE_HOST:
2171         return _("The IP address as seen by the machine");
2172       case FS_CANDIDATE_TYPE_SRFLX:
2173         return _("The IP address as seen by a server on the Internet");
2174       case FS_CANDIDATE_TYPE_PRFLX:
2175         return _("The IP address of the peer as seen by the other side");
2176       case FS_CANDIDATE_TYPE_RELAY:
2177         return _("The IP address of a relay server");
2178       case FS_CANDIDATE_TYPE_MULTICAST:
2179         return _("The IP address of the multicast group");
2180     }
2181
2182   return NULL;
2183 }
2184
2185 static void
2186 update_candidat_widget (EmpathyCallWindow *self,
2187     GtkWidget *label,
2188     GtkWidget *img,
2189     FsCandidate *candidate)
2190 {
2191   gchar *str;
2192
2193   g_assert (candidate != NULL);
2194   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2195       candidate->port, candidate_type_to_str (candidate));
2196
2197   gtk_label_set_text (GTK_LABEL (label), str);
2198   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2199
2200   g_free (str);
2201 }
2202
2203 static void
2204 candidates_changed_cb (GObject *object,
2205     FsMediaType type,
2206     EmpathyCallWindow *self)
2207 {
2208   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2209   FsCandidate *candidate = NULL;
2210
2211   if (type == FS_MEDIA_TYPE_VIDEO)
2212     {
2213       /* Update remote candidate */
2214       candidate = empathy_call_handler_get_video_remote_candidate (
2215           priv->handler);
2216
2217       update_candidat_widget (self, priv->video_remote_candidate_label,
2218           priv->video_remote_candidate_info_img, candidate);
2219
2220       /* Update local candidate */
2221       candidate = empathy_call_handler_get_video_local_candidate (
2222           priv->handler);
2223
2224       update_candidat_widget (self, priv->video_local_candidate_label,
2225           priv->video_local_candidate_info_img, candidate);
2226     }
2227   else
2228     {
2229       /* Update remote candidate */
2230       candidate = empathy_call_handler_get_audio_remote_candidate (
2231           priv->handler);
2232
2233       update_candidat_widget (self, priv->audio_remote_candidate_label,
2234           priv->audio_remote_candidate_info_img, candidate);
2235
2236       /* Update local candidate */
2237       candidate = empathy_call_handler_get_audio_local_candidate (
2238           priv->handler);
2239
2240       update_candidat_widget (self, priv->audio_local_candidate_label,
2241           priv->audio_local_candidate_info_img, candidate);
2242     }
2243 }
2244
2245 static void
2246 empathy_call_window_constructed (GObject *object)
2247 {
2248   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2249   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2250   TpyCallChannel *call;
2251   TpyCallState state;
2252
2253   g_assert (priv->handler != NULL);
2254
2255   g_object_get (priv->handler, "call-channel", &call, NULL);
2256   state = tpy_call_channel_get_state (call, NULL, NULL);
2257   priv->outgoing = (state == TPY_CALL_STATE_PENDING_INITIATOR);
2258   tp_clear_object (&call);
2259
2260   g_object_get (priv->handler, "target-contact", &priv->contact, NULL);
2261   g_assert (priv->contact != NULL);
2262
2263   if (!empathy_contact_can_voip_video (priv->contact))
2264     {
2265       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2266       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2267     }
2268
2269   empathy_call_window_setup_avatars (self, priv->handler);
2270   empathy_call_window_set_state_connecting (self);
2271
2272   if (!empathy_call_handler_has_initial_video (priv->handler))
2273     {
2274       gtk_toggle_tool_button_set_active (
2275           GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
2276     }
2277   /* If call has InitialVideo, the preview will be started once the call has
2278    * been started (start_call()). */
2279
2280   update_send_codec (self, TRUE);
2281   update_send_codec (self, FALSE);
2282   update_recv_codec (self, TRUE);
2283   update_recv_codec (self, FALSE);
2284
2285   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2286       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2287   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2288       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2289   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2290       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2291   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2292       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2293
2294   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2295       G_CALLBACK (candidates_changed_cb), self, 0);
2296 }
2297
2298 static void empathy_call_window_dispose (GObject *object);
2299 static void empathy_call_window_finalize (GObject *object);
2300
2301 static void
2302 empathy_call_window_set_property (GObject *object,
2303   guint property_id, const GValue *value, GParamSpec *pspec)
2304 {
2305   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2306
2307   switch (property_id)
2308     {
2309       case PROP_CALL_HANDLER:
2310         priv->handler = g_value_dup_object (value);
2311         break;
2312       default:
2313         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2314     }
2315 }
2316
2317 static void
2318 empathy_call_window_get_property (GObject *object,
2319   guint property_id, GValue *value, GParamSpec *pspec)
2320 {
2321   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2322
2323   switch (property_id)
2324     {
2325       case PROP_CALL_HANDLER:
2326         g_value_set_object (value, priv->handler);
2327         break;
2328       default:
2329         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2330     }
2331 }
2332
2333 static void
2334 empathy_call_window_class_init (
2335   EmpathyCallWindowClass *empathy_call_window_class)
2336 {
2337   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2338   GParamSpec *param_spec;
2339
2340   g_type_class_add_private (empathy_call_window_class,
2341     sizeof (EmpathyCallWindowPriv));
2342
2343   object_class->constructed = empathy_call_window_constructed;
2344   object_class->set_property = empathy_call_window_set_property;
2345   object_class->get_property = empathy_call_window_get_property;
2346
2347   object_class->dispose = empathy_call_window_dispose;
2348   object_class->finalize = empathy_call_window_finalize;
2349
2350   param_spec = g_param_spec_object ("handler",
2351     "handler", "The call handler",
2352     EMPATHY_TYPE_CALL_HANDLER,
2353     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2354   g_object_class_install_property (object_class,
2355     PROP_CALL_HANDLER, param_spec);
2356 }
2357
2358 void
2359 empathy_call_window_dispose (GObject *object)
2360 {
2361   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2362   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2363
2364   if (priv->dispose_has_run)
2365     return;
2366
2367   priv->dispose_has_run = TRUE;
2368
2369   if (priv->handler != NULL)
2370     {
2371       empathy_call_handler_stop_call (priv->handler);
2372       tp_clear_object (&priv->handler);
2373     }
2374
2375   if (priv->bus_message_source_id != 0)
2376     {
2377       g_source_remove (priv->bus_message_source_id);
2378       priv->bus_message_source_id = 0;
2379     }
2380
2381   if (priv->got_video_src > 0)
2382     {
2383       g_source_remove (priv->got_video_src);
2384       priv->got_video_src = 0;
2385     }
2386
2387   if (priv->inactivity_src > 0)
2388     {
2389       g_source_remove (priv->inactivity_src);
2390       priv->inactivity_src = 0;
2391     }
2392
2393   tp_clear_object (&priv->pipeline);
2394   tp_clear_object (&priv->video_input);
2395   tp_clear_object (&priv->audio_input);
2396   tp_clear_object (&priv->video_tee);
2397   tp_clear_object (&priv->ui_manager);
2398   tp_clear_object (&priv->fullscreen);
2399   tp_clear_object (&priv->camera_monitor);
2400   tp_clear_object (&priv->settings);
2401   tp_clear_object (&priv->sound_mgr);
2402   tp_clear_object (&priv->mic_menu);
2403   tp_clear_object (&priv->camera_menu);
2404
2405   g_list_free_full (priv->notifiers, g_object_unref);
2406
2407   if (priv->timer_id != 0)
2408     g_source_remove (priv->timer_id);
2409   priv->timer_id = 0;
2410
2411   if (priv->contact != NULL)
2412     {
2413       g_signal_handlers_disconnect_by_func (priv->contact,
2414           contact_name_changed_cb, self);
2415       priv->contact = NULL;
2416     }
2417
2418   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2419 }
2420
2421 static void
2422 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2423 {
2424   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2425
2426   if (priv->video_output_motion_handler_id != 0)
2427     {
2428       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2429           priv->video_output_motion_handler_id);
2430       priv->video_output_motion_handler_id = 0;
2431     }
2432 }
2433
2434 void
2435 empathy_call_window_finalize (GObject *object)
2436 {
2437   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2438   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2439
2440   disconnect_video_output_motion_handler (self);
2441
2442   /* free any data held directly by the object here */
2443   g_mutex_free (priv->lock);
2444
2445   g_timer_destroy (priv->timer);
2446
2447   g_string_free (priv->tones, TRUE);
2448
2449   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2450 }
2451
2452
2453 EmpathyCallWindow *
2454 empathy_call_window_new (EmpathyCallHandler *handler)
2455 {
2456   return EMPATHY_CALL_WINDOW (
2457     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2458 }
2459
2460 void
2461 empathy_call_window_present (EmpathyCallWindow *self,
2462     EmpathyCallHandler *handler)
2463 {
2464   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2465
2466   tp_clear_object (&self->priv->handler);
2467   self->priv->handler = g_object_ref (handler);
2468   empathy_call_window_connect_handler (self);
2469
2470   empathy_window_present (GTK_WINDOW (self));
2471   empathy_call_window_restart_call (self);
2472 }
2473
2474 static void
2475 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2476   GstElement *conference, gpointer user_data)
2477 {
2478   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2479   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2480   FsElementAddedNotifier *notifier;
2481   GKeyFile *keyfile;
2482
2483   DEBUG ("Conference added");
2484
2485   /* Add notifier to set the various element properties as needed */
2486   notifier = fs_element_added_notifier_new ();
2487   keyfile = fs_utils_get_default_element_properties (conference);
2488
2489   if (keyfile != NULL)
2490     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2491
2492   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2493
2494   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2495
2496   gst_bin_add (GST_BIN (priv->pipeline), conference);
2497   gst_element_set_state (conference, GST_STATE_PLAYING);
2498 }
2499
2500 static void
2501 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2502   GstElement *conference, gpointer user_data)
2503 {
2504   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2505   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2506
2507   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2508   gst_element_set_state (conference, GST_STATE_NULL);
2509 }
2510
2511 static gboolean
2512 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2513 {
2514   GstStateChangeReturn state_change_return;
2515   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2516
2517   if (priv->pipeline == NULL)
2518     return TRUE;
2519
2520   if (priv->bus_message_source_id != 0)
2521     {
2522       g_source_remove (priv->bus_message_source_id);
2523       priv->bus_message_source_id = 0;
2524     }
2525
2526   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2527
2528   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2529         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2530     {
2531       if (priv->pipeline != NULL)
2532         g_object_unref (priv->pipeline);
2533       priv->pipeline = NULL;
2534
2535       if (priv->audio_output != NULL)
2536         g_object_unref (priv->audio_output);
2537       priv->audio_output = NULL;
2538       priv->audio_output_added = FALSE;
2539
2540       if (priv->video_tee != NULL)
2541         g_object_unref (priv->video_tee);
2542       priv->video_tee = NULL;
2543
2544       if (priv->video_preview != NULL)
2545         clutter_actor_destroy (priv->video_preview);
2546       priv->video_preview = NULL;
2547
2548       /* If we destroy the preview while it's being dragged, we won't
2549        * get the ::drag-end signal, so manually destroy the clone */
2550       if (priv->drag_preview != NULL)
2551         {
2552           clutter_actor_destroy (priv->drag_preview);
2553           empathy_call_window_show_preview_rectangles (self, FALSE);
2554           priv->drag_preview = NULL;
2555         }
2556
2557       priv->funnel = NULL;
2558
2559       create_pipeline (self);
2560       /* Call will be started when user will hit the 'redial' button */
2561       priv->start_call_when_playing = FALSE;
2562       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2563
2564       return TRUE;
2565     }
2566   else
2567     {
2568       g_message ("Error: could not destroy pipeline. Closing call window");
2569       gtk_widget_destroy (GTK_WIDGET (self));
2570
2571       return FALSE;
2572     }
2573 }
2574
2575 static void
2576 reset_details_pane (EmpathyCallWindow *self)
2577 {
2578   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2579
2580   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2581   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2582   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2583   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2584 }
2585
2586 static gboolean
2587 empathy_call_window_disconnected (EmpathyCallWindow *self,
2588     gboolean restart)
2589 {
2590   gboolean could_disconnect = FALSE;
2591   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2592   gboolean could_reset_pipeline;
2593
2594   /* Leave full screen mode if needed */
2595   gtk_window_unfullscreen (GTK_WINDOW (self));
2596
2597   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2598   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2599
2600   priv->sending_tones = FALSE;
2601   g_string_set_size (priv->tones, 0);
2602
2603   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2604
2605   if (priv->call_state == CONNECTING)
2606       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2607
2608   if (priv->call_state != REDIALING)
2609     priv->call_state = DISCONNECTED;
2610
2611   /* Show the toolbar */
2612   clutter_state_set_state (priv->transitions, "fade-in");
2613
2614   if (could_reset_pipeline)
2615     {
2616       g_mutex_lock (priv->lock);
2617
2618       g_timer_stop (priv->timer);
2619
2620       if (priv->timer_id != 0)
2621         g_source_remove (priv->timer_id);
2622       priv->timer_id = 0;
2623
2624       g_mutex_unlock (priv->lock);
2625
2626       if (!restart)
2627         /* We are about to destroy the window, no need to update it or create
2628          * a video preview */
2629         return TRUE;
2630
2631       empathy_call_window_status_message (self, _("Disconnected"));
2632
2633       empathy_call_window_show_hangup_button (self, FALSE);
2634
2635       /* Unsensitive the camera and mic button */
2636       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2637       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2638
2639       /* Be sure that the mic button is enabled */
2640       gtk_toggle_tool_button_set_active (
2641           GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE);
2642
2643       if (priv->camera_state == CAMERA_STATE_ON)
2644         {
2645           /* Restart the preview with the new pipeline. */
2646           display_video_preview (self, TRUE);
2647         }
2648
2649       /* destroy the video output; it will be recreated when we'll redial */
2650       disconnect_video_output_motion_handler (self);
2651       if (priv->video_output != NULL)
2652         clutter_actor_destroy (priv->video_output);
2653       priv->video_output = NULL;
2654       if (priv->got_video_src > 0)
2655         {
2656           g_source_remove (priv->got_video_src);
2657           priv->got_video_src = 0;
2658         }
2659
2660       gtk_widget_show (priv->remote_user_avatar_widget);
2661
2662       reset_details_pane (self);
2663
2664       priv->sending_video = FALSE;
2665       priv->call_started = FALSE;
2666
2667       could_disconnect = TRUE;
2668
2669       /* TODO: display the self avatar of the preview (depends if the "Always
2670        * Show Video Preview" is enabled or not) */
2671     }
2672
2673   return could_disconnect;
2674 }
2675
2676
2677 static void
2678 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2679     gpointer user_data)
2680 {
2681   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2682   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2683
2684   if (empathy_call_window_disconnected (self, TRUE) &&
2685       priv->call_state == REDIALING)
2686       empathy_call_window_restart_call (self);
2687 }
2688
2689 static gboolean
2690 empathy_call_window_content_is_raw (TfContent *content)
2691 {
2692   FsConference *conference;
2693   gboolean israw;
2694
2695   g_object_get (content, "fs-conference", &conference, NULL);
2696   g_assert (conference != NULL);
2697
2698   /* FIXME: Ugly hack, update when moving a packetization property into
2699    * farstream */
2700   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2701   gst_object_unref (conference);
2702
2703   return israw;
2704 }
2705
2706 static gboolean
2707 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2708     TfContent *content,
2709     EmpathyCallWindow *self)
2710 {
2711   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2712   FsMediaType media_type;
2713
2714   DEBUG ("removing content");
2715
2716   g_object_get (content, "media-type", &media_type, NULL);
2717
2718   /*
2719    * This assumes that there is only one video stream per channel...
2720    */
2721
2722   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2723     {
2724       if (priv->funnel != NULL)
2725         {
2726           GstElement *output;
2727
2728           output = priv->video_output_sink;
2729
2730           gst_element_set_state (output, GST_STATE_NULL);
2731           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2732
2733           gst_bin_remove (GST_BIN (priv->pipeline), output);
2734           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2735           priv->funnel = NULL;
2736         }
2737     }
2738   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2739     {
2740       if (priv->audio_output != NULL)
2741         {
2742           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2743
2744           if (priv->audio_output_added)
2745             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2746           priv->audio_output = NULL;
2747           priv->audio_output_added = FALSE;
2748         }
2749     }
2750   else
2751     {
2752       g_assert_not_reached ();
2753     }
2754
2755   return TRUE;
2756 }
2757
2758 static void
2759 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2760     guint framerate,
2761     EmpathyCallWindow *self)
2762 {
2763   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2764
2765   DEBUG ("Framerate changed to %u", framerate);
2766
2767   if (priv->video_input != NULL)
2768     empathy_video_src_set_framerate (priv->video_input, framerate);
2769 }
2770
2771 static void
2772 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2773     guint width,
2774     guint height,
2775     EmpathyCallWindow *self)
2776 {
2777   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2778
2779   DEBUG ("Resolution changed to %ux%u", width, height);
2780
2781   if (priv->video_input != NULL)
2782     {
2783       empathy_video_src_set_resolution (priv->video_input, width, height);
2784     }
2785 }
2786
2787 /* Called with global lock held */
2788 static GstPad *
2789 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2790 {
2791   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2792   GstPad *pad;
2793   GstElement *output;
2794
2795   if (priv->funnel == NULL)
2796     {
2797       output = priv->video_output_sink;
2798
2799       priv->funnel = gst_element_factory_make ("fsfunnel", NULL);
2800
2801       if (!priv->funnel)
2802         {
2803           g_warning ("Could not create fsfunnel");
2804           return NULL;
2805         }
2806
2807       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2808         {
2809           gst_object_unref (priv->funnel);
2810           priv->funnel = NULL;
2811           g_warning ("Could  not add funnel to pipeline");
2812           return NULL;
2813         }
2814
2815       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2816         {
2817           g_warning ("Could not add the video output widget to the pipeline");
2818           goto error;
2819         }
2820
2821       if (!gst_element_link (priv->funnel, output))
2822         {
2823           g_warning ("Could not link output sink to funnel");
2824           goto error_output_added;
2825         }
2826
2827       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2828         {
2829           g_warning ("Could not start video sink");
2830           goto error_output_added;
2831         }
2832
2833       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2834         {
2835           g_warning ("Could not start funnel");
2836           goto error_output_added;
2837         }
2838     }
2839
2840   pad = gst_element_get_request_pad (priv->funnel, "sink%d");
2841
2842   if (!pad)
2843     g_warning ("Could not get request pad from funnel");
2844
2845   return pad;
2846
2847
2848  error_output_added:
2849
2850   gst_element_set_locked_state (priv->funnel, TRUE);
2851   gst_element_set_locked_state (output, TRUE);
2852
2853   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2854   gst_element_set_state (output, GST_STATE_NULL);
2855
2856   gst_bin_remove (GST_BIN (priv->pipeline), output);
2857   gst_element_set_locked_state (output, FALSE);
2858
2859  error:
2860
2861   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2862   priv->funnel = NULL;
2863
2864   return NULL;
2865 }
2866
2867 /* Called with global lock held */
2868 static GstPad *
2869 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2870   TfContent *content)
2871 {
2872   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2873   GstPad *pad;
2874   GstPadTemplate *template;
2875
2876   if (!priv->audio_output_added)
2877     {
2878       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2879         {
2880           g_warning ("Could not add audio sink to pipeline");
2881           g_object_unref (priv->audio_output);
2882           goto error_add_output;
2883         }
2884
2885       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2886         {
2887           g_warning ("Could not start audio sink");
2888           goto error;
2889         }
2890     }
2891
2892   template = gst_element_class_get_pad_template (
2893     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2894
2895   pad = gst_element_request_pad (priv->audio_output,
2896     template, NULL, NULL);
2897
2898   if (pad == NULL)
2899     {
2900       g_warning ("Could not get sink pad from sink");
2901       return NULL;
2902     }
2903
2904   return pad;
2905
2906 error:
2907   gst_element_set_locked_state (priv->audio_output, TRUE);
2908   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2909   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2910   priv->audio_output = NULL;
2911
2912 error_add_output:
2913
2914   return NULL;
2915 }
2916
2917 static gboolean
2918 empathy_call_window_update_timer (gpointer user_data)
2919 {
2920   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2921   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2922   const gchar *status;
2923   gchar *str;
2924   gdouble time_;
2925
2926   time_ = g_timer_elapsed (priv->timer, NULL);
2927
2928   if (priv->call_state == HELD)
2929     status = _("On hold");
2930   else if (!gtk_toggle_tool_button_get_active (
2931       GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
2932     status = _("Mute");
2933   else
2934     status = _("Duration");
2935
2936   /* Translators: 'status - minutes:seconds' the caller has been connected */
2937   str = g_strdup_printf (_("%s — %d:%02dm"),
2938       status,
2939       (int) time_ / 60, (int) time_ % 60);
2940   empathy_call_window_status_message (self, str);
2941   g_free (str);
2942
2943   return TRUE;
2944 }
2945
2946 enum
2947 {
2948   EMP_RESPONSE_BALANCE
2949 };
2950
2951 static void
2952 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2953     gint response_id,
2954     gpointer user_data)
2955 {
2956   switch (response_id)
2957     {
2958       case GTK_RESPONSE_CLOSE:
2959         gtk_widget_destroy (GTK_WIDGET (info_bar));
2960         break;
2961       case EMP_RESPONSE_BALANCE:
2962         empathy_url_show (GTK_WIDGET (info_bar),
2963             g_object_get_data (G_OBJECT (info_bar), "uri"));
2964         break;
2965     }
2966 }
2967
2968 static void
2969 display_error (EmpathyCallWindow *self,
2970     const gchar *img,
2971     const gchar *title,
2972     const gchar *desc,
2973     const gchar *details,
2974     const gchar *button_text,
2975     const gchar *uri,
2976     gint button_response)
2977 {
2978   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2979   GtkWidget *info_bar;
2980   GtkWidget *content_area;
2981   GtkWidget *hbox;
2982   GtkWidget *vbox;
2983   GtkWidget *image;
2984   GtkWidget *label;
2985   gchar *txt;
2986
2987   /* Create info bar */
2988   info_bar = gtk_info_bar_new ();
2989
2990   if (button_text != NULL)
2991     {
2992       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
2993           button_text, button_response);
2994       g_object_set_data_full (G_OBJECT (info_bar),
2995           "uri", g_strdup (uri), g_free);
2996     }
2997
2998   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
2999       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
3000
3001   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
3002
3003   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3004
3005   /* hbox containing the image and the messages vbox */
3006   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
3007   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3008
3009   /* Add image */
3010   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3011   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3012
3013   /* vbox containing the main message and the details expander */
3014   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
3015   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3016
3017   /* Add text */
3018   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3019
3020   label = gtk_label_new (NULL);
3021   gtk_label_set_markup (GTK_LABEL (label), txt);
3022   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3023   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3024   g_free (txt);
3025
3026   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3027
3028   /* Add details */
3029   if (details != NULL)
3030     {
3031       GtkWidget *expander;
3032
3033       expander = gtk_expander_new (_("Technical Details"));
3034
3035       txt = g_strdup_printf ("<i>%s</i>", details);
3036
3037       label = gtk_label_new (NULL);
3038       gtk_label_set_markup (GTK_LABEL (label), txt);
3039       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3040       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3041       g_free (txt);
3042
3043       gtk_container_add (GTK_CONTAINER (expander), label);
3044       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3045     }
3046
3047   g_signal_connect (info_bar, "response",
3048       G_CALLBACK (on_error_infobar_response_cb), NULL);
3049
3050   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3051       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3052   gtk_widget_show_all (info_bar);
3053 }
3054
3055 #if 0
3056 static gchar *
3057 media_stream_error_to_txt (EmpathyCallWindow *self,
3058     TpyCallChannel *call,
3059     gboolean audio,
3060     TpMediaStreamError error)
3061 {
3062   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3063   const gchar *cm = NULL;
3064   gchar *url;
3065   gchar *result;
3066
3067   switch (error)
3068     {
3069       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3070         if (audio)
3071           return g_strdup_printf (
3072               _("%s's software does not understand any of the audio formats "
3073                 "supported by your computer"),
3074             empathy_contact_get_alias (priv->contact));
3075         else
3076           return g_strdup_printf (
3077               _("%s's software does not understand any of the video formats "
3078                 "supported by your computer"),
3079             empathy_contact_get_alias (priv->contact));
3080
3081       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3082         return g_strdup_printf (
3083             _("Can't establish a connection to %s. "
3084               "One of you might be on a network that does not allow "
3085               "direct connections."),
3086           empathy_contact_get_alias (priv->contact));
3087
3088       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3089           return g_strdup (_("There was a failure on the network"));
3090
3091       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3092         if (audio)
3093           return g_strdup (_("The audio formats necessary for this call "
3094                 "are not installed on your computer"));
3095         else
3096           return g_strdup (_("The video formats necessary for this call "
3097                 "are not installed on your computer"));
3098
3099       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3100         tp_connection_parse_object_path (
3101             tp_channel_borrow_connection (TP_CHANNEL (call)),
3102             NULL, &cm);
3103
3104         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3105             "product=Telepathy&amp;component=%s", cm);
3106
3107         result = g_strdup_printf (
3108             _("Something unexpected happened in a Telepathy component. "
3109               "Please <a href=\"%s\">report this bug</a> and attach "
3110               "logs gathered from the 'Debug' window in the Help menu."), url);
3111
3112         g_free (url);
3113         g_free (cm);
3114         return result;
3115
3116       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3117         return g_strdup (_("There was a failure in the call engine"));
3118
3119       case TP_MEDIA_STREAM_ERROR_EOS:
3120         return g_strdup (_("The end of the stream was reached"));
3121
3122       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3123       default:
3124         return NULL;
3125     }
3126 }
3127
3128 static void
3129 empathy_call_window_stream_error (EmpathyCallWindow *self,
3130     TpyCallChannel *call,
3131     gboolean audio,
3132     guint code,
3133     const gchar *msg,
3134     const gchar *icon,
3135     const gchar *title)
3136 {
3137   gchar *desc;
3138
3139   desc = media_stream_error_to_txt (self, call, audio, code);
3140   if (desc == NULL)
3141     {
3142       /* No description, use the error message. That's not great as it's not
3143        * localized but it's better than nothing. */
3144       display_error (self, call, icon, title, msg, NULL);
3145     }
3146   else
3147     {
3148       display_error (self, call, icon, title, desc, msg);
3149       g_free (desc);
3150     }
3151 }
3152
3153 static void
3154 empathy_call_window_audio_stream_error (TpyCallChannel *call,
3155     guint code,
3156     const gchar *msg,
3157     EmpathyCallWindow *self)
3158 {
3159   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3160       "gnome-stock-mic", _("Can't establish audio stream"));
3161 }
3162
3163 static void
3164 empathy_call_window_video_stream_error (TpyCallChannel *call,
3165     guint code,
3166     const gchar *msg,
3167     EmpathyCallWindow *self)
3168 {
3169   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3170       "camera-web", _("Can't establish video stream"));
3171 }
3172 #endif
3173
3174 static void
3175 show_balance_error (EmpathyCallWindow *self)
3176 {
3177   TpChannel *call;
3178   TpConnection *conn;
3179   gchar *balance, *tmp;
3180   const gchar *uri, *currency;
3181   gint amount;
3182   guint scale;
3183
3184   g_object_get (self->priv->handler,
3185       "call-channel", &call,
3186       NULL);
3187
3188   conn = tp_channel_borrow_connection (call);
3189   g_object_unref (call);
3190
3191   uri = tp_connection_get_balance_uri (conn);
3192
3193   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3194     {
3195       /* unknown balance */
3196       balance = g_strdup ("(--)");
3197     }
3198   else
3199     {
3200       char *money = empathy_format_currency (amount, scale, currency);
3201
3202       balance = g_strdup_printf ("%s %s",
3203           currency, money);
3204       g_free (money);
3205     }
3206
3207   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3208
3209   display_error (self,
3210       NULL,
3211       _("Sorry, you don’t have enough credit for that call."),
3212       tmp, NULL,
3213       _("Top Up"),
3214       uri,
3215       EMP_RESPONSE_BALANCE);
3216
3217   g_free (tmp);
3218   g_free (balance);
3219 }
3220
3221 static void
3222 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3223     TpyCallState state,
3224     gchar *reason,
3225     EmpathyCallWindow *self)
3226 {
3227   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3228   TpyCallChannel *call;
3229   gboolean can_send_video;
3230
3231   if (state == TPY_CALL_STATE_ENDED &&
3232       !tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3233     {
3234       show_balance_error (self);
3235       return;
3236     }
3237
3238   if (state != TPY_CALL_STATE_ACCEPTED)
3239     return;
3240
3241   if (priv->call_state == CONNECTED)
3242     return;
3243
3244   g_timer_start (priv->timer);
3245   priv->call_state = CONNECTED;
3246
3247   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3248
3249   can_send_video = priv->video_input != NULL &&
3250     empathy_contact_can_voip_video (priv->contact) &&
3251     empathy_camera_monitor_get_available (priv->camera_monitor);
3252
3253   g_object_get (priv->handler, "call-channel", &call, NULL);
3254
3255   if (tpy_call_channel_has_dtmf (call))
3256     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3257
3258   if (priv->video_input == NULL)
3259     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3260
3261   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3262
3263   empathy_call_window_show_hangup_button (self, TRUE);
3264
3265   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3266
3267   clutter_actor_hide (priv->video_output);
3268   gtk_widget_show (priv->remote_user_avatar_widget);
3269
3270   g_object_unref (call);
3271
3272   g_mutex_lock (priv->lock);
3273
3274   priv->timer_id = g_timeout_add_seconds (1,
3275     empathy_call_window_update_timer, self);
3276
3277   g_mutex_unlock (priv->lock);
3278
3279   empathy_call_window_update_timer (self);
3280
3281   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3282 }
3283
3284 static gboolean
3285 empathy_call_window_show_video_output_cb (gpointer user_data)
3286 {
3287   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3288
3289   if (self->priv->video_output != NULL)
3290     {
3291       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3292       clutter_actor_show (self->priv->video_output);
3293       empathy_call_window_raise_actors (self);
3294     }
3295
3296   return FALSE;
3297 }
3298
3299 static gboolean
3300 empathy_call_window_check_video_cb (gpointer data)
3301 {
3302   EmpathyCallWindow *self = data;
3303
3304   if (self->priv->got_video)
3305     {
3306       self->priv->got_video = FALSE;
3307       return TRUE;
3308     }
3309
3310   /* No video in the last N seconds, display the remote avatar */
3311   empathy_call_window_show_video_output (self, FALSE);
3312
3313   return TRUE;
3314 }
3315
3316 /* Called from the streaming thread */
3317 static gboolean
3318 empathy_call_window_video_probe_cb (GstPad *pad,
3319     GstMiniObject *mini_obj,
3320     EmpathyCallWindow *self)
3321 {
3322   /* Ignore events */
3323   if (GST_IS_EVENT (mini_obj))
3324     return TRUE;
3325
3326   if (G_UNLIKELY (!self->priv->got_video))
3327     {
3328       /* show the remote video */
3329       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3330           empathy_call_window_show_video_output_cb,
3331           g_object_ref (self), g_object_unref);
3332
3333       self->priv->got_video = TRUE;
3334     }
3335
3336   return TRUE;
3337 }
3338
3339 /* Called from the streaming thread */
3340 static gboolean
3341 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3342   TfContent *content, GstPad *src, gpointer user_data)
3343 {
3344   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3345   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3346   gboolean retval = FALSE;
3347   guint media_type;
3348
3349   GstPad *pad;
3350
3351   g_mutex_lock (priv->lock);
3352
3353   g_object_get (content, "media-type", &media_type, NULL);
3354
3355   switch (media_type)
3356     {
3357       case TP_MEDIA_STREAM_TYPE_AUDIO:
3358         pad = empathy_call_window_get_audio_sink_pad (self, content);
3359         break;
3360       case TP_MEDIA_STREAM_TYPE_VIDEO:
3361         g_idle_add (empathy_call_window_show_video_output_cb, self);
3362         pad = empathy_call_window_get_video_sink_pad (self);
3363
3364         gst_pad_add_data_probe (src,
3365             G_CALLBACK (empathy_call_window_video_probe_cb), self);
3366         if (priv->got_video_src > 0)
3367           g_source_remove (priv->got_video_src);
3368         priv->got_video_src = g_timeout_add_seconds (5,
3369             empathy_call_window_check_video_cb, self);
3370         break;
3371       default:
3372         g_assert_not_reached ();
3373     }
3374
3375   if (pad == NULL)
3376     goto out;
3377
3378   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3379       g_warning ("Could not link %s sink pad",
3380           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3381   else
3382       retval = TRUE;
3383
3384   gst_object_unref (pad);
3385
3386  out:
3387
3388   /* If no sink could be linked, try to add fakesink to prevent the whole call
3389    * aborting */
3390
3391   if (!retval)
3392     {
3393       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3394
3395       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3396         {
3397           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3398           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3399               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3400             {
3401               gst_element_set_locked_state (fakesink, TRUE);
3402               gst_element_set_state (fakesink, GST_STATE_NULL);
3403               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3404             }
3405           else
3406             {
3407               DEBUG ("Could not link real sink, linked fakesink instead");
3408             }
3409           gst_object_unref (sinkpad);
3410         }
3411       else
3412         {
3413           gst_object_unref (fakesink);
3414         }
3415     }
3416
3417
3418   g_mutex_unlock (priv->lock);
3419
3420   return TRUE;
3421 }
3422
3423 static void
3424 empathy_call_window_prepare_audio_output (EmpathyCallWindow *self,
3425   TfContent *content)
3426 {
3427   EmpathyCallWindowPriv *priv = self->priv;
3428
3429   g_assert (priv->audio_output_added == FALSE);
3430   g_assert (priv->audio_output == FALSE);
3431
3432   priv->audio_output = empathy_audio_sink_new ();
3433   g_object_ref_sink (priv->audio_output);
3434
3435   /* volume button to output volume linking */
3436   g_object_bind_property (priv->audio_output, "volume",
3437     priv->volume_button, "value",
3438     G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
3439
3440   g_object_bind_property_full (content, "requested-output-volume",
3441     priv->audio_output, "volume",
3442     G_BINDING_DEFAULT,
3443     audio_control_volume_to_element,
3444     element_volume_to_audio_control,
3445     NULL, NULL);
3446
3447   /* Link volumes together, sync the current audio input volume property
3448     * back to farstream first */
3449   g_object_bind_property_full (priv->audio_output, "volume",
3450     content, "reported-output-volume",
3451     G_BINDING_SYNC_CREATE,
3452     element_volume_to_audio_control,
3453     audio_control_volume_to_element,
3454     NULL, NULL);
3455
3456   /* For raw audio conferences assume that the producer of the raw data
3457    * has already processed it, so turn off any echo cancellation and any
3458    * other audio improvements that come with it */
3459   empathy_audio_sink_set_echo_cancel (
3460     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3461     !empathy_call_window_content_is_raw (content));
3462 }
3463
3464
3465 static gboolean
3466 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3467   TfContent *content, gpointer user_data)
3468 {
3469   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3470   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3471   GstPad *sink, *pad;
3472   FsMediaType media_type;
3473   gboolean retval = FALSE;
3474
3475   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3476   g_assert (sink != NULL);
3477
3478   switch (media_type)
3479     {
3480       case FS_MEDIA_TYPE_AUDIO:
3481
3482         /* For raw audio conferences assume that the receiver of the raw data
3483          * wants it unprocessed, so turn off any echo cancellation and any
3484          * other audio improvements that come with it */
3485         empathy_audio_src_set_echo_cancel (
3486           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3487           !empathy_call_window_content_is_raw (content));
3488
3489         /* Link volumes together, sync the current audio input volume property
3490          * back to farstream first */
3491         g_object_bind_property_full (content, "requested-input-volume",
3492           priv->audio_input, "volume",
3493           G_BINDING_DEFAULT,
3494           audio_control_volume_to_element,
3495           element_volume_to_audio_control,
3496           NULL, NULL);
3497
3498         g_object_bind_property_full (priv->audio_input, "volume",
3499           content, "reported-input-volume",
3500           G_BINDING_SYNC_CREATE,
3501           element_volume_to_audio_control,
3502           audio_control_volume_to_element,
3503           NULL, NULL);
3504
3505         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3506           {
3507             g_warning ("Could not add audio source to pipeline");
3508             break;
3509           }
3510
3511         pad = gst_element_get_static_pad (priv->audio_input, "src");
3512         if (!pad)
3513           {
3514             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3515             g_warning ("Could not get source pad from audio source");
3516             break;
3517           }
3518
3519         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3520           {
3521             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3522             g_warning ("Could not link audio source to farsight");
3523             break;
3524           }
3525
3526         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3527           {
3528             g_warning ("Could not start audio source");
3529             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3530             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3531             break;
3532           }
3533
3534         /* Prepare our audio output, not added yet though */
3535         empathy_call_window_prepare_audio_output (self, content);
3536
3537         retval = TRUE;
3538         break;
3539       case FS_MEDIA_TYPE_VIDEO:
3540         if (priv->video_tee != NULL)
3541           {
3542             pad = gst_element_get_request_pad (priv->video_tee, "src%d");
3543             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3544               {
3545                 g_warning ("Could not link video source input pipeline");
3546                 break;
3547               }
3548             gst_object_unref (pad);
3549           }
3550
3551         retval = TRUE;
3552         break;
3553       default:
3554         g_assert_not_reached ();
3555     }
3556
3557   gst_object_unref (sink);
3558   return retval;
3559 }
3560
3561 static void
3562 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3563 {
3564   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3565   GstElement *preview;
3566
3567   disable_camera (self);
3568
3569   DEBUG ("remove video input");
3570   preview = priv->video_preview_sink;
3571
3572   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3573   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3574   gst_element_set_state (preview, GST_STATE_NULL);
3575
3576   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3577     preview, NULL);
3578
3579   g_object_unref (priv->video_input);
3580   priv->video_input = NULL;
3581   g_object_unref (priv->video_tee);
3582   priv->video_tee = NULL;
3583   clutter_actor_destroy (priv->video_preview);
3584   priv->video_preview = NULL;
3585
3586   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3587 }
3588
3589 static void
3590 start_call (EmpathyCallWindow *self)
3591 {
3592   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3593
3594   priv->call_started = TRUE;
3595   empathy_call_handler_start_call (priv->handler,
3596       gtk_get_current_event_time ());
3597
3598   if (empathy_call_handler_has_initial_video (priv->handler))
3599     {
3600       TpyCallChannel *call;
3601       TpySendingState s;
3602
3603       g_object_get (priv->handler, "call-channel", &call, NULL);
3604       /* If the call channel isn't set yet we're requesting it, if we're
3605        * requesting it with initial video it should be PENDING_SEND when we get
3606        * it */
3607       if (call == NULL)
3608         s = TPY_SENDING_STATE_PENDING_SEND;
3609       else
3610         s = tpy_call_channel_get_video_state (call);
3611
3612       if (s == TPY_SENDING_STATE_PENDING_SEND ||
3613           s == TPY_SENDING_STATE_SENDING)
3614         {
3615           /* Enable 'send video' buttons and display the preview */
3616           gtk_toggle_tool_button_set_active (
3617             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), TRUE);
3618         }
3619       else
3620         {
3621           gtk_toggle_tool_button_set_active (
3622             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
3623
3624           if (priv->video_preview == NULL)
3625             {
3626               create_video_preview (self);
3627               add_video_preview_to_pipeline (self);
3628             }
3629         }
3630
3631       if (call != NULL)
3632         g_object_unref (call);
3633     }
3634 }
3635
3636 static gboolean
3637 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3638   gpointer user_data)
3639 {
3640   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3641   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3642   GstState newstate, pending;
3643
3644   empathy_call_handler_bus_message (priv->handler, bus, message);
3645
3646   switch (GST_MESSAGE_TYPE (message))
3647     {
3648       case GST_MESSAGE_STATE_CHANGED:
3649         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3650           {
3651             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3652           }
3653         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3654             !priv->call_started)
3655           {
3656             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3657             if (newstate == GST_STATE_PAUSED)
3658               {
3659                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3660                 priv->pipeline_playing = TRUE;
3661
3662                 if (priv->start_call_when_playing)
3663                   start_call (self);
3664               }
3665           }
3666         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3667           {
3668             gst_message_parse_state_changed (message, NULL, &newstate,
3669                 &pending);
3670
3671             if (newstate == GST_STATE_PLAYING &&
3672                 pending == GST_STATE_VOID_PENDING)
3673               empathy_call_window_stop_camera_spinning (self);
3674           }
3675         break;
3676       case GST_MESSAGE_ERROR:
3677         {
3678           GError *error = NULL;
3679           GstElement *gst_error;
3680           gchar *debug;
3681
3682           gst_message_parse_error (message, &error, &debug);
3683           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3684
3685           g_message ("Element error: %s -- %s\n", error->message, debug);
3686
3687           if (g_str_has_prefix (gst_element_get_name (gst_error),
3688                 VIDEO_INPUT_ERROR_PREFIX))
3689             {
3690               /* Remove the video input and continue */
3691               if (priv->video_input != NULL)
3692                 empathy_call_window_remove_video_input (self);
3693               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3694             }
3695           else
3696             {
3697               empathy_call_window_disconnected (self, TRUE);
3698             }
3699           g_error_free (error);
3700           g_free (debug);
3701         }
3702       case GST_MESSAGE_UNKNOWN:
3703       case GST_MESSAGE_EOS:
3704       case GST_MESSAGE_WARNING:
3705       case GST_MESSAGE_INFO:
3706       case GST_MESSAGE_TAG:
3707       case GST_MESSAGE_BUFFERING:
3708       case GST_MESSAGE_STATE_DIRTY:
3709       case GST_MESSAGE_STEP_DONE:
3710       case GST_MESSAGE_CLOCK_PROVIDE:
3711       case GST_MESSAGE_CLOCK_LOST:
3712       case GST_MESSAGE_NEW_CLOCK:
3713       case GST_MESSAGE_STRUCTURE_CHANGE:
3714       case GST_MESSAGE_STREAM_STATUS:
3715       case GST_MESSAGE_APPLICATION:
3716       case GST_MESSAGE_ELEMENT:
3717       case GST_MESSAGE_SEGMENT_START:
3718       case GST_MESSAGE_SEGMENT_DONE:
3719       case GST_MESSAGE_DURATION:
3720       case GST_MESSAGE_ANY:
3721       default:
3722         break;
3723     }
3724
3725   return TRUE;
3726 }
3727
3728 static void
3729 empathy_call_window_members_changed_cb (TpyCallChannel *call,
3730     GHashTable *members,
3731     EmpathyCallWindow *self)
3732 {
3733   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3734   GHashTableIter iter;
3735   gpointer key, value;
3736   gboolean held = FALSE;
3737
3738   g_hash_table_iter_init (&iter, members);
3739   while (g_hash_table_iter_next (&iter, &key, &value))
3740     {
3741       if (GPOINTER_TO_INT (value) & TPY_CALL_MEMBER_FLAG_HELD)
3742         {
3743           /* This assumes this is a 1-1 call, otherwise one participant
3744            * putting the call on hold wouldn't mean the call is on hold
3745            * for everyone. */
3746           held = TRUE;
3747           break;
3748         }
3749     }
3750
3751   if (held)
3752     priv->call_state = HELD;
3753   else if (priv->call_state == HELD)
3754     priv->call_state = CONNECTED;
3755 }
3756
3757 static void
3758 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3759     GParamSpec *spec,
3760     EmpathyCallWindow *self)
3761 {
3762   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3763   TpyCallChannel *call;
3764
3765   g_object_get (priv->handler, "call-channel", &call, NULL);
3766   if (call == NULL)
3767     return;
3768
3769 /* FIXME
3770   tp_g_signal_connect_object (call, "audio-stream-error",
3771       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3772   tp_g_signal_connect_object (call, "video-stream-error",
3773       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3774 */
3775
3776   tp_g_signal_connect_object (call, "members-changed",
3777       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3778
3779   tp_cli_channel_interface_dtmf_connect_to_stopped_tones (TP_CHANNEL (call),
3780       empathy_call_window_tones_stopped_cb, self, NULL,
3781       G_OBJECT (call), NULL);
3782
3783   g_object_unref (call);
3784 }
3785
3786 static void
3787 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3788 {
3789   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3790   TpyCallChannel *call;
3791
3792   g_signal_connect (priv->handler, "state-changed",
3793     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3794   g_signal_connect (priv->handler, "conference-added",
3795     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3796   g_signal_connect (priv->handler, "conference-removed",
3797     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3798   g_signal_connect (priv->handler, "closed",
3799     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3800   g_signal_connect (priv->handler, "src-pad-added",
3801     G_CALLBACK (empathy_call_window_src_added_cb), self);
3802   g_signal_connect (priv->handler, "content-added",
3803     G_CALLBACK (empathy_call_window_content_added_cb), self);
3804   g_signal_connect (priv->handler, "content-removed",
3805     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3806
3807   /* We connect to ::call-channel unconditionally since we'll
3808    * get new channels if we hangup and redial or if we reuse the
3809    * call window. */
3810   g_signal_connect (priv->handler, "notify::call-channel",
3811     G_CALLBACK (call_handler_notify_call_cb), self);
3812
3813   g_signal_connect (priv->handler, "framerate-changed",
3814     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3815   g_signal_connect (priv->handler, "resolution-changed",
3816     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3817
3818   g_object_get (priv->handler, "call-channel", &call, NULL);
3819   if (call != NULL)
3820     {
3821       /* We won't get notify::call-channel for this channel, so
3822        * directly call the callback. */
3823       call_handler_notify_call_cb (priv->handler, NULL, self);
3824       g_object_unref (call);
3825     }
3826 }
3827
3828 static void
3829 empathy_call_window_realized_cb (GtkWidget *widget,
3830     EmpathyCallWindow *self)
3831 {
3832   gint width;
3833
3834   /* Make the hangup button twice as wide */
3835   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3836   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3837
3838   empathy_call_window_connect_handler (self);
3839
3840   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3841 }
3842
3843 static gboolean
3844 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3845   EmpathyCallWindow *window)
3846 {
3847   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3848
3849   if (priv->pipeline != NULL)
3850     {
3851       if (priv->bus_message_source_id != 0)
3852         {
3853           g_source_remove (priv->bus_message_source_id);
3854           priv->bus_message_source_id = 0;
3855         }
3856
3857       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3858     }
3859
3860   if (priv->call_state == CONNECTING)
3861     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3862
3863   return FALSE;
3864 }
3865
3866 static void
3867 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3868 {
3869   GtkWidget *menu;
3870   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3871
3872   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3873             "/menubar1");
3874
3875   if (set_fullscreen)
3876     {
3877       gtk_widget_hide (priv->dtmf_panel);
3878       gtk_widget_hide (menu);
3879       gtk_widget_hide (priv->toolbar);
3880     }
3881   else
3882     {
3883       if (priv->dialpad_was_visible_before_fs)
3884         gtk_widget_show (priv->dtmf_panel);
3885
3886       gtk_widget_show (menu);
3887       gtk_widget_show (priv->toolbar);
3888
3889       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3890           priv->original_height_before_fs);
3891     }
3892 }
3893
3894 static void
3895 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3896 {
3897   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3898
3899   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
3900       set_fullscreen ? 0 : CONTENT_HBOX_BORDER_WIDTH);
3901   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3902       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3903
3904   if (priv->video_output != NULL)
3905     {
3906 #if 0
3907       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3908           priv->video_output, TRUE, TRUE,
3909           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3910           GTK_PACK_START);
3911 #endif
3912     }
3913 }
3914
3915 static gboolean
3916 empathy_call_window_state_event_cb (GtkWidget *widget,
3917   GdkEventWindowState *event, EmpathyCallWindow *window)
3918 {
3919   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3920     {
3921       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3922       gboolean set_fullscreen = event->new_window_state &
3923         GDK_WINDOW_STATE_FULLSCREEN;
3924
3925       if (set_fullscreen)
3926         {
3927           gboolean dialpad_was_visible;
3928           GtkAllocation allocation;
3929           gint original_width, original_height;
3930
3931           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3932           original_width = allocation.width;
3933           original_height = allocation.height;
3934
3935           g_object_get (priv->dtmf_panel,
3936               "visible", &dialpad_was_visible,
3937               NULL);
3938
3939           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3940           priv->original_width_before_fs = original_width;
3941           priv->original_height_before_fs = original_height;
3942
3943           if (priv->video_output_motion_handler_id == 0 &&
3944                 priv->video_output != NULL)
3945             {
3946               priv->video_output_motion_handler_id = g_signal_connect (
3947                   G_OBJECT (priv->video_container), "motion-notify-event",
3948                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3949                   window);
3950             }
3951         }
3952       else
3953         {
3954           disconnect_video_output_motion_handler (window);
3955         }
3956
3957       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
3958           set_fullscreen);
3959       show_controls (window, set_fullscreen);
3960       show_borders (window, set_fullscreen);
3961       gtk_action_set_stock_id (priv->menu_fullscreen,
3962           (set_fullscreen ? "gtk-leave-fullscreen" : "gtk-fullscreen"));
3963       priv->is_fullscreen = set_fullscreen;
3964   }
3965
3966   return FALSE;
3967 }
3968
3969 static void
3970 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
3971     gboolean active)
3972 {
3973   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3974   int w, h, dialpad_width;
3975   GtkAllocation allocation;
3976
3977   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3978   w = allocation.width;
3979   h = allocation.height;
3980
3981   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
3982
3983   if (active)
3984     {
3985       gtk_widget_show (priv->dtmf_panel);
3986       w += dialpad_width;
3987     }
3988   else
3989     {
3990       w -= dialpad_width;
3991       gtk_widget_hide (priv->dtmf_panel);
3992     }
3993
3994   if (w > 0 && h > 0)
3995     gtk_window_resize (GTK_WINDOW (window), w, h);
3996 }
3997
3998 static void
3999 empathy_call_window_set_send_video (EmpathyCallWindow *window,
4000   CameraState state)
4001 {
4002   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4003   TpyCallChannel *call;
4004
4005   priv->sending_video = (state == CAMERA_STATE_ON);
4006
4007   if (state == CAMERA_STATE_ON)
4008     {
4009       /* When we start sending video, we want to show the video preview by
4010          default. */
4011       display_video_preview (window, TRUE);
4012     }
4013   else
4014     {
4015       display_video_preview (window, FALSE);
4016     }
4017
4018   if (priv->call_state != CONNECTED)
4019     return;
4020
4021   g_object_get (priv->handler, "call-channel", &call, NULL);
4022   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
4023   tpy_call_channel_send_video (call, priv->sending_video);
4024   g_object_unref (call);
4025 }
4026
4027 static void
4028 empathy_call_window_hangup_cb (gpointer object,
4029     EmpathyCallWindow *self)
4030 {
4031   empathy_call_handler_stop_call (self->priv->handler);
4032
4033   empathy_call_window_disconnected (self, TRUE);
4034 }
4035
4036 static void
4037 empathy_call_window_restart_call (EmpathyCallWindow *window)
4038 {
4039   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4040
4041   /* Remove error info bars */
4042   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4043       (GtkCallback) gtk_widget_destroy, NULL);
4044
4045   create_video_output_widget (window);
4046   priv->outgoing = TRUE;
4047   empathy_call_window_set_state_connecting (window);
4048
4049   if (priv->pipeline_playing)
4050     start_call (window);
4051   else
4052     /* call will be started when the pipeline is ready */
4053     priv->start_call_when_playing = TRUE;
4054
4055   empathy_call_window_setup_avatars (window, priv->handler);
4056
4057   empathy_call_window_show_hangup_button (window, TRUE);
4058 }
4059
4060 static void
4061 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4062     EmpathyCallWindow *window)
4063 {
4064   gboolean active;
4065
4066   active = gtk_toggle_tool_button_get_active (button);
4067
4068   empathy_call_window_show_dialpad (window, active);
4069 }
4070
4071 static void
4072 empathy_call_window_fullscreen_cb (gpointer object,
4073                                    EmpathyCallWindow *window)
4074 {
4075   empathy_call_window_fullscreen_toggle (window);
4076 }
4077
4078 static void
4079 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4080 {
4081   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4082
4083   if (priv->is_fullscreen)
4084     gtk_window_unfullscreen (GTK_WINDOW (window));
4085   else
4086     gtk_window_fullscreen (GTK_WINDOW (window));
4087 }
4088
4089 static gboolean
4090 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4091   GdkEventButton *event, EmpathyCallWindow *window)
4092 {
4093   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4094     {
4095       empathy_call_window_video_menu_popup (window, event->button);
4096       return TRUE;
4097     }
4098
4099   return FALSE;
4100 }
4101
4102 static gboolean
4103 empathy_call_window_key_press_cb (GtkWidget *video_output,
4104   GdkEventKey *event, EmpathyCallWindow *window)
4105 {
4106   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4107
4108   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4109     {
4110       /* Since we are in fullscreen mode, toggling will bring us back to
4111          normal mode. */
4112       empathy_call_window_fullscreen_toggle (window);
4113       return TRUE;
4114     }
4115
4116   return FALSE;
4117 }
4118
4119 static gboolean
4120 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4121     GdkEventMotion *event, EmpathyCallWindow *window)
4122 {
4123   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4124
4125   if (priv->is_fullscreen)
4126     {
4127       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4128
4129       /* Show the bottom toolbar */
4130       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4131       return TRUE;
4132     }
4133   return FALSE;
4134 }
4135
4136 static void
4137 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4138   guint button)
4139 {
4140   GtkWidget *menu;
4141   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4142
4143   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4144             "/video-popup");
4145   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4146       button, gtk_get_current_event_time ());
4147   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4148 }
4149
4150 static void
4151 empathy_call_window_status_message (EmpathyCallWindow *self,
4152   gchar *message)
4153 {
4154   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4155 }
4156
4157 GtkUIManager *
4158 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4159 {
4160   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4161
4162   return priv->ui_manager;
4163 }
4164
4165 EmpathyGstAudioSrc *
4166 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4167 {
4168   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4169
4170   return (EmpathyGstAudioSrc *) priv->audio_input;
4171 }
4172
4173 EmpathyGstVideoSrc *
4174 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4175 {
4176   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4177 }
4178
4179 void
4180 empathy_call_window_change_webcam (EmpathyCallWindow *self,
4181     const gchar *device)
4182 {
4183   EmpathyGstVideoSrc *video;
4184   gboolean running;
4185
4186   /* Restart the camera only if it's already running */
4187   running = (self->priv->video_preview != NULL);
4188   video = empathy_call_window_get_video_src (self);
4189
4190   if (running)
4191     empathy_call_window_play_camera (self, FALSE);
4192
4193   empathy_video_src_change_device (video, device);
4194
4195   if (running)
4196     empathy_call_window_play_camera (self, TRUE);
4197 }