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 #include "empathy-call-window.h"
  23
  24 #include <glib/gi18n.h>
  25 #include <telepathy-farstream/telepathy-farstream.h>
  26 #include <farstream/fs-element-added-notifier.h>
  27 #include <farstream/fs-utils.h>
  28 #include <tp-account-widgets/tpaw-builder.h>
  29 #include <tp-account-widgets/tpaw-camera-monitor.h>
  30 #include <tp-account-widgets/tpaw-images.h>
  31 #include <tp-account-widgets/tpaw-pixbuf-utils.h>
  32 #include <tp-account-widgets/tpaw-utils.h>
  33 #include <telepathy-glib/telepathy-glib-dbus.h>
  34
  35 #include "empathy-about-dialog.h"
  36 #include "empathy-audio-sink.h"
  37 #include "empathy-call-utils.h"
  38 #include "empathy-call-window-fullscreen.h"
  39 #include "empathy-camera-menu.h"
  40 #include "empathy-dialpad-widget.h"
  41 #include "empathy-geometry.h"
  42 #include "empathy-gsettings.h"
  43 #include "empathy-images.h"
  44 #include "empathy-mic-menu.h"
  45 #include "empathy-preferences.h"
  46 #include "empathy-request-util.h"
  47 #include "empathy-rounded-actor.h"
  48 #include "empathy-rounded-rectangle.h"
  49 #include "empathy-rounded-texture.h"
  50 #include "empathy-sound-manager.h"
  51 #include "empathy-ui-utils.h"
  52 #include "empathy-utils.h"
  53
  54 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  55 #include "empathy-debug.h"
  56
  57 #define CONTENT_HBOX_SPACING 3
  58 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 0
  59 #define OVERLAY_MARGIN 6
  60
  61 #define REMOTE_VIDEO_DEFAULT_WIDTH 320
  62 #define REMOTE_VIDEO_DEFAULT_HEIGHT 240
  63
  64 #define SELF_VIDEO_SECTION_WIDTH 120
  65 #define SELF_VIDEO_SECTION_HEIGHT 90
  66 #define SELF_VIDEO_SECTION_MARGIN 2
  67 #define SELF_VIDEO_SECTION_BORDER SELF_VIDEO_SECTION_MARGIN*2
  68
  69 /* The avatar's default width and height are set to the same value because we
  70    want a square icon. */
  71 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT REMOTE_VIDEO_DEFAULT_HEIGHT
  72 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH REMOTE_VIDEO_DEFAULT_HEIGHT
  73
  74 #define SMALL_TOOLBAR_SIZE 36
  75
  76 /* If an video input error occurs, the error message will start with "v4l" */
  77 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  78
  79 /* The time interval in milliseconds between 2 outgoing rings */
  80 #define MS_BETWEEN_RING 500
  81
  82 /* The roundedness of preview box and placeholders */
  83 #define PREVIEW_ROUND_FACTOR 16
  84
  85 #define PREVIEW_BUTTON_OPACITY 180
  86
  87 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
  88
  89 enum {
  90   PROP_CALL_HANDLER = 1,
  91 };
  92
  93 enum {
  94   SIG_INHIBIT,
  95   LAST_SIGNAL
  96 };
  97
  98 static guint signals[LAST_SIGNAL];
  99
 100 typedef enum {
 101   RINGING,       /* Incoming call */
 102   CONNECTING,    /* Outgoing call */
 103   CONNECTED,     /* Connected */
 104   HELD,          /* Connected, but on hold */
 105   DISCONNECTED,  /* Disconnected */
 106   REDIALING      /* Redialing (special case of CONNECTING) */
 107 } CallState;
 108
 109 typedef enum {
 110   CAMERA_STATE_OFF = 0,
 111   CAMERA_STATE_ON,
 112 } CameraState;
 113
 114 typedef enum {
 115   PREVIEW_POS_NONE,
 116   PREVIEW_POS_TOP_LEFT,
 117   PREVIEW_POS_TOP_RIGHT,
 118   PREVIEW_POS_BOTTOM_LEFT,
 119   PREVIEW_POS_BOTTOM_RIGHT,
 120 } PreviewPosition;
 121
 122 struct _EmpathyCallWindowPriv
 123 {
 124   gboolean dispose_has_run;
 125   EmpathyCallHandler *handler;
 126
 127   EmpathyContact *contact;
 128
 129   TpawCameraMonitor *camera_monitor;
 130
 131   CallState call_state;
 132   gboolean outgoing;
 133
 134   GtkUIManager *ui_manager;
 135   GtkWidget *errors_vbox;
 136   /* widget displays the video received from the remote user. This widget is
 137    * alive only during call. */
 138   ClutterActor *video_output;
 139   ClutterActor *video_preview;
 140   ClutterActor *drag_preview;
 141   ClutterActor *preview_shown_button;
 142   ClutterActor *preview_hidden_button;
 143   ClutterActor *preview_rectangle1;
 144   ClutterActor *preview_rectangle2;
 145   ClutterActor *preview_rectangle3;
 146   ClutterActor *preview_rectangle4;
 147   ClutterActor *preview_spinner_actor;
 148   GtkWidget *preview_spinner_widget;
 149   GtkWidget *video_container;
 150   GtkWidget *remote_user_avatar_widget;
 151   GtkWidget *remote_user_avatar_toolbar;
 152   GtkWidget *remote_user_name_toolbar;
 153   GtkWidget *remote_user_status_toolbar;
 154   GtkWidget *status_label;
 155   GtkWidget *hangup_button;
 156   GtkWidget *audio_call_button;
 157   GtkWidget *video_call_button;
 158   GtkWidget *mic_button;
 159   GtkWidget *microphone_icon;
 160   GtkWidget *volume_button;
 161   GtkWidget *camera_button;
 162   GtkWidget *dialpad_button;
 163   GtkWidget *toolbar;
 164   GtkWidget *bottom_toolbar;
 165   ClutterActor *floating_toolbar;
 166   GtkWidget *pane;
 167   GtkAction *menu_fullscreen;
 168   GtkAction *menu_swap_camera;
 169
 170   ClutterState *transitions;
 171
 172   /* The main box covering all the stage, contaning remote avatar/video */
 173   ClutterActor *video_box;
 174   ClutterLayoutManager *video_layout;
 175
 176   /* A bin layout manager containing a bin for previews
 177    * and the floating toolbar */
 178   ClutterActor *overlay_bin;
 179   ClutterLayoutManager *overlay_layout;
 180
 181   /* Bin layout for the previews */
 182   ClutterActor *preview_box;
 183   ClutterLayoutManager *preview_layout;
 184
 185   /* Coordinates of the preview drag event's start. */
 186   PreviewPosition preview_pos;
 187
 188   /* We keep a reference on the hbox which contains the main content so we can
 189      easilly repack everything when toggling fullscreen */
 190   GtkWidget *content_hbox;
 191
 192   /* These are used to accept or reject an incoming call when the status
 193      is RINGING. */
 194   GtkWidget *incoming_call_dialog;
 195   TpCallChannel *pending_channel;
 196   TpChannelDispatchOperation *pending_cdo;
 197   TpAddDispatchOperationContext *pending_context;
 198
 199   gulong video_output_motion_handler_id;
 200   guint bus_message_source_id;
 201
 202   GtkWidget *dtmf_panel;
 203
 204   /* Details vbox */
 205   GtkWidget *details_vbox;
 206   GtkWidget *vcodec_encoding_label;
 207   GtkWidget *acodec_encoding_label;
 208   GtkWidget *vcodec_decoding_label;
 209   GtkWidget *acodec_decoding_label;
 210
 211   GtkWidget *audio_remote_candidate_label;
 212   GtkWidget *audio_local_candidate_label;
 213   GtkWidget *video_remote_candidate_label;
 214   GtkWidget *video_local_candidate_label;
 215   GtkWidget *video_remote_candidate_info_img;
 216   GtkWidget *video_local_candidate_info_img;
 217   GtkWidget *audio_remote_candidate_info_img;
 218   GtkWidget *audio_local_candidate_info_img;
 219
 220   GstElement *video_input;
 221   GstElement *video_preview_sink;
 222   GstElement *video_output_sink;
 223   GstElement *audio_input;
 224   GstElement *audio_output;
 225   gboolean audio_output_added;
 226   GstElement *pipeline;
 227   GstElement *video_tee;
 228
 229   GstElement *funnel;
 230
 231   GList *notifiers;
 232
 233   GTimer *timer;
 234   guint timer_id;
 235
 236   GMutex lock;
 237   gboolean call_started;
 238   gboolean sending_video;
 239   CameraState camera_state;
 240
 241   EmpathyCallWindowFullscreen *fullscreen;
 242   gboolean is_fullscreen;
 243
 244   gboolean got_video;
 245   guint got_video_src;
 246
 247   guint inactivity_src;
 248
 249   /* Those fields represent the state of the window before it actually was in
 250      fullscreen mode. */
 251   gboolean dialpad_was_visible_before_fs;
 252   gint original_width_before_fs;
 253   gint original_height_before_fs;
 254
 255   gint x, y, w, h, dialpad_width;
 256   gboolean maximized;
 257
 258   /* TRUE if the call should be started when the pipeline is playing */
 259   gboolean start_call_when_playing;
 260   /* TRUE if we requested to set the pipeline in the playing state */
 261   gboolean pipeline_playing;
 262
 263   EmpathySoundManager *sound_mgr;
 264
 265   GSettings *settings;
 266   EmpathyMicMenu *mic_menu;
 267   EmpathyCameraMenu *camera_menu;
 268
 269   gboolean muted;
 270 };
 271
 272 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 273
 274 static void empathy_call_window_realized_cb (GtkWidget *widget,
 275   EmpathyCallWindow *window);
 276
 277 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 278   GdkEvent *event, EmpathyCallWindow *window);
 279
 280 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 281   GdkEventWindowState *event, EmpathyCallWindow *window);
 282
 283 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 284   CameraState state);
 285
 286 static void empathy_call_window_hangup_cb (gpointer object,
 287   EmpathyCallWindow *window);
 288
 289 static void empathy_call_window_fullscreen_cb (gpointer object,
 290   EmpathyCallWindow *window);
 291
 292 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 293
 294 static gboolean empathy_call_window_video_button_press_cb (
 295   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 296
 297 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 298   GdkEventKey *event, EmpathyCallWindow *window);
 299
 300 static gboolean empathy_call_window_video_output_motion_notify (
 301   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 302
 303 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 304   guint button);
 305
 306 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 307
 308 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 309   EmpathyCallWindow *window);
 310
 311 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 312
 313 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 314   gchar *message);
 315
 316 static gboolean empathy_call_window_bus_message (GstBus *bus,
 317   GstMessage *message, gpointer user_data);
 318
 319 static gboolean empathy_call_window_update_timer (gpointer user_data);
 320
 321 static void
 322 make_background_transparent (GtkClutterActor *actor)
 323 {
 324   GdkRGBA transparent = { 0., 0., 0., 0. };
 325   GtkWidget *widget;
 326
 327   widget = gtk_clutter_actor_get_widget (actor);
 328   gtk_widget_override_background_color (widget, GTK_STATE_FLAG_NORMAL, &transparent);
 329 }
 330
 331 static void
 332 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 333     gboolean show)
 334 {
 335   gtk_widget_set_visible (self->priv->hangup_button, show);
 336   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 337   gtk_widget_set_visible (self->priv->video_call_button, !show);
 338 }
 339
 340 static void
 341 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 342     EmpathyCallWindow *self)
 343 {
 344   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 345   empathy_call_window_restart_call (self);
 346 }
 347
 348 static void
 349 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 350     EmpathyCallWindow *self)
 351 {
 352   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 353   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 354   empathy_call_window_restart_call (self);
 355 }
 356
 357 static void
 358 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 359     TpDTMFEvent event,
 360     EmpathyCallWindow *self)
 361 {
 362   TpCallChannel *call;
 363   gchar tones[2];
 364
 365   g_object_get (self->priv->handler, "call-channel", &call, NULL);
 366
 367   tones[0] = tp_dtmf_event_to_char (event);
 368   tones[1] = '\0';
 369   tp_call_channel_send_tones_async (call, tones, NULL, NULL, NULL);
 370
 371   g_object_unref (call);
 372 }
 373
 374 static void
 375 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 376     gboolean show)
 377 {
 378   if (self->priv->video_output != NULL)
 379     g_object_set (self->priv->video_output, "visible", show, NULL);
 380
 381   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 382
 383   clutter_actor_raise_top (self->priv->overlay_bin);
 384 }
 385
 386 static void
 387 create_video_output_widget (EmpathyCallWindow *self)
 388 {
 389   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 390
 391   g_assert (priv->video_output == NULL);
 392   g_assert (priv->pipeline != NULL);
 393
 394   priv->video_output = clutter_texture_new ();
 395
 396   clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (priv->video_output),
 397       TRUE);
 398
 399   priv->video_output_sink = gst_element_factory_make ("cluttersink", NULL);
 400   if (priv->video_output_sink == NULL)
 401     g_error ("Missing cluttersink");
 402   else
 403     g_object_set (priv->video_output_sink, "texture", priv->video_output, NULL);
 404
 405   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 406       priv->video_output);
 407
 408   gtk_widget_add_events (priv->video_container,
 409       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 410   g_signal_connect (G_OBJECT (priv->video_container), "button-press-event",
 411       G_CALLBACK (empathy_call_window_video_button_press_cb), self);
 412 }
 413
 414 static void
 415 create_video_input (EmpathyCallWindow *self)
 416 {
 417   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 418
 419   g_assert (priv->video_input == NULL);
 420   priv->video_input = empathy_video_src_new ();
 421   gst_object_ref_sink (priv->video_input);
 422 }
 423
 424 static gboolean
 425 audio_control_volume_to_element (GBinding *binding,
 426   const GValue *source_value,
 427   GValue *target_value,
 428   gpointer user_data)
 429 {
 430   /* AudioControl volume is 0-255, with -1 for unknown */
 431   gint hv;
 432
 433   hv = g_value_get_int (source_value);
 434   if (hv < 0)
 435     return FALSE;
 436
 437   hv = MIN (hv, 255);
 438   g_value_set_double (target_value, hv/255.0);
 439
 440   return TRUE;
 441 }
 442
 443 static gboolean
 444 element_volume_to_audio_control (GBinding *binding,
 445   const GValue *source_value,
 446   GValue *target_value,
 447   gpointer user_data)
 448 {
 449   gdouble ev;
 450
 451   ev = g_value_get_double (source_value);
 452   ev = CLAMP (ev, 0.0, 1.0);
 453
 454   g_value_set_int (target_value, ev * 255);
 455   return TRUE;
 456 }
 457
 458 static void
 459 audio_input_mute_notify_cb (GObject *obj, GParamSpec *spec,
 460   EmpathyCallWindow *self)
 461 {
 462   gboolean muted;
 463   g_object_get (obj, "mute", &muted, NULL);
 464
 465   self->priv->muted = muted;
 466   if (muted && self->priv->transitions)
 467     clutter_state_set_state (self->priv->transitions, "fade-in");
 468
 469   if (muted)
 470     {
 471       gtk_image_set_from_icon_name (GTK_IMAGE (self->priv->microphone_icon),
 472           EMPATHY_IMAGE_MIC_MUTED, GTK_ICON_SIZE_MENU);
 473     }
 474   else
 475     {
 476       gtk_image_set_from_icon_name (GTK_IMAGE (self->priv->microphone_icon),
 477           EMPATHY_IMAGE_MIC, GTK_ICON_SIZE_MENU);
 478     }
 479
 480   empathy_call_window_update_timer (self);
 481 }
 482
 483 static void
 484 create_audio_input (EmpathyCallWindow *self)
 485 {
 486   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 487
 488   g_assert (priv->audio_input == NULL);
 489   priv->audio_input = empathy_audio_src_new ();
 490   gst_object_ref_sink (priv->audio_input);
 491
 492   g_signal_connect (priv->audio_input, "notify::mute",
 493     G_CALLBACK (audio_input_mute_notify_cb), self);
 494 }
 495
 496 static void
 497 add_video_preview_to_pipeline (EmpathyCallWindow *self)
 498 {
 499   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 500   GstElement *preview;
 501
 502   g_assert (priv->video_preview != NULL);
 503   g_assert (priv->pipeline != NULL);
 504   g_assert (priv->video_input != NULL);
 505   g_assert (priv->video_tee != NULL);
 506
 507   preview = priv->video_preview_sink;
 508
 509   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 510     {
 511       g_warning ("Could not add video input to pipeline");
 512       return;
 513     }
 514
 515   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 516     {
 517       g_warning ("Could not add video preview to pipeline");
 518       return;
 519     }
 520
 521   if (!gst_element_link (priv->video_input, priv->video_tee))
 522     {
 523       g_warning ("Could not link video input to video tee");
 524       return;
 525     }
 526
 527   if (!gst_element_link (priv->video_tee, preview))
 528     {
 529       g_warning ("Could not link video tee to video preview");
 530       return;
 531     }
 532 }
 533
 534 static void
 535 empathy_call_window_disable_camera_cb (GtkAction *action,
 536     EmpathyCallWindow *self)
 537 {
 538   clutter_actor_destroy (self->priv->preview_hidden_button);
 539
 540   gtk_toggle_button_set_active (
 541       GTK_TOGGLE_BUTTON (self->priv->camera_button), FALSE);
 542 }
 543
 544 static void
 545 empathy_call_window_minimise_camera_cb (GtkAction *action,
 546     EmpathyCallWindow *self)
 547 {
 548   clutter_actor_hide (self->priv->video_preview);
 549   clutter_actor_show (self->priv->preview_hidden_button);
 550 }
 551
 552 static void
 553 empathy_call_window_maximise_camera_cb (GtkAction *action,
 554     EmpathyCallWindow *self)
 555 {
 556   clutter_actor_show (self->priv->video_preview);
 557   clutter_actor_hide (self->priv->preview_hidden_button);
 558 }
 559
 560 static void
 561 empathy_call_window_swap_camera_cb (GtkAction *action,
 562     EmpathyCallWindow *self)
 563 {
 564   const GList *cameras, *l;
 565   gchar *current_cam;
 566
 567   DEBUG ("Swapping the camera");
 568
 569   cameras = tpaw_camera_monitor_get_cameras (self->priv->camera_monitor);
 570   current_cam = empathy_video_src_dup_device (
 571       EMPATHY_GST_VIDEO_SRC (self->priv->video_input));
 572
 573   for (l = cameras; l != NULL; l = l->next)
 574     {
 575       TpawCamera *camera = l->data;
 576
 577       if (!tp_strdiff (camera->device, current_cam))
 578         {
 579           TpawCamera *next;
 580
 581           if (l->next != NULL)
 582             next = l->next->data;
 583           else
 584             next = cameras->data;
 585
 586           /* EmpathyCameraMenu will update itself and do the actual change
 587            * for us */
 588           g_settings_set_string (self->priv->settings,
 589               EMPATHY_PREFS_CALL_CAMERA_DEVICE,
 590               next->device);
 591
 592           break;
 593         }
 594     }
 595
 596   g_free (current_cam);
 597 }
 598
 599 static void
 600 empathy_call_window_update_swap_camera (EmpathyCallWindow *self)
 601 {
 602   const GList *cameras = tpaw_camera_monitor_get_cameras (
 603       self->priv->camera_monitor);
 604
 605   gtk_action_set_visible (self->priv->menu_swap_camera,
 606       g_list_length ((GList *) cameras) >= 2);
 607 }
 608
 609 static void
 610 empathy_call_window_camera_added_cb (TpawCameraMonitor *monitor,
 611     TpawCamera *camera,
 612     EmpathyCallWindow *self)
 613 {
 614   empathy_call_window_update_swap_camera (self);
 615 }
 616
 617 static void
 618 empathy_call_window_camera_removed_cb (TpawCameraMonitor *monitor,
 619     TpawCamera *camera,
 620     EmpathyCallWindow *self)
 621 {
 622   empathy_call_window_update_swap_camera (self);
 623 }
 624
 625 static void
 626 empathy_call_window_preview_button_clicked_cb (ClutterClickAction *action,
 627     ClutterActor *actor,
 628     EmpathyCallWindow *self)
 629 {
 630   GtkWidget *menu;
 631
 632   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 633       "/preview-menu");
 634   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 635       0, gtk_get_current_event_time ());
 636   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 637 }
 638
 639 static void
 640 empathy_call_window_preview_hidden_button_clicked_cb (
 641     ClutterClickAction *action,
 642     ClutterActor *actor,
 643     EmpathyCallWindow *self)
 644 {
 645   GtkWidget *menu;
 646
 647   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 648       "/preview-hidden-menu");
 649   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 650       0, gtk_get_current_event_time ());
 651   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 652 }
 653
 654 static ClutterActor *
 655 empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
 656     ClutterBinAlignment x,
 657     ClutterBinAlignment y)
 658 {
 659   ClutterActor *rectangle;
 660
 661   rectangle = CLUTTER_ACTOR (empathy_rounded_rectangle_new (
 662       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT,
 663       PREVIEW_ROUND_FACTOR));
 664
 665   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->preview_layout),
 666       rectangle, x, y);
 667   clutter_actor_hide (rectangle);
 668
 669   return rectangle;
 670 }
 671
 672 static void
 673 empathy_call_window_create_preview_rectangles (EmpathyCallWindow *self)
 674 {
 675   ClutterActor *box;
 676
 677   self->priv->preview_layout = clutter_bin_layout_new (
 678       CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_CENTER);
 679   self->priv->preview_box = box = clutter_box_new (self->priv->preview_layout);
 680
 681   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->overlay_layout),
 682       box,
 683       CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_FILL);
 684
 685   self->priv->preview_rectangle1 =
 686       empathy_call_window_create_preview_rectangle (self,
 687           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_START);
 688   self->priv->preview_rectangle2 =
 689       empathy_call_window_create_preview_rectangle (self,
 690           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_END);
 691   self->priv->preview_rectangle3 =
 692       empathy_call_window_create_preview_rectangle (self,
 693           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_START);
 694   self->priv->preview_rectangle4 =
 695       empathy_call_window_create_preview_rectangle (self,
 696           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
 697 }
 698
 699 static void
 700 empathy_call_window_show_preview_rectangles (EmpathyCallWindow *self,
 701     gboolean show)
 702 {
 703   g_object_set (self->priv->preview_rectangle1, "visible", show, NULL);
 704   g_object_set (self->priv->preview_rectangle2, "visible", show, NULL);
 705   g_object_set (self->priv->preview_rectangle3, "visible", show, NULL);
 706   g_object_set (self->priv->preview_rectangle4, "visible", show, NULL);
 707 }
 708
 709 static void
 710 empathy_call_window_get_preview_coordinates (EmpathyCallWindow *self,
 711     PreviewPosition pos,
 712     guint *x,
 713     guint *y)
 714 {
 715   guint ret_x = 0, ret_y = 0;
 716   ClutterGeometry box;
 717
 718   if (!clutter_actor_has_allocation (self->priv->preview_box))
 719     goto out;
 720
 721   clutter_actor_get_geometry (self->priv->preview_box, &box);
 722
 723   switch (pos)
 724     {
 725       case PREVIEW_POS_TOP_LEFT:
 726         ret_x = ret_y = SELF_VIDEO_SECTION_MARGIN;
 727         break;
 728       case PREVIEW_POS_TOP_RIGHT:
 729         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 730             - SELF_VIDEO_SECTION_WIDTH;
 731         ret_y = SELF_VIDEO_SECTION_MARGIN;
 732         break;
 733       case PREVIEW_POS_BOTTOM_LEFT:
 734         ret_x = SELF_VIDEO_SECTION_MARGIN;
 735         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 736             - SELF_VIDEO_SECTION_HEIGHT;
 737         break;
 738       case PREVIEW_POS_BOTTOM_RIGHT:
 739         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 740             - SELF_VIDEO_SECTION_WIDTH;
 741         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 742             - SELF_VIDEO_SECTION_HEIGHT;
 743         break;
 744       default:
 745         g_warn_if_reached ();
 746     }
 747
 748 out:
 749   if (x != NULL)
 750     *x = ret_x;
 751
 752   if (y != NULL)
 753     *y = ret_y;
 754 }
 755
 756 static PreviewPosition
 757 empathy_call_window_get_preview_position (EmpathyCallWindow *self,
 758     gfloat event_x,
 759     gfloat event_y)
 760 {
 761   ClutterGeometry box;
 762   PreviewPosition pos = PREVIEW_POS_NONE;
 763
 764   if (!clutter_actor_has_allocation (self->priv->preview_box))
 765     return pos;
 766
 767   clutter_actor_get_geometry (self->priv->preview_box, &box);
 768
 769   if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 770       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 771       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 772       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 773     {
 774       pos = PREVIEW_POS_TOP_LEFT;
 775     }
 776   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 777       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 778       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 779       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 780     {
 781       pos = PREVIEW_POS_TOP_RIGHT;
 782     }
 783   else if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 784       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 785       box.height - SELF_VIDEO_SECTION_MARGIN >= event_y &&
 786       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_HEIGHT))
 787     {
 788       pos = PREVIEW_POS_BOTTOM_LEFT;
 789     }
 790   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 791       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 792       box.height - 2 * SELF_VIDEO_SECTION_MARGIN >= event_y &&
 793       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_HEIGHT))
 794     {
 795       pos = PREVIEW_POS_BOTTOM_RIGHT;
 796     }
 797
 798   return pos;
 799 }
 800
 801 static ClutterActor *
 802 empathy_call_window_get_preview_rectangle (EmpathyCallWindow *self,
 803     PreviewPosition pos)
 804 {
 805   ClutterActor *rectangle;
 806
 807   switch (pos)
 808     {
 809       case PREVIEW_POS_TOP_LEFT:
 810         rectangle = self->priv->preview_rectangle1;
 811         break;
 812       case PREVIEW_POS_TOP_RIGHT:
 813         rectangle = self->priv->preview_rectangle3;
 814         break;
 815       case PREVIEW_POS_BOTTOM_LEFT:
 816         rectangle = self->priv->preview_rectangle2;
 817         break;
 818       case PREVIEW_POS_BOTTOM_RIGHT:
 819         rectangle = self->priv->preview_rectangle4;
 820         break;
 821       default:
 822         rectangle = NULL;
 823     }
 824
 825   return rectangle;
 826 }
 827
 828 static void
 829 empathy_call_window_move_video_preview (EmpathyCallWindow *self,
 830     PreviewPosition pos)
 831 {
 832   ClutterBinLayout *layout = CLUTTER_BIN_LAYOUT (self->priv->preview_layout);
 833
 834   DEBUG ("moving the video preview to %d", pos);
 835
 836   self->priv->preview_pos = pos;
 837
 838   switch (pos)
 839     {
 840       case PREVIEW_POS_TOP_LEFT:
 841         clutter_bin_layout_set_alignment (layout,
 842             self->priv->video_preview,
 843             CLUTTER_BIN_ALIGNMENT_START,
 844             CLUTTER_BIN_ALIGNMENT_START);
 845         break;
 846       case PREVIEW_POS_TOP_RIGHT:
 847         clutter_bin_layout_set_alignment (layout,
 848             self->priv->video_preview,
 849             CLUTTER_BIN_ALIGNMENT_END,
 850             CLUTTER_BIN_ALIGNMENT_START);
 851         break;
 852       case PREVIEW_POS_BOTTOM_LEFT:
 853         clutter_bin_layout_set_alignment (layout,
 854             self->priv->video_preview,
 855             CLUTTER_BIN_ALIGNMENT_START,
 856             CLUTTER_BIN_ALIGNMENT_END);
 857         break;
 858       case PREVIEW_POS_BOTTOM_RIGHT:
 859         clutter_bin_layout_set_alignment (layout,
 860             self->priv->video_preview,
 861             CLUTTER_BIN_ALIGNMENT_END,
 862             CLUTTER_BIN_ALIGNMENT_END);
 863         break;
 864       default:
 865         g_warn_if_reached ();
 866     }
 867
 868   g_settings_set_enum (self->priv->settings, "camera-position", pos);
 869 }
 870
 871 static void
 872 empathy_call_window_highlight_preview_rectangle (EmpathyCallWindow *self,
 873     PreviewPosition pos)
 874 {
 875   ClutterActor *rectangle;
 876   ClutterColor white = { 0xff, 0xff, 0xff, 0xff};
 877
 878   rectangle = empathy_call_window_get_preview_rectangle (self, pos);
 879
 880   empathy_rounded_rectangle_set_border_width (
 881       EMPATHY_ROUNDED_RECTANGLE (rectangle), 2 * SELF_VIDEO_SECTION_MARGIN);
 882   empathy_rounded_rectangle_set_border_color (
 883       EMPATHY_ROUNDED_RECTANGLE (rectangle), &white);
 884 }
 885
 886 static void
 887 empathy_call_window_darken_preview_rectangle (EmpathyCallWindow *self,
 888     ClutterActor *rectangle)
 889 {
 890   ClutterColor white = { 0xff, 0xff, 0xff, 0xff}, darker;
 891
 892   clutter_color_shade (&white, 0.55, &darker);
 893
 894   empathy_rounded_rectangle_set_border_width (
 895       EMPATHY_ROUNDED_RECTANGLE (rectangle), 1);
 896   empathy_rounded_rectangle_set_border_color (
 897       EMPATHY_ROUNDED_RECTANGLE (rectangle), &darker);
 898 }
 899
 900 static void
 901 empathy_call_window_darken_preview_rectangles (EmpathyCallWindow *self)
 902 {
 903   ClutterActor *rectangle;
 904
 905   rectangle = empathy_call_window_get_preview_rectangle (self,
 906       self->priv->preview_pos);
 907
 908   /* We don't want to darken the rectangle where the preview
 909    * currently is. */
 910
 911   if (self->priv->preview_rectangle1 != rectangle)
 912     empathy_call_window_darken_preview_rectangle (self,
 913         self->priv->preview_rectangle1);
 914
 915   if (self->priv->preview_rectangle2 != rectangle)
 916     empathy_call_window_darken_preview_rectangle (self,
 917         self->priv->preview_rectangle2);
 918
 919   if (self->priv->preview_rectangle3 != rectangle)
 920     empathy_call_window_darken_preview_rectangle (self,
 921         self->priv->preview_rectangle3);
 922
 923   if (self->priv->preview_rectangle4 != rectangle)
 924     empathy_call_window_darken_preview_rectangle (self,
 925         self->priv->preview_rectangle4);
 926 }
 927
 928 static void
 929 empathy_call_window_preview_on_drag_begin_cb (ClutterDragAction *action,
 930     ClutterActor *actor,
 931     gfloat event_x,
 932     gfloat event_y,
 933     ClutterModifierType modifiers,
 934     EmpathyCallWindow *self)
 935 {
 936   ClutterActor *stage = clutter_actor_get_stage (actor);
 937   gfloat rel_x, rel_y;
 938
 939   self->priv->drag_preview = clutter_clone_new (actor);
 940
 941   clutter_container_add_actor (CLUTTER_CONTAINER (stage),
 942       self->priv->drag_preview);
 943
 944   clutter_actor_transform_stage_point (actor, event_x, event_y,
 945       &rel_x, &rel_y);
 946
 947   clutter_actor_set_position (self->priv->drag_preview,
 948       event_x - rel_x, event_y - rel_y);
 949
 950   clutter_drag_action_set_drag_handle (action,
 951       self->priv->drag_preview);
 952
 953   clutter_actor_set_opacity (actor, 0);
 954   clutter_actor_hide (self->priv->preview_shown_button);
 955
 956   empathy_call_window_show_preview_rectangles (self, TRUE);
 957   empathy_call_window_darken_preview_rectangles (self);
 958 }
 959
 960 static void
 961 empathy_call_window_on_animation_completed_cb (ClutterAnimation *animation,
 962     ClutterActor *actor)
 963 {
 964   clutter_actor_set_opacity (actor, 255);
 965 }
 966
 967 static void
 968 empathy_call_window_preview_on_drag_end_cb (ClutterDragAction *action,
 969     ClutterActor *actor,
 970     gfloat event_x,
 971     gfloat event_y,
 972     ClutterModifierType modifiers,
 973     EmpathyCallWindow *self)
 974 {
 975   PreviewPosition pos;
 976   guint x, y;
 977
 978   /* Get the position before destroying the drag actor, otherwise the
 979    * preview_box allocation won't be valid and we won't be able to
 980    * calculate the position. */
 981   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
 982
 983   empathy_call_window_get_preview_coordinates (self,
 984       pos != PREVIEW_POS_NONE ? pos : self->priv->preview_pos,
 985       &x, &y);
 986
 987   /* Move the preview to the destination and destroy it afterwards */
 988   clutter_actor_animate (self->priv->drag_preview, CLUTTER_LINEAR, 500,
 989       "x", (gfloat) x,
 990       "y", (gfloat) y,
 991       "signal-swapped-after::completed",
 992         clutter_actor_destroy, self->priv->drag_preview,
 993       "signal-swapped-after::completed",
 994         clutter_actor_show, self->priv->preview_shown_button,
 995       "signal::completed",
 996         empathy_call_window_on_animation_completed_cb, actor,
 997       NULL);
 998
 999   self->priv->drag_preview = NULL;
1000
1001   if (pos != PREVIEW_POS_NONE)
1002     empathy_call_window_move_video_preview (self, pos);
1003
1004   empathy_call_window_show_preview_rectangles (self, FALSE);
1005 }
1006
1007 static void
1008 empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
1009     ClutterActor *actor,
1010     gfloat delta_x,
1011     gfloat delta_y,
1012     EmpathyCallWindow *self)
1013 {
1014   PreviewPosition pos;
1015   gfloat event_x, event_y;
1016
1017   clutter_drag_action_get_motion_coords (action, &event_x, &event_y);
1018
1019   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1020
1021   if (pos != PREVIEW_POS_NONE)
1022     empathy_call_window_highlight_preview_rectangle (self, pos);
1023   else
1024     empathy_call_window_darken_preview_rectangles (self);
1025 }
1026
1027 static gboolean
1028 empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
1029     ClutterCrossingEvent *event,
1030     EmpathyCallWindow *self)
1031 {
1032   ClutterActor *rectangle;
1033
1034   rectangle = empathy_call_window_get_preview_rectangle (self,
1035       self->priv->preview_pos);
1036
1037   empathy_call_window_highlight_preview_rectangle (self,
1038       self->priv->preview_pos);
1039
1040   clutter_actor_show (rectangle);
1041
1042   return FALSE;
1043 }
1044
1045 static gboolean
1046 empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
1047     ClutterCrossingEvent *event,
1048     EmpathyCallWindow *self)
1049 {
1050   ClutterActor *rectangle;
1051
1052   rectangle = empathy_call_window_get_preview_rectangle (self,
1053       self->priv->preview_pos);
1054
1055   empathy_call_window_darken_preview_rectangle (self, rectangle);
1056
1057   clutter_actor_hide (rectangle);
1058
1059   return FALSE;
1060 }
1061
1062 static void
1063 create_video_preview (EmpathyCallWindow *self)
1064 {
1065   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1066   ClutterLayoutManager *layout;
1067   ClutterActor *preview;
1068   ClutterActor *b;
1069   ClutterAction *action;
1070   PreviewPosition pos;
1071
1072   g_assert (priv->video_preview == NULL);
1073
1074   pos = g_settings_get_enum (priv->settings, "camera-position");
1075
1076   preview = empathy_rounded_texture_new ();
1077   clutter_actor_set_size (preview,
1078       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1079
1080   priv->video_preview_sink = gst_element_factory_make ("cluttersink", NULL);
1081   if (priv->video_preview_sink == NULL)
1082       g_error ("Missing cluttersink, check your clutter-gst installation");
1083   g_object_set (priv->video_preview_sink, "texture", preview, NULL);
1084   g_object_add_weak_pointer (G_OBJECT (priv->video_preview_sink), (gpointer) &priv->video_preview_sink);
1085
1086   /* Add a little offset to the video preview */
1087   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1088       CLUTTER_BIN_ALIGNMENT_CENTER);
1089   priv->video_preview = clutter_box_new (layout);
1090   clutter_actor_set_size (priv->video_preview,
1091       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1092       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1093
1094   /* Spinner for when changing the camera device */
1095   priv->preview_spinner_widget = gtk_spinner_new ();
1096   priv->preview_spinner_actor = empathy_rounded_actor_new (PREVIEW_ROUND_FACTOR);
1097
1098   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1099   make_background_transparent (GTK_CLUTTER_ACTOR (priv->preview_spinner_actor));
1100   gtk_widget_show (priv->preview_spinner_widget);
1101
1102   gtk_container_add (
1103       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1104           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1105       priv->preview_spinner_widget);
1106   clutter_actor_set_size (priv->preview_spinner_actor,
1107       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1108   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1109   clutter_actor_hide (priv->preview_spinner_actor);
1110
1111   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1112       preview);
1113   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1114       priv->preview_spinner_actor);
1115
1116   g_object_set (priv->video_preview_sink,
1117       "sync", FALSE,
1118       "async", FALSE,
1119       NULL);
1120
1121   /* Preview show */
1122   priv->preview_shown_button = b = gtk_clutter_actor_new_with_contents (
1123       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1124         GTK_ICON_SIZE_MENU));
1125   clutter_actor_set_margin_right (b, 4);
1126   clutter_actor_set_margin_bottom (b, 2);
1127   clutter_actor_set_opacity (b, PREVIEW_BUTTON_OPACITY);
1128   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1129
1130   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (layout), b,
1131       CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
1132
1133   action = clutter_click_action_new ();
1134   clutter_actor_add_action (b, action);
1135   g_signal_connect (action, "clicked",
1136       G_CALLBACK (empathy_call_window_preview_button_clicked_cb), self);
1137
1138   /* Preview hidden */
1139   priv->preview_hidden_button = b = gtk_clutter_actor_new_with_contents (
1140       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1141         GTK_ICON_SIZE_MENU));
1142   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1143
1144   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1145       priv->preview_hidden_button,
1146       CLUTTER_BIN_ALIGNMENT_START,
1147       CLUTTER_BIN_ALIGNMENT_END);
1148
1149   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1150
1151   clutter_actor_hide (priv->preview_hidden_button);
1152
1153   action = clutter_click_action_new ();
1154   clutter_actor_add_action (b, action);
1155   g_signal_connect (action, "clicked",
1156       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb), self);
1157
1158   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1159       priv->video_preview,
1160       CLUTTER_BIN_ALIGNMENT_START,
1161       CLUTTER_BIN_ALIGNMENT_END);
1162
1163   empathy_call_window_move_video_preview (self, pos);
1164
1165   action = clutter_drag_action_new ();
1166   g_signal_connect (action, "drag-begin",
1167       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1168   g_signal_connect (action, "drag-end",
1169       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1170   g_signal_connect (action, "drag-motion",
1171       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1172
1173   g_signal_connect (preview, "enter-event",
1174       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1175   g_signal_connect (preview, "leave-event",
1176       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1177
1178   clutter_actor_add_action (preview, action);
1179   clutter_actor_set_reactive (preview, TRUE);
1180   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1181 }
1182
1183 static void
1184 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1185 {
1186   clutter_actor_show (self->priv->preview_spinner_actor);
1187   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1188 }
1189
1190 static void
1191 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1192 {
1193   clutter_actor_hide (self->priv->preview_spinner_actor);
1194   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1195 }
1196
1197 void
1198 empathy_call_window_play_camera (EmpathyCallWindow *self,
1199     gboolean play)
1200 {
1201   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1202   GstElement *preview;
1203   GstState state;
1204
1205   if (priv->video_preview == NULL)
1206     {
1207       create_video_preview (self);
1208       add_video_preview_to_pipeline (self);
1209     }
1210
1211   if (play)
1212     {
1213       state = GST_STATE_PLAYING;
1214     }
1215   else
1216     {
1217       empathy_call_window_start_camera_spinning (self);
1218       state = GST_STATE_NULL;
1219     }
1220
1221   preview = priv->video_preview_sink;
1222
1223   gst_element_set_state (preview, state);
1224   gst_element_set_state (priv->video_tee, state);
1225   gst_element_set_state (priv->video_input, state);
1226 }
1227
1228 static void
1229 display_video_preview (EmpathyCallWindow *self,
1230     gboolean display)
1231 {
1232   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1233
1234   if (priv->video_preview == NULL)
1235     {
1236       create_video_preview (self);
1237       add_video_preview_to_pipeline (self);
1238     }
1239
1240   if (display)
1241     {
1242       /* Display the video preview */
1243       DEBUG ("Show video preview");
1244
1245       empathy_call_window_play_camera (self, TRUE);
1246       clutter_actor_show (priv->video_preview);
1247       clutter_actor_raise_top (priv->floating_toolbar);
1248     }
1249   else
1250     {
1251       /* Hide the video preview */
1252       DEBUG ("Hide video preview");
1253
1254       if (priv->video_preview != NULL)
1255         {
1256           clutter_actor_hide (priv->video_preview);
1257           empathy_call_window_play_camera (self, FALSE);
1258         }
1259     }
1260 }
1261
1262 static void
1263 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1264 {
1265   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1266
1267   empathy_call_window_status_message (window, _("Connecting…"));
1268   priv->call_state = CONNECTING;
1269
1270   /* Show the toolbar */
1271   clutter_state_set_state (priv->transitions, "fade-in");
1272
1273   if (priv->outgoing)
1274     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1275         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1276 }
1277
1278 static void
1279 disable_camera (EmpathyCallWindow *self)
1280 {
1281   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1282
1283   if (priv->camera_state == CAMERA_STATE_OFF)
1284     return;
1285
1286   DEBUG ("Disable camera");
1287
1288   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1289
1290   priv->camera_state = CAMERA_STATE_OFF;
1291 }
1292
1293 static void
1294 enable_camera (EmpathyCallWindow *self)
1295 {
1296   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1297
1298   if (priv->camera_state == CAMERA_STATE_ON)
1299     return;
1300
1301   if (priv->video_input == NULL)
1302     {
1303       DEBUG ("Can't enable camera, no input");
1304       return;
1305     }
1306
1307   DEBUG ("Enable camera");
1308
1309   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1310
1311   priv->camera_state = CAMERA_STATE_ON;
1312 }
1313
1314 static void
1315 empathy_call_window_camera_toggled_cb (GtkToggleButton *toggle,
1316   EmpathyCallWindow *self)
1317 {
1318   if (gtk_toggle_button_get_active (toggle))
1319     enable_camera (self);
1320   else
1321     disable_camera (self);
1322 }
1323
1324 static void
1325 create_pipeline (EmpathyCallWindow *self)
1326 {
1327   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1328   GstBus *bus;
1329
1330   g_assert (priv->pipeline == NULL);
1331
1332   priv->pipeline = gst_pipeline_new (NULL);
1333   priv->pipeline_playing = FALSE;
1334
1335   priv->video_tee = gst_element_factory_make ("tee", NULL);
1336   gst_object_ref_sink (priv->video_tee);
1337
1338   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1339
1340   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1341   priv->bus_message_source_id = gst_bus_add_watch (bus,
1342       empathy_call_window_bus_message, self);
1343
1344   g_object_unref (bus);
1345 }
1346
1347 static void
1348 empathy_call_window_settings_cb (GtkAction *action,
1349     EmpathyCallWindow *self)
1350 {
1351   gchar *args = g_strdup_printf ("-p %s",
1352       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1353
1354   empathy_launch_program (BIN_DIR, "empathy", args);
1355
1356   g_free (args);
1357 }
1358
1359 static void
1360 empathy_call_window_contents_cb (GtkAction *action,
1361     EmpathyCallWindow *self)
1362 {
1363   empathy_url_show (GTK_WIDGET (self), "help:empathy/audio-video");
1364 }
1365
1366 static void
1367 show_png (GPid pid, gint status, gpointer user_data)
1368 {
1369   gtk_show_uri (NULL, (gchar *) user_data, GDK_CURRENT_TIME, NULL);
1370   g_spawn_close_pid (pid);
1371   g_free (user_data);
1372 }
1373
1374 static void
1375 empathy_call_window_debug_gst_cb (GtkAction *action,
1376     EmpathyCallWindow *self)
1377 {
1378   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1379   GDateTime *date_time;
1380   GPid dot_pid;
1381   const gchar *dot_dir;
1382   const gchar *prgname;
1383   gchar *dot_cmd;
1384   gchar *filename;
1385   gchar **argv;
1386   gint argc;
1387
1388   if (priv->pipeline == NULL)
1389     DEBUG ("No pipeline");
1390
1391   date_time = g_date_time_new_now_utc ();
1392   prgname = g_get_prgname ();
1393   filename = g_strdup_printf ("%s-%" G_GINT64_FORMAT, prgname,
1394       g_date_time_to_unix (date_time));
1395
1396   GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (priv->pipeline),
1397       GST_DEBUG_GRAPH_SHOW_ALL, filename);
1398
1399   dot_dir = g_getenv ("GST_DEBUG_DUMP_DOT_DIR");
1400   dot_cmd = g_strdup_printf ("dot -Tpng -o %s.png %s.dot",
1401       filename,
1402       filename);
1403   g_shell_parse_argv (dot_cmd, &argc, &argv, NULL);
1404
1405   if (g_spawn_async (dot_dir,
1406           argv,
1407           NULL,
1408           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
1409           NULL,
1410           NULL,
1411           &dot_pid,
1412           NULL))
1413     {
1414       gchar *uri = g_strdup_printf ("file://%s/%s.png", dot_dir, filename);
1415       g_child_watch_add (dot_pid, show_png, uri);
1416     }
1417
1418   g_strfreev (argv);
1419   g_free (dot_cmd);
1420   g_free (filename);
1421   g_date_time_unref (date_time);
1422 }
1423
1424 static void
1425 empathy_call_window_debug_tp_cb (GtkAction *action,
1426     EmpathyCallWindow *self)
1427 {
1428   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1429 }
1430
1431 static void
1432 empathy_call_window_about_cb (GtkAction *action,
1433     EmpathyCallWindow *self)
1434 {
1435   empathy_about_dialog_new (GTK_WINDOW (self));
1436 }
1437
1438 static gboolean
1439 empathy_call_window_toolbar_timeout (gpointer data)
1440 {
1441   EmpathyCallWindow *self = data;
1442
1443   /* We don't want to hide the toolbar if we're not in a call, as
1444    * to show the call status all the time. Also don't hide if we're muted
1445    * to prevent the awkward, talking when muted situation */
1446   if (self->priv->call_state != CONNECTING &&
1447       self->priv->call_state != DISCONNECTED &&
1448       !self->priv->muted)
1449     clutter_state_set_state (self->priv->transitions, "fade-out");
1450
1451   return TRUE;
1452 }
1453
1454 static gboolean
1455 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1456     GdkEvent *event,
1457     EmpathyCallWindow *self)
1458 {
1459   clutter_state_set_state (self->priv->transitions, "fade-in");
1460
1461   if (self->priv->inactivity_src > 0)
1462     g_source_remove (self->priv->inactivity_src);
1463
1464   self->priv->inactivity_src = g_timeout_add_seconds (3,
1465       empathy_call_window_toolbar_timeout, self);
1466
1467   return FALSE;
1468 }
1469
1470 static gboolean
1471 empathy_call_window_configure_event_cb (GtkWidget *widget,
1472     GdkEvent  *event,
1473     EmpathyCallWindow *self)
1474 {
1475   GdkWindow *gdk_window;
1476   GdkWindowState window_state;
1477
1478   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1479   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1480
1481   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1482       &self->priv->dialpad_width, NULL);
1483
1484   gdk_window = gtk_widget_get_window (widget);
1485   window_state = gdk_window_get_state (gdk_window);
1486   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1487
1488   return FALSE;
1489 }
1490
1491 static void
1492 empathy_call_window_destroyed_cb (GtkWidget *object,
1493     EmpathyCallWindow *self)
1494 {
1495   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1496     {
1497       /* Save the geometry as if the dialpad was hidden. */
1498       empathy_geometry_save_values (GTK_WINDOW (self),
1499           self->priv->x, self->priv->y,
1500           self->priv->w - self->priv->dialpad_width, self->priv->h,
1501           self->priv->maximized);
1502     }
1503 }
1504
1505 static void
1506 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1507     gint response_id,
1508     EmpathyCallWindow *self)
1509 {
1510   switch (response_id)
1511     {
1512       case GTK_RESPONSE_ACCEPT:
1513         tp_channel_dispatch_operation_handle_with_async (
1514             self->priv->pending_cdo, EMPATHY_CALL_BUS_NAME, NULL, NULL);
1515
1516         tp_clear_object (&self->priv->pending_cdo);
1517         tp_clear_object (&self->priv->pending_channel);
1518         tp_clear_object (&self->priv->pending_context);
1519
1520         break;
1521       case GTK_RESPONSE_CANCEL:
1522         tp_channel_dispatch_operation_close_channels_async (
1523             self->priv->pending_cdo, NULL, NULL);
1524
1525         empathy_call_window_status_message (self, _("Disconnected"));
1526         self->priv->call_state = DISCONNECTED;
1527         break;
1528       default:
1529         g_warn_if_reached ();
1530     }
1531 }
1532
1533 static void
1534 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1535 {
1536   gboolean video;
1537
1538   g_assert (self->priv->call_state != CONNECTED);
1539
1540   video = tp_call_channel_has_initial_video (self->priv->pending_channel, NULL);
1541
1542   empathy_call_window_status_message (self, _("Incoming call"));
1543   self->priv->call_state = RINGING;
1544
1545   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1546       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1547       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1548       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1549       empathy_contact_get_alias (self->priv->contact));
1550
1551   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1552       _("Reject"), GTK_RESPONSE_CANCEL,
1553       _("Answer"), GTK_RESPONSE_ACCEPT,
1554       NULL);
1555
1556   g_signal_connect (self->priv->incoming_call_dialog, "response",
1557       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1558   gtk_widget_show (self->priv->incoming_call_dialog);
1559 }
1560
1561 static void
1562 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1563     guint domain,
1564     gint code,
1565     gchar *message,
1566     EmpathyCallWindow *self)
1567 {
1568   tp_clear_object (&self->priv->pending_cdo);
1569   tp_clear_object (&self->priv->pending_channel);
1570   tp_clear_object (&self->priv->pending_context);
1571
1572   /* We don't know if the incoming call has been accepted or not, so we
1573    * assume it hasn't and if it has, we'll set the proper status when
1574    * we get the new handler. */
1575   empathy_call_window_status_message (self, _("Disconnected"));
1576   self->priv->call_state = DISCONNECTED;
1577
1578   gtk_widget_destroy (self->priv->incoming_call_dialog);
1579   self->priv->incoming_call_dialog = NULL;
1580 }
1581
1582 void
1583 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1584     TpCallChannel *channel,
1585     TpChannelDispatchOperation *dispatch_operation,
1586     TpAddDispatchOperationContext *context)
1587 {
1588   g_assert (self->priv->pending_channel == NULL);
1589   g_assert (self->priv->pending_context == NULL);
1590   g_assert (self->priv->pending_cdo == NULL);
1591
1592   /* Start ringing and delay until the user answers or hangs. */
1593   self->priv->pending_channel = g_object_ref (channel);
1594   self->priv->pending_context = g_object_ref (context);
1595   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1596
1597   g_signal_connect (self->priv->pending_cdo, "invalidated",
1598       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1599
1600   empathy_call_window_set_state_ringing (self);
1601   tp_add_dispatch_operation_context_accept (context);
1602 }
1603
1604 static void
1605 mic_button_clicked (GtkWidget *button,
1606     EmpathyCallWindow *self)
1607 {
1608   /* Toggle the muted state. We rely on audio_input_mute_notify_cb to update
1609    * the icon. */
1610   empathy_audio_src_set_mute (EMPATHY_GST_AUDIO_SRC (self->priv->audio_input),
1611       !self->priv->muted);
1612 }
1613
1614 static void
1615 empathy_call_window_init (EmpathyCallWindow *self)
1616 {
1617   EmpathyCallWindowPriv *priv;
1618   GtkBuilder *gui;
1619   GtkWidget *top_vbox;
1620   gchar *filename;
1621   ClutterConstraint *constraint;
1622   ClutterActor *remote_avatar;
1623   ClutterColor black = { 0, 0, 0, 0 };
1624   ClutterMargin overlay_margin = { OVERLAY_MARGIN, OVERLAY_MARGIN,
1625     OVERLAY_MARGIN, OVERLAY_MARGIN };
1626
1627   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1628     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1629
1630   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1631   priv->timer = g_timer_new ();
1632
1633   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1634   gui = tpaw_builder_get_file (filename,
1635     "call_window_vbox", &top_vbox,
1636     "errors_vbox", &priv->errors_vbox,
1637     "pane", &priv->pane,
1638     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1639     "remote_user_status_toolbar", &priv->remote_user_status_toolbar,
1640     "remote_user_avatar_toolbar", &priv->remote_user_avatar_toolbar,
1641     "status_label", &priv->status_label,
1642     "audiocall", &priv->audio_call_button,
1643     "videocall", &priv->video_call_button,
1644     "microphone", &priv->mic_button,
1645     "microphone_icon", &priv->microphone_icon,
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   tpaw_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     "menudebuggst", "activate", empathy_call_window_debug_gst_cb,
1681     "menudebugtp", "activate", empathy_call_window_debug_tp_cb,
1682     "menuabout", "activate", empathy_call_window_about_cb,
1683     "menupreviewdisable", "activate", empathy_call_window_disable_camera_cb,
1684     "menupreviewminimise", "activate", empathy_call_window_minimise_camera_cb,
1685     "menupreviewmaximise", "activate", empathy_call_window_maximise_camera_cb,
1686     "menupreviewswap", "activate", empathy_call_window_swap_camera_cb,
1687     NULL);
1688
1689   empathy_set_css_provider (GTK_WIDGET (self));
1690   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1691
1692   priv->camera_monitor = tpaw_camera_monitor_dup_singleton ();
1693   empathy_call_window_update_swap_camera (self);
1694
1695   g_object_bind_property (priv->camera_monitor, "available",
1696       priv->camera_button, "sensitive",
1697       G_BINDING_SYNC_CREATE);
1698
1699   g_signal_connect (priv->camera_monitor, "added",
1700       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1701   g_signal_connect (priv->camera_monitor, "removed",
1702       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1703
1704   g_signal_connect (priv->mic_button, "clicked",
1705       G_CALLBACK (mic_button_clicked), self);
1706
1707   g_mutex_init (&priv->lock);
1708
1709   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1710
1711   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1712       CONTENT_HBOX_SPACING);
1713   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1714       TRUE, TRUE, 0);
1715
1716   /* main contents remote avatar/video box */
1717   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_FILL,
1718       CLUTTER_BIN_ALIGNMENT_FILL);
1719
1720   priv->video_box = clutter_box_new (priv->video_layout);
1721
1722   priv->video_container = gtk_clutter_embed_new ();
1723
1724   gtk_widget_set_size_request (priv->video_container,
1725       REMOTE_VIDEO_DEFAULT_WIDTH, REMOTE_VIDEO_DEFAULT_HEIGHT);
1726
1727   /* Set the background black */
1728   clutter_stage_set_color (
1729       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1730           GTK_CLUTTER_EMBED (priv->video_container))),
1731       &black);
1732
1733   clutter_container_add (
1734       CLUTTER_CONTAINER (gtk_clutter_embed_get_stage (
1735           GTK_CLUTTER_EMBED (priv->video_container))),
1736       priv->video_box,
1737       NULL);
1738
1739   constraint = clutter_bind_constraint_new (
1740       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1741       CLUTTER_BIND_SIZE, 0);
1742   clutter_actor_add_constraint (priv->video_box, constraint);
1743
1744   priv->remote_user_avatar_widget = gtk_image_new ();
1745   remote_avatar = gtk_clutter_actor_new_with_contents (
1746       priv->remote_user_avatar_widget);
1747   make_background_transparent (GTK_CLUTTER_ACTOR (remote_avatar));
1748
1749   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1750       remote_avatar);
1751
1752   /* create the overlay bin */
1753   priv->overlay_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1754     CLUTTER_BIN_ALIGNMENT_CENTER);
1755   priv->overlay_bin = clutter_actor_new ();
1756   clutter_actor_set_layout_manager (priv->overlay_bin, priv->overlay_layout);
1757
1758   clutter_actor_set_margin (priv->overlay_bin, &overlay_margin);
1759
1760   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1761       priv->overlay_bin,
1762       CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_FILL);
1763
1764   empathy_call_window_create_preview_rectangles (self);
1765
1766   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1767       priv->video_container, TRUE, TRUE,
1768       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1769
1770   create_pipeline (self);
1771   create_video_output_widget (self);
1772   create_audio_input (self);
1773   create_video_input (self);
1774
1775   priv->floating_toolbar = gtk_clutter_actor_new ();
1776   clutter_actor_set_reactive (priv->floating_toolbar, TRUE);
1777   make_background_transparent (GTK_CLUTTER_ACTOR (priv->floating_toolbar));
1778
1779   gtk_style_context_add_class (
1780       gtk_widget_get_style_context (GTK_WIDGET (priv->bottom_toolbar)),
1781       GTK_STYLE_CLASS_OSD);
1782   gtk_widget_reparent (priv->bottom_toolbar,
1783       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1784
1785   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->overlay_layout),
1786       priv->floating_toolbar,
1787       CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_END);
1788
1789   clutter_actor_raise_top (priv->floating_toolbar);
1790
1791   /* Transitions for the floating toolbar */
1792   priv->transitions = clutter_state_new ();
1793
1794   /* all transitions last for 2s */
1795   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1796
1797   /* transition from any state to "fade-out" state */
1798   clutter_state_set (priv->transitions, NULL, "fade-out",
1799       priv->floating_toolbar,
1800       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1801       NULL);
1802
1803   /* transition from any state to "fade-in" state */
1804   clutter_state_set (priv->transitions, NULL, "fade-in",
1805       priv->floating_toolbar,
1806       "opacity", CLUTTER_EASE_OUT_QUAD, 255,
1807       NULL);
1808
1809   /* put the actor into the "fade-in" state with no animation */
1810   clutter_state_warp_to_state (priv->transitions, "fade-in");
1811
1812   /* The call will be started as soon the pipeline is playing */
1813   priv->start_call_when_playing = TRUE;
1814
1815   priv->dtmf_panel = empathy_dialpad_widget_new ();
1816   g_signal_connect (priv->dtmf_panel, "start-tone",
1817       G_CALLBACK (dtmf_start_tone_cb), self);
1818
1819   gtk_box_pack_start (GTK_BOX (priv->pane), priv->dtmf_panel,
1820       FALSE, FALSE, 6);
1821
1822   gtk_box_pack_start (GTK_BOX (priv->pane), priv->details_vbox,
1823       FALSE, FALSE, 0);
1824
1825   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1826
1827   gtk_widget_show_all (top_vbox);
1828
1829   gtk_widget_hide (priv->dtmf_panel);
1830   gtk_widget_hide (priv->details_vbox);
1831
1832   priv->fullscreen = empathy_call_window_fullscreen_new (self);
1833
1834   empathy_call_window_fullscreen_set_video_widget (priv->fullscreen,
1835       priv->video_container);
1836
1837   /* We hide the bottom toolbar after 3s of inactivity and show it
1838    * again on mouse movement */
1839   priv->inactivity_src = g_timeout_add_seconds (3,
1840       empathy_call_window_toolbar_timeout, self);
1841
1842   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1843       "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self);
1844
1845   g_signal_connect (G_OBJECT (self), "realize",
1846     G_CALLBACK (empathy_call_window_realized_cb), self);
1847
1848   g_signal_connect (G_OBJECT (self), "delete-event",
1849     G_CALLBACK (empathy_call_window_delete_cb), self);
1850
1851   g_signal_connect (G_OBJECT (self), "window-state-event",
1852     G_CALLBACK (empathy_call_window_state_event_cb), self);
1853
1854   g_signal_connect (G_OBJECT (self), "key-press-event",
1855       G_CALLBACK (empathy_call_window_key_press_cb), self);
1856
1857   g_signal_connect (self, "motion-notify-event",
1858       G_CALLBACK (empathy_call_window_motion_notify_cb), self);
1859
1860   g_object_ref (priv->ui_manager);
1861   g_object_unref (gui);
1862
1863   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1864   priv->mic_menu = empathy_mic_menu_new (self);
1865   priv->camera_menu = empathy_camera_menu_new (self);
1866
1867   empathy_call_window_show_hangup_button (self, TRUE);
1868
1869   gtk_window_set_default_size (GTK_WINDOW (self), 580, 480);
1870
1871   empathy_geometry_bind (GTK_WINDOW (self), "call-window");
1872   /* These signals are used to track the window position and save it
1873    * when the window is destroyed. We need to do this as we don't want
1874    * the window geometry to be saved with the dialpad taken into account. */
1875   g_signal_connect (self, "destroy",
1876       G_CALLBACK (empathy_call_window_destroyed_cb), self);
1877   g_signal_connect (self, "configure-event",
1878       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1879   g_signal_connect (self, "window-state-event",
1880       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1881
1882   /* Don't display labels in both toolbars */
1883   gtk_toolbar_set_style (GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
1884 }
1885
1886 /* Instead of specifying a width and a height, we specify only one size. That's
1887    because we want a square avatar icon.  */
1888 static void
1889 init_contact_avatar_with_size (EmpathyContact *contact,
1890     GtkWidget *image_widget,
1891     gint size)
1892 {
1893   GdkPixbuf *pixbuf_avatar = NULL;
1894
1895   if (contact != NULL)
1896     {
1897       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1898         size, size);
1899     }
1900
1901   if (pixbuf_avatar == NULL)
1902     {
1903       pixbuf_avatar = tpaw_pixbuf_from_icon_name_sized (
1904           TPAW_IMAGE_AVATAR_DEFAULT, size);
1905     }
1906
1907   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1908
1909   if (pixbuf_avatar != NULL)
1910     g_object_unref (pixbuf_avatar);
1911 }
1912
1913 static void
1914 set_window_title (EmpathyCallWindow *self)
1915 {
1916   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1917   gchar *tmp;
1918
1919   if (priv->contact != NULL)
1920     {
1921       /* translators: Call is a noun and %s is the contact name. This string
1922        * is used in the window title */
1923       tmp = g_strdup_printf (_("Call with %s"),
1924           empathy_contact_get_alias (priv->contact));
1925       gtk_window_set_title (GTK_WINDOW (self), tmp);
1926       g_free (tmp);
1927     }
1928   else
1929     {
1930       g_warning ("Unknown remote contact!");
1931     }
1932 }
1933
1934 static void
1935 set_remote_user_name (EmpathyCallWindow *self,
1936   EmpathyContact *contact)
1937 {
1938   const gchar *alias = empathy_contact_get_alias (contact);
1939   const gchar *status = empathy_contact_get_status (contact);
1940
1941   gtk_label_set_text (GTK_LABEL (self->priv->remote_user_name_toolbar), alias);
1942
1943   if (status != NULL) {
1944     gchar *markup;
1945
1946     markup = g_markup_printf_escaped ("<small>%s</small>", status);
1947     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1948       markup);
1949     g_free (markup);
1950   } else {
1951     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1952       "");
1953   }
1954 }
1955
1956 static void
1957 contact_name_changed_cb (EmpathyContact *contact,
1958     GParamSpec *pspec,
1959     EmpathyCallWindow *self)
1960 {
1961   set_window_title (self);
1962   set_remote_user_name (self, contact);
1963 }
1964
1965 static void
1966 contact_presence_changed_cb (EmpathyContact *contact,
1967     GParamSpec *pspec,
1968     EmpathyCallWindow *self)
1969 {
1970   set_remote_user_name (self, contact);
1971 }
1972
1973 static void
1974 contact_avatar_changed_cb (EmpathyContact *contact,
1975     GParamSpec *pspec,
1976     EmpathyCallWindow *self)
1977 {
1978   int size;
1979   GtkAllocation allocation;
1980   GtkWidget *avatar_widget;
1981
1982   avatar_widget = self->priv->remote_user_avatar_widget;
1983
1984   gtk_widget_get_allocation (avatar_widget, &allocation);
1985   size = allocation.height;
1986
1987   if (size == 0)
1988     {
1989       /* the widget is not allocated yet, set a default size */
1990       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1991           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1992     }
1993
1994   init_contact_avatar_with_size (contact, avatar_widget, size);
1995
1996   avatar_widget = self->priv->remote_user_avatar_toolbar;
1997
1998   gtk_widget_get_allocation (avatar_widget, &allocation);
1999   size = allocation.height;
2000
2001   if (size == 0)
2002     {
2003       /* the widget is not allocated yet, set a default size */
2004       size = SMALL_TOOLBAR_SIZE;
2005     }
2006
2007   init_contact_avatar_with_size (contact, avatar_widget, size);
2008 }
2009
2010 static void
2011 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2012     EmpathyCallHandler *handler)
2013 {
2014   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2015
2016   tp_g_signal_connect_object (priv->contact, "notify::name",
2017       G_CALLBACK (contact_name_changed_cb), self, 0);
2018   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2019     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2020   tp_g_signal_connect_object (priv->contact, "notify::presence",
2021       G_CALLBACK (contact_presence_changed_cb), self, 0);
2022
2023   set_window_title (self);
2024   set_remote_user_name (self, priv->contact);
2025
2026   init_contact_avatar_with_size (priv->contact,
2027       priv->remote_user_avatar_widget,
2028       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2029           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2030
2031   init_contact_avatar_with_size (priv->contact,
2032       priv->remote_user_avatar_toolbar,
2033       SMALL_TOOLBAR_SIZE);
2034
2035   /* The remote avatar is shown by default and will be hidden when we receive
2036      video from the remote side. */
2037   clutter_actor_hide (priv->video_output);
2038   gtk_widget_show (priv->remote_user_avatar_widget);
2039 }
2040
2041 static void
2042 update_send_codec (EmpathyCallWindow *self,
2043     gboolean audio)
2044 {
2045   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2046   FsCodec *codec;
2047   GtkWidget *widget;
2048   gchar *tmp;
2049
2050   if (audio)
2051     {
2052       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2053       widget = priv->acodec_encoding_label;
2054     }
2055   else
2056     {
2057       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2058       widget = priv->vcodec_encoding_label;
2059     }
2060
2061   if (codec == NULL)
2062     return;
2063
2064   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2065   gtk_label_set_text (GTK_LABEL (widget), tmp);
2066   g_free (tmp);
2067 }
2068
2069 static void
2070 send_audio_codec_notify_cb (GObject *object,
2071     GParamSpec *pspec,
2072     gpointer user_data)
2073 {
2074   EmpathyCallWindow *self = user_data;
2075
2076   update_send_codec (self, TRUE);
2077 }
2078
2079 static void
2080 send_video_codec_notify_cb (GObject *object,
2081     GParamSpec *pspec,
2082     gpointer user_data)
2083 {
2084   EmpathyCallWindow *self = user_data;
2085
2086   update_send_codec (self, FALSE);
2087 }
2088
2089 static void
2090 update_recv_codec (EmpathyCallWindow *self,
2091     gboolean audio)
2092 {
2093   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2094   GList *codecs, *l;
2095   GtkWidget *widget;
2096   GString *str = NULL;
2097
2098   if (audio)
2099     {
2100       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2101       widget = priv->acodec_decoding_label;
2102     }
2103   else
2104     {
2105       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2106       widget = priv->vcodec_decoding_label;
2107     }
2108
2109   if (codecs == NULL)
2110     return;
2111
2112   for (l = codecs; l != NULL; l = g_list_next (l))
2113     {
2114       FsCodec *codec = l->data;
2115
2116       if (str == NULL)
2117         str = g_string_new (NULL);
2118       else
2119         g_string_append (str, ", ");
2120
2121       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2122           codec->clock_rate);
2123     }
2124
2125   gtk_label_set_text (GTK_LABEL (widget), str->str);
2126   g_string_free (str, TRUE);
2127 }
2128
2129 static void
2130 recv_audio_codecs_notify_cb (GObject *object,
2131     GParamSpec *pspec,
2132     gpointer user_data)
2133 {
2134   EmpathyCallWindow *self = user_data;
2135
2136   update_recv_codec (self, TRUE);
2137 }
2138
2139 static void
2140 recv_video_codecs_notify_cb (GObject *object,
2141     GParamSpec *pspec,
2142     gpointer user_data)
2143 {
2144   EmpathyCallWindow *self = user_data;
2145
2146   update_recv_codec (self, FALSE);
2147 }
2148
2149 static const gchar *
2150 candidate_type_to_str (FsCandidate *candidate)
2151 {
2152   switch (candidate->type)
2153     {
2154       case FS_CANDIDATE_TYPE_HOST:
2155         return "host";
2156       case FS_CANDIDATE_TYPE_SRFLX:
2157         return "server reflexive";
2158       case FS_CANDIDATE_TYPE_PRFLX:
2159         return "peer reflexive";
2160       case FS_CANDIDATE_TYPE_RELAY:
2161         return "relay";
2162       case FS_CANDIDATE_TYPE_MULTICAST:
2163         return "multicast";
2164     }
2165
2166   return NULL;
2167 }
2168
2169 static const gchar *
2170 candidate_type_to_desc (FsCandidate *candidate)
2171 {
2172   switch (candidate->type)
2173     {
2174       case FS_CANDIDATE_TYPE_HOST:
2175         return _("The IP address as seen by the machine");
2176       case FS_CANDIDATE_TYPE_SRFLX:
2177         return _("The IP address as seen by a server on the Internet");
2178       case FS_CANDIDATE_TYPE_PRFLX:
2179         return _("The IP address of the peer as seen by the other side");
2180       case FS_CANDIDATE_TYPE_RELAY:
2181         return _("The IP address of a relay server");
2182       case FS_CANDIDATE_TYPE_MULTICAST:
2183         return _("The IP address of the multicast group");
2184     }
2185
2186   return NULL;
2187 }
2188
2189 static void
2190 update_candidat_widget (EmpathyCallWindow *self,
2191     GtkWidget *label,
2192     GtkWidget *img,
2193     FsCandidate *candidate)
2194 {
2195   gchar *str;
2196
2197   g_assert (candidate != NULL);
2198   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2199       candidate->port, candidate_type_to_str (candidate));
2200
2201   gtk_label_set_text (GTK_LABEL (label), str);
2202   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2203
2204   g_free (str);
2205 }
2206
2207 static void
2208 candidates_changed_cb (GObject *object,
2209     FsMediaType type,
2210     EmpathyCallWindow *self)
2211 {
2212   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2213   FsCandidate *candidate = NULL;
2214
2215   if (type == FS_MEDIA_TYPE_VIDEO)
2216     {
2217       /* Update remote candidate */
2218       candidate = empathy_call_handler_get_video_remote_candidate (
2219           priv->handler);
2220
2221       update_candidat_widget (self, priv->video_remote_candidate_label,
2222           priv->video_remote_candidate_info_img, candidate);
2223
2224       /* Update local candidate */
2225       candidate = empathy_call_handler_get_video_local_candidate (
2226           priv->handler);
2227
2228       update_candidat_widget (self, priv->video_local_candidate_label,
2229           priv->video_local_candidate_info_img, candidate);
2230     }
2231   else
2232     {
2233       /* Update remote candidate */
2234       candidate = empathy_call_handler_get_audio_remote_candidate (
2235           priv->handler);
2236
2237       update_candidat_widget (self, priv->audio_remote_candidate_label,
2238           priv->audio_remote_candidate_info_img, candidate);
2239
2240       /* Update local candidate */
2241       candidate = empathy_call_handler_get_audio_local_candidate (
2242           priv->handler);
2243
2244       update_candidat_widget (self, priv->audio_local_candidate_label,
2245           priv->audio_local_candidate_info_img, candidate);
2246     }
2247 }
2248
2249 static void
2250 empathy_call_window_constructed (GObject *object)
2251 {
2252   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2253   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2254   TpCallChannel *call;
2255   TpCallState state;
2256
2257   g_assert (priv->handler != NULL);
2258
2259   g_object_get (priv->handler, "call-channel", &call, NULL);
2260   state = tp_call_channel_get_state (call, NULL, NULL, NULL);
2261   priv->outgoing = (state == TP_CALL_STATE_PENDING_INITIATOR);
2262   tp_clear_object (&call);
2263
2264   priv->contact = empathy_call_handler_get_contact (priv->handler);
2265   g_assert (priv->contact != NULL);
2266   g_object_ref (priv->contact);
2267
2268   if (!empathy_contact_can_voip_video (priv->contact))
2269     {
2270       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2271       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2272     }
2273
2274   empathy_call_window_setup_avatars (self, priv->handler);
2275   empathy_call_window_set_state_connecting (self);
2276
2277   if (!empathy_call_handler_has_initial_video (priv->handler))
2278     {
2279       gtk_toggle_button_set_active (
2280           GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
2281     }
2282   /* If call has InitialVideo, the preview will be started once the call has
2283    * been started (start_call()). */
2284
2285   update_send_codec (self, TRUE);
2286   update_send_codec (self, FALSE);
2287   update_recv_codec (self, TRUE);
2288   update_recv_codec (self, FALSE);
2289
2290   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2291       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2292   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2293       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2294   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2295       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2296   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2297       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2298
2299   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2300       G_CALLBACK (candidates_changed_cb), self, 0);
2301 }
2302
2303 static void empathy_call_window_dispose (GObject *object);
2304 static void empathy_call_window_finalize (GObject *object);
2305
2306 static void
2307 empathy_call_window_set_property (GObject *object,
2308   guint property_id, const GValue *value, GParamSpec *pspec)
2309 {
2310   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2311
2312   switch (property_id)
2313     {
2314       case PROP_CALL_HANDLER:
2315         priv->handler = g_value_dup_object (value);
2316         break;
2317       default:
2318         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2319     }
2320 }
2321
2322 static void
2323 empathy_call_window_get_property (GObject *object,
2324   guint property_id, GValue *value, GParamSpec *pspec)
2325 {
2326   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2327
2328   switch (property_id)
2329     {
2330       case PROP_CALL_HANDLER:
2331         g_value_set_object (value, priv->handler);
2332         break;
2333       default:
2334         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2335     }
2336 }
2337
2338 static void
2339 empathy_call_window_class_init (
2340   EmpathyCallWindowClass *empathy_call_window_class)
2341 {
2342   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2343   GParamSpec *param_spec;
2344
2345   g_type_class_add_private (empathy_call_window_class,
2346     sizeof (EmpathyCallWindowPriv));
2347
2348   object_class->constructed = empathy_call_window_constructed;
2349   object_class->set_property = empathy_call_window_set_property;
2350   object_class->get_property = empathy_call_window_get_property;
2351
2352   object_class->dispose = empathy_call_window_dispose;
2353   object_class->finalize = empathy_call_window_finalize;
2354
2355   param_spec = g_param_spec_object ("handler",
2356     "handler", "The call handler",
2357     EMPATHY_TYPE_CALL_HANDLER,
2358     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2359   g_object_class_install_property (object_class,
2360     PROP_CALL_HANDLER, param_spec);
2361
2362   signals[SIG_INHIBIT] = g_signal_new ("inhibit",
2363       G_OBJECT_CLASS_TYPE (empathy_call_window_class),
2364       G_SIGNAL_RUN_LAST,
2365       0, NULL, NULL, NULL,
2366       G_TYPE_NONE,
2367       1, G_TYPE_BOOLEAN);
2368 }
2369
2370 void
2371 empathy_call_window_dispose (GObject *object)
2372 {
2373   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2374   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2375
2376   if (priv->dispose_has_run)
2377     return;
2378
2379   priv->dispose_has_run = TRUE;
2380
2381   if (priv->handler != NULL)
2382     {
2383       empathy_call_handler_stop_call (priv->handler);
2384       tp_clear_object (&priv->handler);
2385     }
2386
2387   if (priv->bus_message_source_id != 0)
2388     {
2389       g_source_remove (priv->bus_message_source_id);
2390       priv->bus_message_source_id = 0;
2391     }
2392
2393   if (priv->got_video_src > 0)
2394     {
2395       g_source_remove (priv->got_video_src);
2396       priv->got_video_src = 0;
2397     }
2398
2399   if (priv->inactivity_src > 0)
2400     {
2401       g_source_remove (priv->inactivity_src);
2402       priv->inactivity_src = 0;
2403     }
2404
2405   tp_clear_object (&priv->pipeline);
2406   tp_clear_object (&priv->video_input);
2407   tp_clear_object (&priv->audio_input);
2408   tp_clear_object (&priv->video_tee);
2409   tp_clear_object (&priv->ui_manager);
2410   tp_clear_object (&priv->fullscreen);
2411   tp_clear_object (&priv->camera_monitor);
2412   tp_clear_object (&priv->settings);
2413   tp_clear_object (&priv->sound_mgr);
2414   tp_clear_object (&priv->mic_menu);
2415   tp_clear_object (&priv->camera_menu);
2416   tp_clear_object (&priv->transitions);
2417
2418   g_list_free_full (priv->notifiers, g_object_unref);
2419
2420   if (priv->timer_id != 0)
2421     g_source_remove (priv->timer_id);
2422   priv->timer_id = 0;
2423
2424   tp_clear_object (&priv->contact);
2425
2426   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2427 }
2428
2429 static void
2430 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2431 {
2432   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2433
2434   if (priv->video_output_motion_handler_id != 0)
2435     {
2436       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2437           priv->video_output_motion_handler_id);
2438       priv->video_output_motion_handler_id = 0;
2439     }
2440 }
2441
2442 void
2443 empathy_call_window_finalize (GObject *object)
2444 {
2445   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2446   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2447
2448   disconnect_video_output_motion_handler (self);
2449
2450   /* free any data held directly by the object here */
2451   g_mutex_clear (&priv->lock);
2452
2453   g_timer_destroy (priv->timer);
2454
2455   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2456 }
2457
2458
2459 EmpathyCallWindow *
2460 empathy_call_window_new (EmpathyCallHandler *handler)
2461 {
2462   return EMPATHY_CALL_WINDOW (
2463     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2464 }
2465
2466 void
2467 empathy_call_window_new_handler (EmpathyCallWindow *self,
2468     EmpathyCallHandler *handler,
2469     gboolean present,
2470     guint32 x11_time)
2471 {
2472   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2473
2474   if (present)
2475     tpaw_window_present_with_time (GTK_WINDOW (self), x11_time);
2476
2477   if (self->priv->call_state == DISCONNECTED)
2478     {
2479       /* start a new call if one is not already in progress */
2480       tp_clear_object (&self->priv->handler);
2481       self->priv->handler = g_object_ref (handler);
2482       empathy_call_window_connect_handler (self);
2483
2484       empathy_call_window_restart_call (self);
2485     }
2486 }
2487
2488 static void
2489 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2490   GstElement *conference, gpointer user_data)
2491 {
2492   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2493   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2494   FsElementAddedNotifier *notifier;
2495   GKeyFile *keyfile;
2496
2497   DEBUG ("Conference added");
2498
2499   /* Add notifier to set the various element properties as needed */
2500   notifier = fs_element_added_notifier_new ();
2501   keyfile = fs_utils_get_default_element_properties (conference);
2502
2503   if (keyfile != NULL)
2504     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2505
2506   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2507
2508   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2509
2510   gst_bin_add (GST_BIN (priv->pipeline), conference);
2511   gst_element_set_state (conference, GST_STATE_PLAYING);
2512 }
2513
2514 static void
2515 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2516   GstElement *conference, gpointer user_data)
2517 {
2518   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2519   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2520
2521   g_list_free_full (priv->notifiers, g_object_unref);
2522   priv->notifiers = NULL;
2523
2524   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2525   gst_element_set_state (conference, GST_STATE_NULL);
2526 }
2527
2528 static gboolean
2529 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2530 {
2531   GstStateChangeReturn state_change_return;
2532   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2533
2534   if (priv->pipeline == NULL)
2535     return TRUE;
2536
2537   if (priv->bus_message_source_id != 0)
2538     {
2539       g_source_remove (priv->bus_message_source_id);
2540       priv->bus_message_source_id = 0;
2541     }
2542
2543   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2544
2545   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2546         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2547     {
2548       if (priv->pipeline != NULL)
2549         g_object_unref (priv->pipeline);
2550       priv->pipeline = NULL;
2551
2552       if (priv->audio_output != NULL)
2553         g_object_unref (priv->audio_output);
2554       priv->audio_output = NULL;
2555       priv->audio_output_added = FALSE;
2556
2557       if (priv->video_tee != NULL)
2558         g_object_unref (priv->video_tee);
2559       priv->video_tee = NULL;
2560
2561       if (priv->video_preview != NULL)
2562         clutter_actor_destroy (priv->video_preview);
2563       priv->video_preview = NULL;
2564
2565       /* If we destroy the preview while it's being dragged, we won't
2566        * get the ::drag-end signal, so manually destroy the clone */
2567       if (priv->drag_preview != NULL)
2568         {
2569           clutter_actor_destroy (priv->drag_preview);
2570           empathy_call_window_show_preview_rectangles (self, FALSE);
2571           priv->drag_preview = NULL;
2572         }
2573
2574       priv->funnel = NULL;
2575
2576       create_pipeline (self);
2577       /* Call will be started when user will hit the 'redial' button */
2578       priv->start_call_when_playing = FALSE;
2579       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2580
2581       return TRUE;
2582     }
2583   else
2584     {
2585       g_message ("Error: could not destroy pipeline. Closing call window");
2586       gtk_widget_destroy (GTK_WIDGET (self));
2587
2588       return FALSE;
2589     }
2590 }
2591
2592 static void
2593 reset_details_pane (EmpathyCallWindow *self)
2594 {
2595   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2596
2597   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2598   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2599   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2600   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2601 }
2602
2603 static gboolean
2604 empathy_call_window_disconnected (EmpathyCallWindow *self,
2605     gboolean restart)
2606 {
2607   gboolean could_disconnect = FALSE;
2608   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2609   gboolean could_reset_pipeline;
2610
2611   /* Leave full screen mode if needed */
2612   gtk_window_unfullscreen (GTK_WINDOW (self));
2613
2614   g_signal_emit (self, signals[SIG_INHIBIT], 0, FALSE);
2615
2616   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2617   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2618
2619   /* Create the video input and then turn on the camera
2620    * menu, so that the active camera gets marked as such.
2621    */
2622   if (priv->video_input == NULL)
2623     create_video_input (self);
2624   empathy_camera_menu_set_sensitive (priv->camera_menu, TRUE);
2625
2626   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2627
2628   if (priv->call_state == CONNECTING)
2629       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2630
2631   if (priv->call_state != REDIALING)
2632     priv->call_state = DISCONNECTED;
2633
2634   /* Show the toolbar */
2635   clutter_state_set_state (priv->transitions, "fade-in");
2636
2637   if (could_reset_pipeline)
2638     {
2639       g_mutex_lock (&priv->lock);
2640
2641       g_timer_stop (priv->timer);
2642
2643       if (priv->timer_id != 0)
2644         g_source_remove (priv->timer_id);
2645       priv->timer_id = 0;
2646
2647       g_mutex_unlock (&priv->lock);
2648
2649       if (!restart)
2650         /* We are about to destroy the window, no need to update it or create
2651          * a video preview */
2652         return TRUE;
2653
2654       empathy_call_window_status_message (self, _("Disconnected"));
2655
2656       empathy_call_window_show_hangup_button (self, FALSE);
2657
2658       /* Unsensitive the camera and mic button */
2659       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2660       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2661
2662       /* Be sure that the mic button is enabled */
2663       empathy_audio_src_set_mute (
2664           EMPATHY_GST_AUDIO_SRC (self->priv->audio_input), FALSE);
2665
2666       if (priv->camera_state == CAMERA_STATE_ON)
2667         {
2668           /* Restart the preview with the new pipeline. */
2669           display_video_preview (self, TRUE);
2670         }
2671
2672       /* destroy the video output; it will be recreated when we'll redial */
2673       disconnect_video_output_motion_handler (self);
2674       if (priv->video_output != NULL)
2675         clutter_actor_destroy (priv->video_output);
2676       priv->video_output = NULL;
2677       if (priv->got_video_src > 0)
2678         {
2679           g_source_remove (priv->got_video_src);
2680           priv->got_video_src = 0;
2681         }
2682
2683       gtk_widget_show (priv->remote_user_avatar_widget);
2684
2685       reset_details_pane (self);
2686
2687       priv->sending_video = FALSE;
2688       priv->call_started = FALSE;
2689
2690       could_disconnect = TRUE;
2691
2692       /* TODO: display the self avatar of the preview (depends if the "Always
2693        * Show Video Preview" is enabled or not) */
2694     }
2695
2696   return could_disconnect;
2697 }
2698
2699
2700 static void
2701 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2702     gpointer user_data)
2703 {
2704   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2705   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2706
2707   if (empathy_call_window_disconnected (self, TRUE) &&
2708       priv->call_state == REDIALING)
2709       empathy_call_window_restart_call (self);
2710 }
2711
2712 static gboolean
2713 empathy_call_window_content_is_raw (TfContent *content)
2714 {
2715   FsConference *conference;
2716   gboolean israw;
2717
2718   g_object_get (content, "fs-conference", &conference, NULL);
2719   g_assert (conference != NULL);
2720
2721   /* FIXME: Ugly hack, update when moving a packetization property into
2722    * farstream */
2723   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2724   gst_object_unref (conference);
2725
2726   return israw;
2727 }
2728
2729 static gboolean
2730 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2731     TfContent *content,
2732     EmpathyCallWindow *self)
2733 {
2734   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2735   FsMediaType media_type;
2736
2737   DEBUG ("removing content");
2738
2739   g_object_get (content, "media-type", &media_type, NULL);
2740
2741   /*
2742    * This assumes that there is only one video stream per channel...
2743    */
2744
2745   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2746     {
2747       if (priv->funnel != NULL)
2748         {
2749           GstElement *output;
2750
2751           output = priv->video_output_sink;
2752
2753           gst_element_set_state (output, GST_STATE_NULL);
2754           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2755
2756           gst_bin_remove (GST_BIN (priv->pipeline), output);
2757           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2758           priv->funnel = NULL;
2759         }
2760     }
2761   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2762     {
2763       if (priv->audio_output != NULL)
2764         {
2765           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2766
2767           if (priv->audio_output_added)
2768             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2769           priv->audio_output = NULL;
2770           priv->audio_output_added = FALSE;
2771         }
2772     }
2773   else
2774     {
2775       g_assert_not_reached ();
2776     }
2777
2778   return TRUE;
2779 }
2780
2781 static void
2782 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2783     guint framerate,
2784     EmpathyCallWindow *self)
2785 {
2786   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2787
2788   DEBUG ("Framerate changed to %u", framerate);
2789
2790   if (priv->video_input != NULL)
2791     empathy_video_src_set_framerate (priv->video_input, framerate);
2792 }
2793
2794 static void
2795 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2796     guint width,
2797     guint height,
2798     EmpathyCallWindow *self)
2799 {
2800   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2801
2802   DEBUG ("Resolution changed to %ux%u", width, height);
2803
2804   if (priv->video_input != NULL)
2805     {
2806       empathy_video_src_set_resolution (priv->video_input, width, height);
2807     }
2808 }
2809
2810 /* Called with global lock held */
2811 static GstPad *
2812 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2813 {
2814   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2815   GstPad *pad;
2816   GstElement *output;
2817
2818   if (priv->funnel == NULL)
2819     {
2820       output = priv->video_output_sink;
2821       priv->funnel = gst_element_factory_make ("funnel", NULL);
2822
2823       if (!priv->funnel)
2824         {
2825           g_warning ("Could not create video funnel");
2826           return NULL;
2827         }
2828
2829       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2830         {
2831           gst_object_unref (priv->funnel);
2832           priv->funnel = NULL;
2833           g_warning ("Could  not add funnel to pipeline");
2834           return NULL;
2835         }
2836
2837       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2838         {
2839           g_warning ("Could not add the video output widget to the pipeline");
2840           goto error;
2841         }
2842
2843       if (!gst_element_link (priv->funnel, output))
2844         {
2845           g_warning ("Could not link output sink to funnel");
2846           goto error_output_added;
2847         }
2848
2849       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2850         {
2851           g_warning ("Could not start video sink");
2852           goto error_output_added;
2853         }
2854
2855       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2856         {
2857           g_warning ("Could not start funnel");
2858           goto error_output_added;
2859         }
2860     }
2861   pad = gst_element_get_request_pad (priv->funnel, "sink_%u");
2862
2863   if (!pad)
2864     g_warning ("Could not get request pad from funnel");
2865
2866   return pad;
2867
2868
2869  error_output_added:
2870
2871   gst_element_set_locked_state (priv->funnel, TRUE);
2872   gst_element_set_locked_state (output, TRUE);
2873
2874   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2875   gst_element_set_state (output, GST_STATE_NULL);
2876
2877   gst_bin_remove (GST_BIN (priv->pipeline), output);
2878   gst_element_set_locked_state (output, FALSE);
2879
2880  error:
2881
2882   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2883   priv->funnel = NULL;
2884
2885   return NULL;
2886 }
2887
2888 /* Called with global lock held */
2889 static GstPad *
2890 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2891   TfContent *content)
2892 {
2893   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2894   GstPad *pad;
2895   GstPadTemplate *template;
2896
2897   if (!priv->audio_output_added)
2898     {
2899       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2900         {
2901           g_warning ("Could not add audio sink to pipeline");
2902           g_object_unref (priv->audio_output);
2903           goto error_add_output;
2904         }
2905
2906       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2907         {
2908           g_warning ("Could not start audio sink");
2909           goto error;
2910         }
2911       priv->audio_output_added = TRUE;
2912     }
2913
2914   template = gst_element_class_get_pad_template (
2915     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2916
2917   pad = gst_element_request_pad (priv->audio_output,
2918     template, NULL, NULL);
2919
2920   if (pad == NULL)
2921     {
2922       g_warning ("Could not get sink pad from sink");
2923       return NULL;
2924     }
2925
2926   return pad;
2927
2928 error:
2929   gst_element_set_locked_state (priv->audio_output, TRUE);
2930   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2931   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2932   priv->audio_output = NULL;
2933
2934 error_add_output:
2935
2936   return NULL;
2937 }
2938
2939 static gboolean
2940 empathy_call_window_update_timer (gpointer user_data)
2941 {
2942   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2943   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2944   const gchar *status;
2945   gchar *str;
2946   gdouble time_;
2947
2948   time_ = g_timer_elapsed (priv->timer, NULL);
2949
2950   if (priv->call_state == HELD)
2951     status = _("On hold");
2952   else if (priv->call_state == DISCONNECTED)
2953     status = _("Disconnected");
2954   else if (priv->muted)
2955     status = _("Mute");
2956   else
2957     status = _("Duration");
2958
2959   /* Translators: 'status - minutes:seconds' the caller has been connected */
2960   str = g_strdup_printf (_("%s — %d:%02dm"),
2961       status,
2962       (int) time_ / 60, (int) time_ % 60);
2963   empathy_call_window_status_message (self, str);
2964   g_free (str);
2965
2966   return TRUE;
2967 }
2968
2969 enum
2970 {
2971   EMP_RESPONSE_BALANCE
2972 };
2973
2974 static void
2975 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2976     gint response_id,
2977     gpointer user_data)
2978 {
2979   switch (response_id)
2980     {
2981       case GTK_RESPONSE_CLOSE:
2982         gtk_widget_destroy (GTK_WIDGET (info_bar));
2983         break;
2984       case EMP_RESPONSE_BALANCE:
2985         empathy_url_show (GTK_WIDGET (info_bar),
2986             g_object_get_data (G_OBJECT (info_bar), "uri"));
2987         break;
2988     }
2989 }
2990
2991 static void
2992 display_error (EmpathyCallWindow *self,
2993     const gchar *img,
2994     const gchar *title,
2995     const gchar *desc,
2996     const gchar *details,
2997     const gchar *button_text,
2998     const gchar *uri,
2999     gint button_response)
3000 {
3001   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3002   GtkWidget *info_bar;
3003   GtkWidget *content_area;
3004   GtkWidget *hbox;
3005   GtkWidget *vbox;
3006   GtkWidget *image;
3007   GtkWidget *label;
3008   gchar *txt;
3009
3010   /* Create info bar */
3011   info_bar = gtk_info_bar_new ();
3012
3013   if (button_text != NULL)
3014     {
3015       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3016           button_text, button_response);
3017       g_object_set_data_full (G_OBJECT (info_bar),
3018           "uri", g_strdup (uri), g_free);
3019     }
3020
3021   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3022       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
3023
3024   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
3025
3026   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3027
3028   /* hbox containing the image and the messages vbox */
3029   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
3030   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3031
3032   /* Add image */
3033   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3034   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3035
3036   /* vbox containing the main message and the details expander */
3037   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
3038   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3039
3040   /* Add text */
3041   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3042
3043   label = gtk_label_new (NULL);
3044   gtk_label_set_markup (GTK_LABEL (label), txt);
3045   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3046   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3047   g_free (txt);
3048
3049   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3050
3051   /* Add details */
3052   if (details != NULL)
3053     {
3054       GtkWidget *expander;
3055
3056       expander = gtk_expander_new (_("Technical Details"));
3057
3058       txt = g_strdup_printf ("<i>%s</i>", details);
3059
3060       label = gtk_label_new (NULL);
3061       gtk_label_set_markup (GTK_LABEL (label), txt);
3062       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3063       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3064       g_free (txt);
3065
3066       gtk_container_add (GTK_CONTAINER (expander), label);
3067       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3068     }
3069
3070   g_signal_connect (info_bar, "response",
3071       G_CALLBACK (on_error_infobar_response_cb), NULL);
3072
3073   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3074       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3075   gtk_widget_show_all (info_bar);
3076 }
3077
3078 #if 0
3079 static gchar *
3080 media_stream_error_to_txt (EmpathyCallWindow *self,
3081     TpCallChannel *call,
3082     gboolean audio,
3083     TpMediaStreamError error)
3084 {
3085   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3086   const gchar *cm = NULL;
3087   gchar *url;
3088   gchar *result;
3089
3090   switch (error)
3091     {
3092       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3093         if (audio)
3094           return g_strdup_printf (
3095               _("%s's software does not understand any of the audio formats "
3096                 "supported by your computer"),
3097             empathy_contact_get_alias (priv->contact));
3098         else
3099           return g_strdup_printf (
3100               _("%s's software does not understand any of the video formats "
3101                 "supported by your computer"),
3102             empathy_contact_get_alias (priv->contact));
3103
3104       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3105         return g_strdup_printf (
3106             _("Can't establish a connection to %s. "
3107               "One of you might be on a network that does not allow "
3108               "direct connections."),
3109           empathy_contact_get_alias (priv->contact));
3110
3111       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3112           return g_strdup (_("There was a failure on the network"));
3113
3114       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3115         if (audio)
3116           return g_strdup (_("The audio formats necessary for this call "
3117                 "are not installed on your computer"));
3118         else
3119           return g_strdup (_("The video formats necessary for this call "
3120                 "are not installed on your computer"));
3121
3122       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3123         tp_connection_parse_object_path (
3124             tp_channel_get_connection (TP_CHANNEL (call)),
3125             NULL, &cm);
3126
3127         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3128             "product=Telepathy&amp;component=%s", cm);
3129
3130         result = g_strdup_printf (
3131             _("Something unexpected happened in a Telepathy component. "
3132               "Please <a href=\"%s\">report this bug</a> and attach "
3133               "logs gathered from the 'Debug' window in the Help menu."), url);
3134
3135         g_free (url);
3136         g_free (cm);
3137         return result;
3138
3139       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3140         return g_strdup (_("There was a failure in the call engine"));
3141
3142       case TP_MEDIA_STREAM_ERROR_EOS:
3143         return g_strdup (_("The end of the stream was reached"));
3144
3145       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3146       default:
3147         return NULL;
3148     }
3149 }
3150
3151 static void
3152 empathy_call_window_stream_error (EmpathyCallWindow *self,
3153     TpCallChannel *call,
3154     gboolean audio,
3155     guint code,
3156     const gchar *msg,
3157     const gchar *icon,
3158     const gchar *title)
3159 {
3160   gchar *desc;
3161
3162   desc = media_stream_error_to_txt (self, call, audio, code);
3163   if (desc == NULL)
3164     {
3165       /* No description, use the error message. That's not great as it's not
3166        * localized but it's better than nothing. */
3167       display_error (self, call, icon, title, msg, NULL);
3168     }
3169   else
3170     {
3171       display_error (self, call, icon, title, desc, msg);
3172       g_free (desc);
3173     }
3174 }
3175
3176 static void
3177 empathy_call_window_audio_stream_error (TpCallChannel *call,
3178     guint code,
3179     const gchar *msg,
3180     EmpathyCallWindow *self)
3181 {
3182   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3183       "gnome-stock-mic", _("Can't establish audio stream"));
3184 }
3185
3186 static void
3187 empathy_call_window_video_stream_error (TpCallChannel *call,
3188     guint code,
3189     const gchar *msg,
3190     EmpathyCallWindow *self)
3191 {
3192   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3193       "camera-web", _("Can't establish video stream"));
3194 }
3195 #endif
3196
3197 static void
3198 show_balance_error (EmpathyCallWindow *self)
3199 {
3200   TpChannel *call;
3201   TpConnection *conn;
3202   gchar *balance, *tmp;
3203   const gchar *uri, *currency;
3204   gint amount;
3205   guint scale;
3206
3207   g_object_get (self->priv->handler,
3208       "call-channel", &call,
3209       NULL);
3210
3211   conn = tp_channel_get_connection (call);
3212   g_object_unref (call);
3213
3214   uri = tp_connection_get_balance_uri (conn);
3215
3216   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3217     {
3218       /* unknown balance */
3219       balance = g_strdup ("(--)");
3220     }
3221   else
3222     {
3223       char *money = empathy_format_currency (amount, scale, currency);
3224
3225       balance = g_strdup_printf ("%s %s",
3226           currency, money);
3227       g_free (money);
3228     }
3229
3230   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3231
3232   display_error (self,
3233       NULL,
3234       _("Sorry, you don’t have enough credit for that call."),
3235       tmp, NULL,
3236       _("Top Up"),
3237       uri,
3238       EMP_RESPONSE_BALANCE);
3239
3240   g_free (tmp);
3241   g_free (balance);
3242 }
3243
3244 static void
3245 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3246     TpCallState state,
3247     gchar *reason,
3248     EmpathyCallWindow *self)
3249 {
3250   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3251   TpCallChannel *call;
3252   gboolean can_send_video;
3253
3254   if (state == TP_CALL_STATE_ENDED)
3255     {
3256       DEBUG ("Call ended: %s", (reason != NULL && reason[0] != '\0') ? reason : "unspecified reason");
3257       empathy_call_window_disconnected (self, TRUE);
3258       if (!tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3259           show_balance_error (self);
3260       return;
3261     }
3262
3263   if (state != TP_CALL_STATE_ACCEPTED)
3264     return;
3265
3266   if (priv->call_state == CONNECTED)
3267     return;
3268
3269   g_timer_start (priv->timer);
3270   priv->call_state = CONNECTED;
3271
3272   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3273
3274   can_send_video = priv->video_input != NULL &&
3275     empathy_contact_can_voip_video (priv->contact) &&
3276     tpaw_camera_monitor_get_available (priv->camera_monitor);
3277
3278   g_object_get (priv->handler, "call-channel", &call, NULL);
3279
3280   if (tp_call_channel_has_dtmf (call))
3281     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3282
3283   if (priv->video_input == NULL)
3284     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3285
3286   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3287
3288   empathy_call_window_show_hangup_button (self, TRUE);
3289
3290   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3291
3292   clutter_actor_hide (priv->video_output);
3293   gtk_widget_show (priv->remote_user_avatar_widget);
3294
3295   g_object_unref (call);
3296
3297   g_mutex_lock (&priv->lock);
3298
3299   priv->timer_id = g_timeout_add_seconds (1,
3300     empathy_call_window_update_timer, self);
3301
3302   g_mutex_unlock (&priv->lock);
3303
3304   empathy_call_window_update_timer (self);
3305
3306   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3307 }
3308
3309 static gboolean
3310 empathy_call_window_show_video_output_cb (gpointer user_data)
3311 {
3312   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3313
3314   if (self->priv->video_output != NULL)
3315     {
3316       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3317       clutter_actor_show (self->priv->video_output);
3318       clutter_actor_raise_top (self->priv->overlay_bin);
3319     }
3320
3321   return FALSE;
3322 }
3323
3324 static gboolean
3325 empathy_call_window_check_video_cb (gpointer data)
3326 {
3327   EmpathyCallWindow *self = data;
3328
3329   if (self->priv->got_video)
3330     {
3331       self->priv->got_video = FALSE;
3332       return TRUE;
3333     }
3334
3335   /* No video in the last N seconds, display the remote avatar */
3336   empathy_call_window_show_video_output (self, FALSE);
3337
3338   return TRUE;
3339 }
3340
3341 /* Called from the streaming thread */
3342 static GstPadProbeReturn
3343 empathy_call_window_video_probe_cb (GstPad *pad,
3344     GstPadProbeInfo *info,
3345     gpointer user_data)
3346 {
3347     EmpathyCallWindow *self = user_data;
3348
3349   if (G_UNLIKELY (!self->priv->got_video))
3350     {
3351       /* show the remote video */
3352       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3353           empathy_call_window_show_video_output_cb,
3354           g_object_ref (self), g_object_unref);
3355
3356       self->priv->got_video = TRUE;
3357     }
3358
3359   return GST_PAD_PROBE_OK;
3360 }
3361
3362 /* Called from the streaming thread */
3363 static gboolean
3364 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3365   TfContent *content, GstPad *src, gpointer user_data)
3366 {
3367   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3368   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3369   gboolean retval = FALSE;
3370   guint media_type;
3371
3372   GstPad *pad;
3373
3374   g_mutex_lock (&priv->lock);
3375
3376   g_object_get (content, "media-type", &media_type, NULL);
3377
3378   switch (media_type)
3379     {
3380       case TP_MEDIA_STREAM_TYPE_AUDIO:
3381         pad = empathy_call_window_get_audio_sink_pad (self, content);
3382         break;
3383       case TP_MEDIA_STREAM_TYPE_VIDEO:
3384         g_idle_add (empathy_call_window_show_video_output_cb, self);
3385         pad = empathy_call_window_get_video_sink_pad (self);
3386
3387         gst_pad_add_probe (src,
3388             GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST,
3389             empathy_call_window_video_probe_cb, self, NULL);
3390
3391         if (priv->got_video_src > 0)
3392           g_source_remove (priv->got_video_src);
3393         priv->got_video_src = g_timeout_add_seconds (1,
3394             empathy_call_window_check_video_cb, self);
3395         break;
3396       default:
3397         g_assert_not_reached ();
3398     }
3399
3400   if (pad == NULL)
3401     goto out;
3402
3403   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3404       g_warning ("Could not link %s sink pad",
3405           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3406   else
3407       retval = TRUE;
3408
3409   gst_object_unref (pad);
3410
3411  out:
3412
3413   /* If no sink could be linked, try to add fakesink to prevent the whole call
3414    * aborting */
3415
3416   if (!retval)
3417     {
3418       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3419
3420       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3421         {
3422           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3423           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3424               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3425             {
3426               gst_element_set_locked_state (fakesink, TRUE);
3427               gst_element_set_state (fakesink, GST_STATE_NULL);
3428               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3429             }
3430           else
3431             {
3432               DEBUG ("Could not link real sink, linked fakesink instead");
3433             }
3434           gst_object_unref (sinkpad);
3435         }
3436       else
3437         {
3438           gst_object_unref (fakesink);
3439         }
3440     }
3441
3442
3443   g_mutex_unlock (&priv->lock);
3444
3445   return TRUE;
3446 }
3447
3448 static void
3449 empathy_call_window_prepare_audio_output (EmpathyCallWindow *self,
3450   TfContent *content)
3451 {
3452   EmpathyCallWindowPriv *priv = self->priv;
3453
3454   g_assert (priv->audio_output_added == FALSE);
3455   g_assert (priv->audio_output == FALSE);
3456
3457   priv->audio_output = empathy_audio_sink_new ();
3458   g_object_ref_sink (priv->audio_output);
3459
3460   /* volume button to output volume linking */
3461   g_object_bind_property (priv->audio_output, "volume",
3462     priv->volume_button, "value",
3463     G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
3464
3465   g_object_bind_property_full (content, "requested-output-volume",
3466     priv->audio_output, "volume",
3467     G_BINDING_DEFAULT,
3468     audio_control_volume_to_element,
3469     element_volume_to_audio_control,
3470     NULL, NULL);
3471
3472   /* Link volumes together, sync the current audio input volume property
3473     * back to farstream first */
3474   g_object_bind_property_full (priv->audio_output, "volume",
3475     content, "reported-output-volume",
3476     G_BINDING_SYNC_CREATE,
3477     element_volume_to_audio_control,
3478     audio_control_volume_to_element,
3479     NULL, NULL);
3480
3481   /* For raw audio conferences assume that the producer of the raw data
3482    * has already processed it, so turn off any echo cancellation and any
3483    * other audio improvements that come with it */
3484   empathy_audio_sink_set_echo_cancel (
3485     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3486     !empathy_call_window_content_is_raw (content));
3487 }
3488
3489
3490 static gboolean
3491 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3492   TfContent *content, gpointer user_data)
3493 {
3494   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3495   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3496   GstPad *sink, *pad;
3497   FsMediaType media_type;
3498   gboolean retval = FALSE;
3499
3500   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3501   g_assert (sink != NULL);
3502
3503   switch (media_type)
3504     {
3505       case FS_MEDIA_TYPE_AUDIO:
3506
3507         /* For raw audio conferences assume that the receiver of the raw data
3508          * wants it unprocessed, so turn off any echo cancellation and any
3509          * other audio improvements that come with it */
3510         empathy_audio_src_set_echo_cancel (
3511           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3512           !empathy_call_window_content_is_raw (content));
3513
3514         /* Link volumes together, sync the current audio input volume property
3515          * back to farstream first */
3516         g_object_bind_property_full (content, "requested-input-volume",
3517           priv->audio_input, "volume",
3518           G_BINDING_DEFAULT,
3519           audio_control_volume_to_element,
3520           element_volume_to_audio_control,
3521           NULL, NULL);
3522
3523         g_object_bind_property_full (priv->audio_input, "volume",
3524           content, "reported-input-volume",
3525           G_BINDING_SYNC_CREATE,
3526           element_volume_to_audio_control,
3527           audio_control_volume_to_element,
3528           NULL, NULL);
3529
3530         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3531           {
3532             g_warning ("Could not add audio source to pipeline");
3533             break;
3534           }
3535
3536         pad = gst_element_get_static_pad (priv->audio_input, "src");
3537         if (!pad)
3538           {
3539             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3540             g_warning ("Could not get source pad from audio source");
3541             break;
3542           }
3543
3544         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3545           {
3546             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3547             gst_object_unref (pad);
3548             g_warning ("Could not link audio source to farsight");
3549             break;
3550           }
3551         gst_object_unref (pad);
3552
3553         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3554           {
3555             g_warning ("Could not start audio source");
3556             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3557             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3558             break;
3559           }
3560
3561         /* Prepare our audio output, not added yet though */
3562         empathy_call_window_prepare_audio_output (self, content);
3563
3564         retval = TRUE;
3565         break;
3566       case FS_MEDIA_TYPE_VIDEO:
3567         if (priv->video_tee != NULL)
3568           {
3569             pad = gst_element_get_request_pad (priv->video_tee, "src_%u");
3570             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3571               {
3572                 g_warning ("Could not link video source input pipeline");
3573                 break;
3574               }
3575             gst_object_unref (pad);
3576           }
3577
3578         retval = TRUE;
3579         break;
3580       default:
3581         g_assert_not_reached ();
3582     }
3583
3584   gst_object_unref (sink);
3585   return retval;
3586 }
3587
3588 static void
3589 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3590 {
3591   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3592   GstElement *preview;
3593
3594   disable_camera (self);
3595
3596   DEBUG ("remove video input");
3597   preview = priv->video_preview_sink;
3598
3599   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3600   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3601   gst_element_set_state (preview, GST_STATE_NULL);
3602
3603   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3604     preview, NULL);
3605
3606   g_object_unref (priv->video_input);
3607   priv->video_input = NULL;
3608   g_object_unref (priv->video_tee);
3609   priv->video_tee = NULL;
3610   clutter_actor_destroy (priv->video_preview);
3611   priv->video_preview = NULL;
3612
3613   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3614   empathy_camera_menu_set_sensitive (priv->camera_menu, FALSE);
3615 }
3616
3617 static void
3618 start_call (EmpathyCallWindow *self)
3619 {
3620   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3621
3622   g_signal_emit (self, signals[SIG_INHIBIT], 0, TRUE);
3623
3624   priv->call_started = TRUE;
3625   empathy_call_handler_start_call (priv->handler,
3626       gtk_get_current_event_time ());
3627
3628   if (empathy_call_handler_has_initial_video (priv->handler))
3629     {
3630       TpCallChannel *call;
3631       TpSendingState s;
3632
3633       g_object_get (priv->handler, "call-channel", &call, NULL);
3634       /* If the call channel isn't set yet we're requesting it, if we're
3635        * requesting it with initial video it should be PENDING_SEND when we get
3636        * it */
3637       if (call == NULL)
3638         s = TP_SENDING_STATE_PENDING_SEND;
3639       else
3640         s = empathy_call_channel_get_video_state (call);
3641
3642       if (s == TP_SENDING_STATE_PENDING_SEND ||
3643           s == TP_SENDING_STATE_SENDING)
3644         {
3645           /* Enable 'send video' buttons and display the preview */
3646           gtk_toggle_button_set_active (
3647             GTK_TOGGLE_BUTTON (priv->camera_button), TRUE);
3648         }
3649       else
3650         {
3651           gtk_toggle_button_set_active (
3652             GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
3653
3654           if (priv->video_preview == NULL)
3655             {
3656               create_video_preview (self);
3657               add_video_preview_to_pipeline (self);
3658             }
3659         }
3660
3661       if (call != NULL)
3662         g_object_unref (call);
3663     }
3664 }
3665
3666 static gboolean
3667 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3668   gpointer user_data)
3669 {
3670   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3671   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3672   GstState newstate, pending;
3673
3674   empathy_call_handler_bus_message (priv->handler, bus, message);
3675
3676   switch (GST_MESSAGE_TYPE (message))
3677     {
3678       case GST_MESSAGE_STATE_CHANGED:
3679         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3680           {
3681             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3682           }
3683         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3684             !priv->call_started)
3685           {
3686             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3687             if (newstate == GST_STATE_PAUSED)
3688               {
3689                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3690                 priv->pipeline_playing = TRUE;
3691
3692                 if (priv->start_call_when_playing)
3693                   start_call (self);
3694               }
3695           }
3696         if (priv->video_preview_sink != NULL &&
3697             GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3698           {
3699             gst_message_parse_state_changed (message, NULL, &newstate,
3700                 &pending);
3701
3702             if (newstate == GST_STATE_PLAYING &&
3703                 pending == GST_STATE_VOID_PENDING)
3704               empathy_call_window_stop_camera_spinning (self);
3705           }
3706         break;
3707       case GST_MESSAGE_ERROR:
3708         {
3709           GError *error = NULL;
3710           GstElement *gst_error;
3711           gchar *debug;
3712           gchar *name;
3713
3714           gst_message_parse_error (message, &error, &debug);
3715           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3716
3717           g_message ("Element error: %s -- %s\n", error->message, debug);
3718
3719           name = gst_element_get_name (gst_error);
3720           if (g_str_has_prefix (name, VIDEO_INPUT_ERROR_PREFIX))
3721             {
3722               /* Remove the video input and continue */
3723               if (priv->video_input != NULL)
3724                 empathy_call_window_remove_video_input (self);
3725               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3726             }
3727           else
3728             {
3729               empathy_call_window_disconnected (self, TRUE);
3730             }
3731           g_free (name);
3732           g_error_free (error);
3733           g_free (debug);
3734         }
3735       case GST_MESSAGE_UNKNOWN:
3736       case GST_MESSAGE_EOS:
3737       case GST_MESSAGE_WARNING:
3738       case GST_MESSAGE_INFO:
3739       case GST_MESSAGE_TAG:
3740       case GST_MESSAGE_BUFFERING:
3741       case GST_MESSAGE_STATE_DIRTY:
3742       case GST_MESSAGE_STEP_DONE:
3743       case GST_MESSAGE_CLOCK_PROVIDE:
3744       case GST_MESSAGE_CLOCK_LOST:
3745       case GST_MESSAGE_NEW_CLOCK:
3746       case GST_MESSAGE_STRUCTURE_CHANGE:
3747       case GST_MESSAGE_STREAM_STATUS:
3748       case GST_MESSAGE_APPLICATION:
3749       case GST_MESSAGE_ELEMENT:
3750       case GST_MESSAGE_SEGMENT_START:
3751       case GST_MESSAGE_SEGMENT_DONE:
3752       case GST_MESSAGE_DURATION:
3753       case GST_MESSAGE_ANY:
3754       default:
3755         break;
3756     }
3757
3758   return TRUE;
3759 }
3760
3761 static void
3762 empathy_call_window_members_changed_cb (TpCallChannel *call,
3763     GHashTable *updates,
3764     GPtrArray *removed,
3765     TpCallStateReason *reason,
3766     EmpathyCallWindow *self)
3767 {
3768   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3769   GHashTableIter iter;
3770   gpointer key, value;
3771   gboolean held = FALSE;
3772
3773   g_hash_table_iter_init (&iter, updates);
3774   while (g_hash_table_iter_next (&iter, &key, &value))
3775     {
3776       if (GPOINTER_TO_INT (value) & TP_CALL_MEMBER_FLAG_HELD)
3777         {
3778           /* This assumes this is a 1-1 call, otherwise one participant
3779            * putting the call on hold wouldn't mean the call is on hold
3780            * for everyone. */
3781           held = TRUE;
3782           break;
3783         }
3784     }
3785
3786   if (held)
3787     priv->call_state = HELD;
3788   else if (priv->call_state == HELD)
3789     priv->call_state = CONNECTED;
3790 }
3791
3792 static void
3793 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3794     GParamSpec *spec,
3795     EmpathyCallWindow *self)
3796 {
3797   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3798   TpCallChannel *call;
3799
3800   g_object_get (priv->handler, "call-channel", &call, NULL);
3801   if (call == NULL)
3802     return;
3803
3804 /* FIXME
3805   tp_g_signal_connect_object (call, "audio-stream-error",
3806       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3807   tp_g_signal_connect_object (call, "video-stream-error",
3808       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3809 */
3810
3811   tp_g_signal_connect_object (call, "members-changed",
3812       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3813
3814   g_object_unref (call);
3815 }
3816
3817 static void
3818 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3819 {
3820   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3821   TpCallChannel *call;
3822
3823   g_signal_connect (priv->handler, "state-changed",
3824     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3825   g_signal_connect (priv->handler, "conference-added",
3826     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3827   g_signal_connect (priv->handler, "conference-removed",
3828     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3829   g_signal_connect (priv->handler, "closed",
3830     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3831   g_signal_connect (priv->handler, "src-pad-added",
3832     G_CALLBACK (empathy_call_window_src_added_cb), self);
3833   g_signal_connect (priv->handler, "content-added",
3834     G_CALLBACK (empathy_call_window_content_added_cb), self);
3835   g_signal_connect (priv->handler, "content-removed",
3836     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3837
3838   /* We connect to ::call-channel unconditionally since we'll
3839    * get new channels if we hangup and redial or if we reuse the
3840    * call window. */
3841   g_signal_connect (priv->handler, "notify::call-channel",
3842     G_CALLBACK (call_handler_notify_call_cb), self);
3843
3844   g_signal_connect (priv->handler, "framerate-changed",
3845     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3846   g_signal_connect (priv->handler, "resolution-changed",
3847     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3848
3849   g_object_get (priv->handler, "call-channel", &call, NULL);
3850   if (call != NULL)
3851     {
3852       /* We won't get notify::call-channel for this channel, so
3853        * directly call the callback. */
3854       call_handler_notify_call_cb (priv->handler, NULL, self);
3855       g_object_unref (call);
3856     }
3857 }
3858
3859 static void
3860 empathy_call_window_realized_cb (GtkWidget *widget,
3861     EmpathyCallWindow *self)
3862 {
3863   gint width;
3864
3865   /* Make the hangup button twice as wide */
3866   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3867   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3868
3869   empathy_call_window_connect_handler (self);
3870
3871   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3872 }
3873
3874 static gboolean
3875 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3876   EmpathyCallWindow *window)
3877 {
3878   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3879
3880   if (priv->pipeline != NULL)
3881     {
3882       if (priv->bus_message_source_id != 0)
3883         {
3884           g_source_remove (priv->bus_message_source_id);
3885           priv->bus_message_source_id = 0;
3886         }
3887
3888       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3889     }
3890
3891   if (priv->call_state == CONNECTING)
3892     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3893
3894   return FALSE;
3895 }
3896
3897 static void
3898 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3899 {
3900   GtkWidget *menu;
3901   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3902
3903   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3904             "/menubar1");
3905
3906   if (set_fullscreen)
3907     {
3908       gtk_widget_hide (priv->dtmf_panel);
3909       gtk_widget_hide (menu);
3910       gtk_widget_hide (priv->toolbar);
3911     }
3912   else
3913     {
3914       if (priv->dialpad_was_visible_before_fs)
3915         gtk_widget_show (priv->dtmf_panel);
3916
3917       gtk_widget_show (menu);
3918       gtk_widget_show (priv->toolbar);
3919
3920       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3921           priv->original_height_before_fs);
3922     }
3923 }
3924
3925 static void
3926 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3927 {
3928   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3929
3930   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3931       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3932
3933   if (priv->video_output != NULL)
3934     {
3935 #if 0
3936       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3937           priv->video_output, TRUE, TRUE,
3938           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3939           GTK_PACK_START);
3940 #endif
3941     }
3942 }
3943
3944 static gboolean
3945 empathy_call_window_state_event_cb (GtkWidget *widget,
3946   GdkEventWindowState *event, EmpathyCallWindow *window)
3947 {
3948   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3949     {
3950       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3951       gboolean set_fullscreen = event->new_window_state &
3952         GDK_WINDOW_STATE_FULLSCREEN;
3953
3954       if (set_fullscreen)
3955         {
3956           gboolean dialpad_was_visible;
3957           GtkAllocation allocation;
3958           gint original_width, original_height;
3959
3960           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3961           original_width = allocation.width;
3962           original_height = allocation.height;
3963
3964           g_object_get (priv->dtmf_panel,
3965               "visible", &dialpad_was_visible,
3966               NULL);
3967
3968           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3969           priv->original_width_before_fs = original_width;
3970           priv->original_height_before_fs = original_height;
3971
3972           if (priv->video_output_motion_handler_id == 0 &&
3973                 priv->video_output != NULL)
3974             {
3975               priv->video_output_motion_handler_id = g_signal_connect (
3976                   G_OBJECT (priv->video_container), "motion-notify-event",
3977                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3978                   window);
3979             }
3980         }
3981       else
3982         {
3983           disconnect_video_output_motion_handler (window);
3984         }
3985
3986       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
3987           set_fullscreen);
3988       show_controls (window, set_fullscreen);
3989       show_borders (window, set_fullscreen);
3990       gtk_action_set_stock_id (priv->menu_fullscreen,
3991           (set_fullscreen ? "view-restore" : "view-fullscreen"));
3992       priv->is_fullscreen = set_fullscreen;
3993   }
3994
3995   return FALSE;
3996 }
3997
3998 static void
3999 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
4000     gboolean active)
4001 {
4002   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4003   int w, h, dialpad_width;
4004   GtkAllocation allocation;
4005
4006   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
4007   w = allocation.width;
4008   h = allocation.height;
4009
4010   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
4011
4012   if (active)
4013     {
4014       gtk_widget_show (priv->dtmf_panel);
4015       w += dialpad_width;
4016     }
4017   else
4018     {
4019       w -= dialpad_width;
4020       gtk_widget_hide (priv->dtmf_panel);
4021     }
4022
4023   if (w > 0 && h > 0)
4024     gtk_window_resize (GTK_WINDOW (window), w, h);
4025 }
4026
4027 static void
4028 empathy_call_window_set_send_video (EmpathyCallWindow *window,
4029   CameraState state)
4030 {
4031   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4032   TpCallChannel *call;
4033
4034   priv->sending_video = (state == CAMERA_STATE_ON);
4035
4036   if (state == CAMERA_STATE_ON)
4037     {
4038       /* When we start sending video, we want to show the video preview by
4039          default. */
4040       display_video_preview (window, TRUE);
4041     }
4042   else
4043     {
4044       display_video_preview (window, FALSE);
4045     }
4046
4047   if (priv->call_state != CONNECTED)
4048     return;
4049
4050   g_object_get (priv->handler, "call-channel", &call, NULL);
4051   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
4052   empathy_call_channel_send_video (call, priv->sending_video);
4053   g_object_unref (call);
4054 }
4055
4056 static void
4057 empathy_call_window_hangup_cb (gpointer object,
4058     EmpathyCallWindow *self)
4059 {
4060   /* stopping the call will put it the ENDED state and
4061    * from state_changed_cb we'll reconfigure the window
4062    */
4063   empathy_call_handler_stop_call (self->priv->handler);
4064 }
4065
4066 static void
4067 empathy_call_window_restart_call (EmpathyCallWindow *window)
4068 {
4069   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4070
4071   /* Remove error info bars */
4072   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4073       (GtkCallback) gtk_widget_destroy, NULL);
4074
4075   create_video_output_widget (window);
4076   priv->outgoing = TRUE;
4077   empathy_call_window_set_state_connecting (window);
4078
4079   if (priv->pipeline_playing)
4080     start_call (window);
4081   else
4082     /* call will be started when the pipeline is ready */
4083     priv->start_call_when_playing = TRUE;
4084
4085   empathy_call_window_setup_avatars (window, priv->handler);
4086
4087   empathy_call_window_show_hangup_button (window, TRUE);
4088 }
4089
4090 static void
4091 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4092     EmpathyCallWindow *window)
4093 {
4094   gboolean active;
4095
4096   active = gtk_toggle_tool_button_get_active (button);
4097
4098   empathy_call_window_show_dialpad (window, active);
4099 }
4100
4101 static void
4102 empathy_call_window_fullscreen_cb (gpointer object,
4103                                    EmpathyCallWindow *window)
4104 {
4105   empathy_call_window_fullscreen_toggle (window);
4106 }
4107
4108 static void
4109 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4110 {
4111   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4112
4113   if (priv->is_fullscreen)
4114     gtk_window_unfullscreen (GTK_WINDOW (window));
4115   else
4116     gtk_window_fullscreen (GTK_WINDOW (window));
4117 }
4118
4119 static gboolean
4120 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4121   GdkEventButton *event, EmpathyCallWindow *window)
4122 {
4123   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4124     {
4125       empathy_call_window_video_menu_popup (window, event->button);
4126       return TRUE;
4127     }
4128
4129   return FALSE;
4130 }
4131
4132 static gboolean
4133 empathy_call_window_key_press_cb (GtkWidget *video_output,
4134   GdkEventKey *event, EmpathyCallWindow *window)
4135 {
4136   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4137   gchar key;
4138
4139   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4140     {
4141       /* Since we are in fullscreen mode, toggling will bring us back to
4142          normal mode. */
4143       empathy_call_window_fullscreen_toggle (window);
4144       return TRUE;
4145     }
4146
4147   key = gdk_keyval_to_unicode (event->keyval);
4148   switch (key)
4149     {
4150       case '0':
4151       case '1':
4152       case '2':
4153       case '3':
4154       case '4':
4155       case '5':
4156       case '6':
4157       case '7':
4158       case '8':
4159       case '9':
4160       case '*':
4161       case '#':
4162         break;
4163       default:
4164         return TRUE;
4165         break;
4166     }
4167
4168   gtk_toggle_tool_button_set_active (
4169       GTK_TOGGLE_TOOL_BUTTON (priv->dialpad_button), TRUE);
4170
4171   empathy_dialpad_widget_press_key (
4172       EMPATHY_DIALPAD_WIDGET (priv->dtmf_panel), key);
4173
4174   return TRUE;
4175 }
4176
4177 static gboolean
4178 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4179     GdkEventMotion *event, EmpathyCallWindow *window)
4180 {
4181   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4182
4183   if (priv->is_fullscreen)
4184     {
4185       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4186
4187       /* Show the bottom toolbar */
4188       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4189       return TRUE;
4190     }
4191   return FALSE;
4192 }
4193
4194 static void
4195 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4196   guint button)
4197 {
4198   GtkWidget *menu;
4199   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4200
4201   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4202             "/video-popup");
4203   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4204       button, gtk_get_current_event_time ());
4205   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4206 }
4207
4208 static void
4209 empathy_call_window_status_message (EmpathyCallWindow *self,
4210   gchar *message)
4211 {
4212   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4213 }
4214
4215 GtkUIManager *
4216 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4217 {
4218   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4219
4220   return priv->ui_manager;
4221 }
4222
4223 EmpathyGstAudioSrc *
4224 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4225 {
4226   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4227
4228   return (EmpathyGstAudioSrc *) priv->audio_input;
4229 }
4230
4231 EmpathyGstVideoSrc *
4232 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4233 {
4234   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4235 }
4236
4237 void
4238 empathy_call_window_change_webcam (EmpathyCallWindow *self,
4239     const gchar *device)
4240 {
4241   EmpathyGstVideoSrc *video;
4242   gboolean running;
4243
4244   /* Restart the camera only if it's already running */
4245   running = (self->priv->video_preview != NULL);
4246   video = empathy_call_window_get_video_src (self);
4247
4248   if (running)
4249     empathy_call_window_play_camera (self, FALSE);
4250
4251   empathy_video_src_change_device (video, device);
4252
4253   if (running)
4254     empathy_call_window_play_camera (self, TRUE);
4255 }