src/empathy-call-window.c

   1 /*
   2  * empathy-call-window.c - Source for EmpathyCallWindow
   3  * Copyright (C) 2008-2011 Collabora Ltd.
   4  * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 #include <math.h>
  27
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gst/gst.h>
  30 #include <gtk/gtk.h>
  31 #include <glib/gi18n.h>
  32
  33 #include <clutter/clutter.h>
  34 #include <clutter-gtk/clutter-gtk.h>
  35 #include <clutter-gst/clutter-gst.h>
  36
  37 #include <telepathy-glib/util.h>
  38 #include <telepathy-farstream/telepathy-farstream.h>
  39 #include <telepathy-glib/util.h>
  40
  41 #include <gst/farsight/fs-element-added-notifier.h>
  42 #include <gst/farsight/fs-utils.h>
  43
  44 #include <libempathy/empathy-camera-monitor.h>
  45 #include <libempathy/empathy-gsettings.h>
  46 #include <libempathy/empathy-tp-contact-factory.h>
  47 #include <libempathy/empathy-request-util.h>
  48 #include <libempathy/empathy-utils.h>
  49
  50 #include <libempathy-gtk/empathy-avatar-image.h>
  51 #include <libempathy-gtk/empathy-dialpad-widget.h>
  52 #include <libempathy-gtk/empathy-ui-utils.h>
  53 #include <libempathy-gtk/empathy-sound-manager.h>
  54 #include <libempathy-gtk/empathy-geometry.h>
  55 #include <libempathy-gtk/empathy-images.h>
  56
  57 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  58 #include <libempathy/empathy-debug.h>
  59
  60 #include "empathy-call-window.h"
  61 #include "empathy-call-window-fullscreen.h"
  62 #include "empathy-call-factory.h"
  63 #include "empathy-video-widget.h"
  64 #include "empathy-about-dialog.h"
  65 #include "empathy-audio-src.h"
  66 #include "empathy-audio-sink.h"
  67 #include "empathy-video-src.h"
  68 #include "empathy-mic-menu.h"
  69 #include "empathy-preferences.h"
  70 #include "empathy-rounded-actor.h"
  71 #include "empathy-rounded-rectangle.h"
  72 #include "empathy-rounded-texture.h"
  73 #include "empathy-camera-menu.h"
  74
  75 #define CONTENT_HBOX_BORDER_WIDTH 6
  76 #define CONTENT_HBOX_SPACING 3
  77 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 3
  78
  79 #define SELF_VIDEO_SECTION_WIDTH 120
  80 #define SELF_VIDEO_SECTION_HEIGHT 90
  81 #define SELF_VIDEO_SECTION_MARGIN 10
  82
  83 #define FLOATING_TOOLBAR_OPACITY 192
  84 #define FLOATING_TOOLBAR_WIDTH 280
  85 #define FLOATING_TOOLBAR_HEIGHT 36
  86 #define FLOATING_TOOLBAR_SPACING 20
  87
  88 /* The avatar's default width and height are set to the same value because we
  89    want a square icon. */
  90 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  91 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT \
  92   EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  93
  94 #define SMALL_TOOLBAR_SIZE 36
  95
  96 /* If an video input error occurs, the error message will start with "v4l" */
  97 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  98
  99 /* The time interval in milliseconds between 2 outgoing rings */
 100 #define MS_BETWEEN_RING 500
 101
 102 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
 103
 104 enum {
 105   PROP_CALL_HANDLER = 1,
 106 };
 107
 108 typedef enum {
 109   RINGING,       /* Incoming call */
 110   CONNECTING,    /* Outgoing call */
 111   CONNECTED,     /* Connected */
 112   HELD,          /* Connected, but on hold */
 113   DISCONNECTED,  /* Disconnected */
 114   REDIALING      /* Redialing (special case of CONNECTING) */
 115 } CallState;
 116
 117 typedef enum {
 118   CAMERA_STATE_OFF = 0,
 119   CAMERA_STATE_ON,
 120 } CameraState;
 121
 122 typedef enum {
 123   PREVIEW_POS_NONE,
 124   PREVIEW_POS_TOP_LEFT,
 125   PREVIEW_POS_TOP_RIGHT,
 126   PREVIEW_POS_BOTTOM_LEFT,
 127   PREVIEW_POS_BOTTOM_RIGHT,
 128 } PreviewPosition;
 129
 130 struct _EmpathyCallWindowPriv
 131 {
 132   gboolean dispose_has_run;
 133   EmpathyCallHandler *handler;
 134
 135   EmpathyContact *contact;
 136
 137   EmpathyCameraMonitor *camera_monitor;
 138
 139   guint call_state;
 140   gboolean outgoing;
 141
 142   GtkUIManager *ui_manager;
 143   GtkWidget *errors_vbox;
 144   /* widget displays the video received from the remote user. This widget is
 145    * alive only during call. */
 146   ClutterActor *video_output;
 147   ClutterActor *video_preview;
 148   ClutterActor *drag_preview;
 149   ClutterActor *preview_shown_button;
 150   ClutterActor *preview_hidden_button;
 151   ClutterActor *preview_rectangle1;
 152   ClutterActor *preview_rectangle2;
 153   ClutterActor *preview_rectangle3;
 154   ClutterActor *preview_rectangle4;
 155   ClutterActor *preview_rectangle_box1;
 156   ClutterActor *preview_rectangle_box2;
 157   ClutterActor *preview_rectangle_box3;
 158   ClutterActor *preview_rectangle_box4;
 159   ClutterActor *preview_spinner_actor;
 160   GtkWidget *preview_spinner_widget;
 161   GtkWidget *video_container;
 162   GtkWidget *remote_user_avatar_widget;
 163   GtkWidget *remote_user_avatar_toolbar;
 164   GtkWidget *remote_user_name_toolbar;
 165   GtkWidget *status_label;
 166   GtkWidget *hangup_button;
 167   GtkWidget *audio_call_button;
 168   GtkWidget *video_call_button;
 169   GtkWidget *mic_button;
 170   GtkWidget *camera_button;
 171   GtkWidget *dialpad_button;
 172   GtkWidget *toolbar;
 173   GtkWidget *bottom_toolbar;
 174   ClutterActor *floating_toolbar;
 175   GtkWidget *pane;
 176   GtkAction *menu_fullscreen;
 177   GtkAction *menu_swap_camera;
 178
 179   ClutterState *transitions;
 180
 181   /* The box that contains self and remote avatar and video
 182      input/output. When we redial, we destroy and re-create the box */
 183   ClutterActor *video_box;
 184   ClutterLayoutManager *video_layout;
 185
 186   /* Coordinates of the preview drag event's start. */
 187   PreviewPosition preview_pos;
 188
 189   /* We keep a reference on the hbox which contains the main content so we can
 190      easilly repack everything when toggling fullscreen */
 191   GtkWidget *content_hbox;
 192
 193   /* These are used to accept or reject an incoming call when the status
 194      is RINGING. */
 195   GtkWidget *incoming_call_dialog;
 196   TpyCallChannel *pending_channel;
 197   TpChannelDispatchOperation *pending_cdo;
 198   TpAddDispatchOperationContext *pending_context;
 199
 200   gulong video_output_motion_handler_id;
 201   guint bus_message_source_id;
 202
 203   /* String that contains the queued tones to send after the current ones
 204      are sent */
 205   GString *tones;
 206   gboolean sending_tones;
 207   GtkWidget *dtmf_panel;
 208
 209   /* Details vbox */
 210   GtkWidget *details_vbox;
 211   GtkWidget *vcodec_encoding_label;
 212   GtkWidget *acodec_encoding_label;
 213   GtkWidget *vcodec_decoding_label;
 214   GtkWidget *acodec_decoding_label;
 215
 216   GtkWidget *audio_remote_candidate_label;
 217   GtkWidget *audio_local_candidate_label;
 218   GtkWidget *video_remote_candidate_label;
 219   GtkWidget *video_local_candidate_label;
 220   GtkWidget *video_remote_candidate_info_img;
 221   GtkWidget *video_local_candidate_info_img;
 222   GtkWidget *audio_remote_candidate_info_img;
 223   GtkWidget *audio_local_candidate_info_img;
 224
 225   GstElement *video_input;
 226   GstElement *video_preview_sink;
 227   GstElement *video_output_sink;
 228   GstElement *audio_input;
 229   GstElement *audio_output;
 230   GstElement *pipeline;
 231   GstElement *video_tee;
 232
 233   GstElement *funnel;
 234
 235   GList *notifiers;
 236
 237   GTimer *timer;
 238   guint timer_id;
 239
 240   GMutex *lock;
 241   gboolean call_started;
 242   gboolean sending_video;
 243   CameraState camera_state;
 244
 245   EmpathyCallWindowFullscreen *fullscreen;
 246   gboolean is_fullscreen;
 247
 248   gboolean got_video;
 249   guint got_video_src;
 250
 251   guint inactivity_src;
 252
 253   /* Those fields represent the state of the window before it actually was in
 254      fullscreen mode. */
 255   gboolean dialpad_was_visible_before_fs;
 256   gint original_width_before_fs;
 257   gint original_height_before_fs;
 258
 259   gint x, y, w, h, dialpad_width;
 260   gboolean maximized;
 261
 262   /* TRUE if the call should be started when the pipeline is playing */
 263   gboolean start_call_when_playing;
 264   /* TRUE if we requested to set the pipeline in the playing state */
 265   gboolean pipeline_playing;
 266
 267   EmpathySoundManager *sound_mgr;
 268
 269   GSettings *settings;
 270   EmpathyMicMenu *mic_menu;
 271   EmpathyCameraMenu *camera_menu;
 272 };
 273
 274 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 275
 276 static void empathy_call_window_realized_cb (GtkWidget *widget,
 277   EmpathyCallWindow *window);
 278
 279 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 280   GdkEvent *event, EmpathyCallWindow *window);
 281
 282 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 283   GdkEventWindowState *event, EmpathyCallWindow *window);
 284
 285 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 286   CameraState state);
 287
 288 static void empathy_call_window_mic_toggled_cb (
 289   GtkToggleToolButton *toggle, EmpathyCallWindow *window);
 290
 291 static void empathy_call_window_hangup_cb (gpointer object,
 292   EmpathyCallWindow *window);
 293
 294 static void empathy_call_window_fullscreen_cb (gpointer object,
 295   EmpathyCallWindow *window);
 296
 297 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 298
 299 static gboolean empathy_call_window_video_button_press_cb (
 300   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 301
 302 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 303   GdkEventKey *event, EmpathyCallWindow *window);
 304
 305 static gboolean empathy_call_window_video_output_motion_notify (
 306   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 307
 308 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 309   guint button);
 310
 311 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 312
 313 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 314   EmpathyCallWindow *window);
 315
 316 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 317
 318 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 319   gchar *message);
 320
 321 static gboolean empathy_call_window_bus_message (GstBus *bus,
 322   GstMessage *message, gpointer user_data);
 323
 324 static void
 325 empathy_call_window_volume_changed_cb (GtkScaleButton *button,
 326   gdouble value, EmpathyCallWindow *window);
 327
 328 static void
 329 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 330     gboolean show)
 331 {
 332   gtk_widget_set_visible (self->priv->hangup_button, show);
 333   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 334   gtk_widget_set_visible (self->priv->video_call_button, !show);
 335 }
 336
 337 static void
 338 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 339     EmpathyCallWindow *self)
 340 {
 341   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 342   empathy_call_window_restart_call (self);
 343 }
 344
 345 static void
 346 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 347     EmpathyCallWindow *self)
 348 {
 349   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 350   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 351   empathy_call_window_restart_call (self);
 352 }
 353
 354 static void
 355 empathy_call_window_emit_tones (EmpathyCallWindow *self)
 356 {
 357   TpChannel *channel;
 358
 359   if (tp_str_empty (self->priv->tones->str))
 360     return;
 361
 362   g_object_get (self->priv->handler, "call-channel", &channel, NULL);
 363
 364   DEBUG ("Emitting multiple tones: %s", self->priv->tones->str);
 365
 366   tp_cli_channel_interface_dtmf_call_multiple_tones (channel, -1,
 367       self->priv->tones->str,
 368       NULL, NULL, NULL, NULL);
 369
 370   self->priv->sending_tones = TRUE;
 371
 372   g_string_set_size (self->priv->tones, 0);
 373
 374   g_object_unref (channel);
 375 }
 376
 377 static void
 378 empathy_call_window_maybe_emit_tones (EmpathyCallWindow *self)
 379 {
 380   if (self->priv->sending_tones)
 381     return;
 382
 383   empathy_call_window_emit_tones (self);
 384 }
 385
 386 static void
 387 empathy_call_window_tones_stopped_cb (TpChannel *proxy,
 388     gboolean arg_cancelled,
 389     gpointer user_data,
 390     GObject *weak_object)
 391 {
 392   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 393
 394   self->priv->sending_tones = FALSE;
 395
 396   empathy_call_window_emit_tones (self);
 397 }
 398
 399 static void
 400 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 401     TpDTMFEvent event,
 402     EmpathyCallWindow *self)
 403 {
 404   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 405
 406   g_string_append_c (priv->tones, tp_dtmf_event_to_char (event));
 407
 408   empathy_call_window_maybe_emit_tones (self);
 409 }
 410
 411 static void
 412 empathy_call_window_raise_actors (EmpathyCallWindow *self)
 413 {
 414   clutter_actor_raise_top (self->priv->floating_toolbar);
 415
 416   clutter_actor_raise_top (self->priv->preview_rectangle_box1);
 417   clutter_actor_raise_top (self->priv->preview_rectangle_box2);
 418   clutter_actor_raise_top (self->priv->preview_rectangle_box3);
 419   clutter_actor_raise_top (self->priv->preview_rectangle_box4);
 420 }
 421
 422 static void
 423 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 424     gboolean show)
 425 {
 426   if (self->priv->video_output != NULL)
 427     g_object_set (self->priv->video_output, "visible", show, NULL);
 428
 429   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 430
 431   empathy_call_window_raise_actors (self);
 432 }
 433
 434 static void
 435 create_video_output_widget (EmpathyCallWindow *self)
 436 {
 437   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 438
 439   g_assert (priv->video_output == NULL);
 440   g_assert (priv->pipeline != NULL);
 441
 442   priv->video_output = clutter_texture_new ();
 443
 444   clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (priv->video_output),
 445       TRUE);
 446
 447   priv->video_output_sink = clutter_gst_video_sink_new (
 448       CLUTTER_TEXTURE (priv->video_output));
 449
 450   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 451       priv->video_output);
 452
 453   gtk_widget_add_events (priv->video_container,
 454       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 455   g_signal_connect (G_OBJECT (priv->video_container), "button-press-event",
 456       G_CALLBACK (empathy_call_window_video_button_press_cb), self);
 457 }
 458
 459 static void
 460 create_video_input (EmpathyCallWindow *self)
 461 {
 462   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 463
 464   g_assert (priv->video_input == NULL);
 465   priv->video_input = empathy_video_src_new ();
 466   gst_object_ref (priv->video_input);
 467   gst_object_sink (priv->video_input);
 468 }
 469
 470 static gboolean
 471 audio_control_volume_to_element (GBinding *binding,
 472   const GValue *source_value,
 473   GValue *target_value,
 474   gpointer user_data)
 475 {
 476   /* AudioControl volume is 0-255, with -1 for unknown */
 477   gint hv;
 478
 479   hv = g_value_get_int (source_value);
 480   if (hv < 0)
 481     return FALSE;
 482
 483   hv = MIN (hv, 255);
 484   g_value_set_double (target_value, hv/255.0);
 485
 486   return TRUE;
 487 }
 488
 489 static gboolean
 490 element_volume_to_audio_control (GBinding *binding,
 491   const GValue *source_value,
 492   GValue *target_value,
 493   gpointer user_data)
 494 {
 495   gdouble ev;
 496
 497   ev = g_value_get_double (source_value);
 498   ev = CLAMP (ev, 0.0, 1.0);
 499
 500   g_value_set_int (target_value, ev * 255);
 501   return TRUE;
 502 }
 503
 504 static void
 505 create_audio_input (EmpathyCallWindow *self)
 506 {
 507   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 508
 509   g_assert (priv->audio_input == NULL);
 510   priv->audio_input = empathy_audio_src_new ();
 511   gst_object_ref (priv->audio_input);
 512   gst_object_sink (priv->audio_input);
 513 }
 514
 515 static void
 516 add_video_preview_to_pipeline (EmpathyCallWindow *self)
 517 {
 518   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 519   GstElement *preview;
 520
 521   g_assert (priv->video_preview != NULL);
 522   g_assert (priv->pipeline != NULL);
 523   g_assert (priv->video_input != NULL);
 524   g_assert (priv->video_tee != NULL);
 525
 526   preview = priv->video_preview_sink;
 527
 528   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 529     {
 530       g_warning ("Could not add video input to pipeline");
 531       return;
 532     }
 533
 534   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 535     {
 536       g_warning ("Could not add video preview to pipeline");
 537       return;
 538     }
 539
 540   if (!gst_element_link (priv->video_input, priv->video_tee))
 541     {
 542       g_warning ("Could not link video input to video tee");
 543       return;
 544     }
 545
 546   if (!gst_element_link (priv->video_tee, preview))
 547     {
 548       g_warning ("Could not link video tee to video preview");
 549       return;
 550     }
 551 }
 552
 553 static void
 554 empathy_call_window_disable_camera_cb (GtkAction *action,
 555     EmpathyCallWindow *self)
 556 {
 557   clutter_actor_destroy (self->priv->preview_hidden_button);
 558
 559   gtk_toggle_tool_button_set_active (
 560       GTK_TOGGLE_TOOL_BUTTON (self->priv->camera_button), FALSE);
 561 }
 562
 563 static void
 564 empathy_call_window_minimise_camera_cb (GtkAction *action,
 565     EmpathyCallWindow *self)
 566 {
 567   clutter_actor_hide (self->priv->video_preview);
 568   clutter_actor_show (self->priv->preview_hidden_button);
 569 }
 570
 571 static void
 572 empathy_call_window_maximise_camera_cb (GtkAction *action,
 573     EmpathyCallWindow *self)
 574 {
 575   clutter_actor_show (self->priv->video_preview);
 576   clutter_actor_hide (self->priv->preview_hidden_button);
 577 }
 578
 579 static void
 580 empathy_call_window_swap_camera_cb (GtkAction *action,
 581     EmpathyCallWindow *self)
 582 {
 583   const GList *cameras, *l;
 584   gchar *current_cam;
 585
 586   DEBUG ("Swapping the camera");
 587
 588   cameras = empathy_camera_monitor_get_cameras (self->priv->camera_monitor);
 589   current_cam = empathy_video_src_dup_device (
 590       EMPATHY_GST_VIDEO_SRC (self->priv->video_input));
 591
 592   for (l = cameras; l != NULL; l = l->next)
 593     {
 594       EmpathyCamera *camera = l->data;
 595
 596       if (!tp_strdiff (camera->device, current_cam))
 597         {
 598           EmpathyCamera *next;
 599
 600           if (l->next != NULL)
 601             next = l->next->data;
 602           else
 603             next = cameras->data;
 604
 605           /* EmpathyCameraMenu will update itself and do the actual change
 606            * for us */
 607           g_settings_set_string (self->priv->settings,
 608               EMPATHY_PREFS_CALL_CAMERA_DEVICE,
 609               next->device);
 610
 611           break;
 612         }
 613     }
 614
 615   g_free (current_cam);
 616 }
 617
 618 static void
 619 empathy_call_window_camera_added_cb (EmpathyCameraMonitor *monitor,
 620     EmpathyCamera *camera,
 621     EmpathyCallWindow *self)
 622 {
 623   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 624
 625   gtk_action_set_visible (self->priv->menu_swap_camera,
 626       g_list_length ((GList *) cameras) >= 2);
 627 }
 628
 629 static void
 630 empathy_call_window_camera_removed_cb (EmpathyCameraMonitor *monitor,
 631     EmpathyCamera *camera,
 632     EmpathyCallWindow *self)
 633 {
 634   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 635
 636   gtk_action_set_visible (self->priv->menu_swap_camera,
 637       g_list_length ((GList *) cameras) >= 2);
 638 }
 639
 640 static void
 641 empathy_call_window_preview_button_clicked_cb (GtkButton *button,
 642     EmpathyCallWindow *self)
 643 {
 644   GtkWidget *menu;
 645
 646   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 647       "/preview-menu");
 648   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 649       0, gtk_get_current_event_time ());
 650   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 651 }
 652
 653 static void
 654 empathy_call_window_preview_hidden_button_clicked_cb (GtkButton *button,
 655     EmpathyCallWindow *self)
 656 {
 657   GtkWidget *menu;
 658
 659   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 660       "/preview-hidden-menu");
 661   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 662       0, gtk_get_current_event_time ());
 663   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 664 }
 665
 666 static ClutterActor *
 667 empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
 668     ClutterActor **box,
 669     ClutterBinAlignment x,
 670     ClutterBinAlignment y)
 671 {
 672   ClutterLayoutManager *layout1, *layout2;
 673   ClutterActor *rectangle;
 674   ClutterActor *box1, *box2;
 675
 676   layout1 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 677       CLUTTER_BIN_ALIGNMENT_START);
 678
 679   box1 = clutter_box_new (layout1);
 680
 681   *box = box1;
 682
 683   rectangle = empathy_rounded_rectangle_new (
 684       SELF_VIDEO_SECTION_WIDTH + 5,
 685       SELF_VIDEO_SECTION_HEIGHT + 5);
 686
 687   clutter_actor_set_size (box1,
 688       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 689       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
 690       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
 691
 692   layout2 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 693       CLUTTER_BIN_ALIGNMENT_CENTER);
 694
 695   /* We have a box with the margins and the video in the middle inside
 696    * a bigger box with an extra bottom margin so we're not on top of
 697    * the floating toolbar. */
 698   box2 = clutter_box_new (layout2);
 699
 700   clutter_actor_set_size (box2,
 701       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 702       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
 703
 704   clutter_container_add_actor (CLUTTER_CONTAINER (box1), box2);
 705   clutter_container_add_actor (CLUTTER_CONTAINER (box2), rectangle);
 706
 707   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->video_layout),
 708       box1, x, y);
 709
 710   clutter_actor_hide (rectangle);
 711
 712   return rectangle;
 713 }
 714
 715 static void
 716 empathy_call_window_create_preview_rectangles (EmpathyCallWindow *self)
 717 {
 718   self->priv->preview_rectangle1 =
 719       empathy_call_window_create_preview_rectangle (self,
 720           &self->priv->preview_rectangle_box1,
 721           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_START);
 722   self->priv->preview_rectangle2 =
 723       empathy_call_window_create_preview_rectangle (self,
 724           &self->priv->preview_rectangle_box2,
 725           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_END);
 726   self->priv->preview_rectangle3 =
 727       empathy_call_window_create_preview_rectangle (self,
 728           &self->priv->preview_rectangle_box3,
 729           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_START);
 730   self->priv->preview_rectangle4 =
 731       empathy_call_window_create_preview_rectangle (self,
 732           &self->priv->preview_rectangle_box4,
 733           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
 734 }
 735
 736 static void
 737 empathy_call_window_show_preview_rectangles (EmpathyCallWindow *self,
 738     gboolean show)
 739 {
 740   g_object_set (self->priv->preview_rectangle1, "visible", show, NULL);
 741   g_object_set (self->priv->preview_rectangle2, "visible", show, NULL);
 742   g_object_set (self->priv->preview_rectangle3, "visible", show, NULL);
 743   g_object_set (self->priv->preview_rectangle4, "visible", show, NULL);
 744 }
 745
 746 static void
 747 empathy_call_window_get_preview_coordinates (EmpathyCallWindow *self,
 748     PreviewPosition pos,
 749     guint *x,
 750     guint *y)
 751 {
 752   guint ret_x = 0, ret_y = 0;
 753   ClutterGeometry box;
 754
 755   if (!clutter_actor_has_allocation (self->priv->video_box))
 756     goto out;
 757
 758   clutter_actor_get_geometry (self->priv->video_box, &box);
 759
 760   switch (pos)
 761     {
 762       case PREVIEW_POS_TOP_LEFT:
 763         ret_x = ret_y = SELF_VIDEO_SECTION_MARGIN;
 764         break;
 765       case PREVIEW_POS_TOP_RIGHT:
 766         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 767             - SELF_VIDEO_SECTION_WIDTH;
 768         ret_y = SELF_VIDEO_SECTION_MARGIN;
 769         break;
 770       case PREVIEW_POS_BOTTOM_LEFT:
 771         ret_x = SELF_VIDEO_SECTION_MARGIN;
 772         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 773             - SELF_VIDEO_SECTION_HEIGHT
 774             - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING;
 775         break;
 776       case PREVIEW_POS_BOTTOM_RIGHT:
 777         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 778             - SELF_VIDEO_SECTION_WIDTH;
 779         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 780             - SELF_VIDEO_SECTION_HEIGHT - FLOATING_TOOLBAR_HEIGHT
 781             - FLOATING_TOOLBAR_SPACING;
 782         break;
 783       default:
 784         g_warn_if_reached ();
 785     }
 786
 787 out:
 788   if (x != NULL)
 789     *x = ret_x;
 790
 791   if (y != NULL)
 792     *y = ret_y;
 793 }
 794
 795 static PreviewPosition
 796 empathy_call_window_get_preview_position (EmpathyCallWindow *self,
 797     gfloat event_x,
 798     gfloat event_y)
 799 {
 800   ClutterGeometry box;
 801   PreviewPosition pos = PREVIEW_POS_NONE;
 802
 803   if (!clutter_actor_has_allocation (self->priv->video_box))
 804     return pos;
 805
 806   clutter_actor_get_geometry (self->priv->video_box, &box);
 807
 808   if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 809       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 810       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 811       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 812     {
 813       pos = PREVIEW_POS_TOP_LEFT;
 814     }
 815   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 816       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 817       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 818       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 819     {
 820       pos = PREVIEW_POS_TOP_RIGHT;
 821     }
 822   else if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 823       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 824       box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 825       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 826     {
 827       pos = PREVIEW_POS_BOTTOM_LEFT;
 828     }
 829   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 830       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 831       box.height - SELF_VIDEO_SECTION_MARGIN - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 832       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 833     {
 834       pos = PREVIEW_POS_BOTTOM_RIGHT;
 835     }
 836
 837   return pos;
 838 }
 839
 840 static ClutterActor *
 841 empathy_call_window_get_preview_rectangle (EmpathyCallWindow *self,
 842     PreviewPosition pos)
 843 {
 844   ClutterActor *rectangle;
 845
 846   switch (pos)
 847     {
 848       case PREVIEW_POS_TOP_LEFT:
 849         rectangle = self->priv->preview_rectangle1;
 850         break;
 851       case PREVIEW_POS_TOP_RIGHT:
 852         rectangle = self->priv->preview_rectangle3;
 853         break;
 854       case PREVIEW_POS_BOTTOM_LEFT:
 855         rectangle = self->priv->preview_rectangle2;
 856         break;
 857       case PREVIEW_POS_BOTTOM_RIGHT:
 858         rectangle = self->priv->preview_rectangle4;
 859         break;
 860       default:
 861         rectangle = NULL;
 862     }
 863
 864   return rectangle;
 865 }
 866
 867 static void
 868 empathy_call_window_move_video_preview (EmpathyCallWindow *self,
 869     PreviewPosition pos)
 870 {
 871   ClutterBinLayout *layout = CLUTTER_BIN_LAYOUT (self->priv->video_layout);
 872
 873   DEBUG ("moving the video preview to %d", pos);
 874
 875   self->priv->preview_pos = pos;
 876
 877   switch (pos)
 878     {
 879       case PREVIEW_POS_TOP_LEFT:
 880         clutter_bin_layout_set_alignment (layout,
 881             self->priv->video_preview,
 882             CLUTTER_BIN_ALIGNMENT_START,
 883             CLUTTER_BIN_ALIGNMENT_START);
 884         break;
 885       case PREVIEW_POS_TOP_RIGHT:
 886         clutter_bin_layout_set_alignment (layout,
 887             self->priv->video_preview,
 888             CLUTTER_BIN_ALIGNMENT_END,
 889             CLUTTER_BIN_ALIGNMENT_START);
 890         break;
 891       case PREVIEW_POS_BOTTOM_LEFT:
 892         clutter_bin_layout_set_alignment (layout,
 893             self->priv->video_preview,
 894             CLUTTER_BIN_ALIGNMENT_START,
 895             CLUTTER_BIN_ALIGNMENT_END);
 896         break;
 897       case PREVIEW_POS_BOTTOM_RIGHT:
 898         clutter_bin_layout_set_alignment (layout,
 899             self->priv->video_preview,
 900             CLUTTER_BIN_ALIGNMENT_END,
 901             CLUTTER_BIN_ALIGNMENT_END);
 902         break;
 903       default:
 904         g_warn_if_reached ();
 905     }
 906
 907   g_settings_set_enum (self->priv->settings, "camera-position", pos);
 908 }
 909
 910 static void
 911 empathy_call_window_highlight_preview_rectangle (EmpathyCallWindow *self,
 912     PreviewPosition pos)
 913 {
 914   ClutterActor *rectangle;
 915
 916   rectangle = empathy_call_window_get_preview_rectangle (self, pos);
 917
 918   empathy_rounded_rectangle_set_border_width (
 919       EMPATHY_ROUNDED_RECTANGLE (rectangle), 5);
 920   empathy_rounded_rectangle_set_border_color (
 921       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Red);
 922 }
 923
 924 static void
 925 empathy_call_window_darken_preview_rectangle (EmpathyCallWindow *self,
 926     ClutterActor *rectangle)
 927 {
 928   empathy_rounded_rectangle_set_border_width (
 929       EMPATHY_ROUNDED_RECTANGLE (rectangle), 1);
 930   empathy_rounded_rectangle_set_border_color (
 931       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Black);
 932 }
 933
 934 static void
 935 empathy_call_window_darken_preview_rectangles (EmpathyCallWindow *self)
 936 {
 937   ClutterActor *rectangle;
 938
 939   rectangle = empathy_call_window_get_preview_rectangle (self,
 940       self->priv->preview_pos);
 941
 942   /* We don't want to darken the rectangle where the preview
 943    * currently is. */
 944
 945   if (self->priv->preview_rectangle1 != rectangle)
 946     empathy_call_window_darken_preview_rectangle (self,
 947         self->priv->preview_rectangle1);
 948
 949   if (self->priv->preview_rectangle2 != rectangle)
 950     empathy_call_window_darken_preview_rectangle (self,
 951         self->priv->preview_rectangle2);
 952
 953   if (self->priv->preview_rectangle3 != rectangle)
 954     empathy_call_window_darken_preview_rectangle (self,
 955         self->priv->preview_rectangle3);
 956
 957   if (self->priv->preview_rectangle4 != rectangle)
 958     empathy_call_window_darken_preview_rectangle (self,
 959         self->priv->preview_rectangle4);
 960 }
 961
 962 static void
 963 empathy_call_window_preview_on_drag_begin_cb (ClutterDragAction *action,
 964     ClutterActor *actor,
 965     gfloat event_x,
 966     gfloat event_y,
 967     ClutterModifierType modifiers,
 968     EmpathyCallWindow *self)
 969 {
 970   ClutterActor *stage = clutter_actor_get_stage (actor);
 971   gfloat rel_x, rel_y;
 972
 973   self->priv->drag_preview = clutter_clone_new (actor);
 974
 975   clutter_container_add_actor (CLUTTER_CONTAINER (stage),
 976       self->priv->drag_preview);
 977
 978   clutter_actor_transform_stage_point (actor, event_x, event_y,
 979       &rel_x, &rel_y);
 980
 981   clutter_actor_set_position (self->priv->drag_preview,
 982       event_x - rel_x, event_y - rel_y);
 983
 984   clutter_drag_action_set_drag_handle (action,
 985       self->priv->drag_preview);
 986
 987   clutter_actor_set_opacity (actor, 0);
 988   clutter_actor_hide (self->priv->preview_shown_button);
 989
 990   empathy_call_window_show_preview_rectangles (self, TRUE);
 991   empathy_call_window_darken_preview_rectangles (self);
 992 }
 993
 994 static void
 995 empathy_call_window_on_animation_completed_cb (ClutterAnimation *animation,
 996     ClutterActor *actor)
 997 {
 998   clutter_actor_set_opacity (actor, 255);
 999 }
1000
1001 static void
1002 empathy_call_window_preview_on_drag_end_cb (ClutterDragAction *action,
1003     ClutterActor *actor,
1004     gfloat event_x,
1005     gfloat event_y,
1006     ClutterModifierType modifiers,
1007     EmpathyCallWindow *self)
1008 {
1009   PreviewPosition pos;
1010   guint x, y;
1011
1012   /* Get the position before destroying the drag actor, otherwise the
1013    * preview_box allocation won't be valid and we won't be able to
1014    * calculate the position. */
1015   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1016
1017   empathy_call_window_get_preview_coordinates (self,
1018       pos != PREVIEW_POS_NONE ? pos : self->priv->preview_pos,
1019       &x, &y);
1020
1021   /* Move the preview to the destination and destroy it afterwards */
1022   clutter_actor_animate (self->priv->drag_preview, CLUTTER_LINEAR, 500,
1023       "x", (gfloat) x,
1024       "y", (gfloat) y,
1025       "signal-swapped-after::completed",
1026         clutter_actor_destroy, self->priv->drag_preview,
1027       "signal-swapped-after::completed",
1028         clutter_actor_show, self->priv->preview_shown_button,
1029       "signal::completed",
1030         empathy_call_window_on_animation_completed_cb, actor,
1031       NULL);
1032
1033   self->priv->drag_preview = NULL;
1034
1035   if (pos != PREVIEW_POS_NONE)
1036     empathy_call_window_move_video_preview (self, pos);
1037
1038   empathy_call_window_show_preview_rectangles (self, FALSE);
1039 }
1040
1041 static void
1042 empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
1043     ClutterActor *actor,
1044     gfloat delta_x,
1045     gfloat delta_y,
1046     EmpathyCallWindow *self)
1047 {
1048   PreviewPosition pos;
1049   gfloat event_x, event_y;
1050
1051   clutter_drag_action_get_motion_coords (action, &event_x, &event_y);
1052
1053   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1054
1055   if (pos != PREVIEW_POS_NONE)
1056     empathy_call_window_highlight_preview_rectangle (self, pos);
1057   else
1058     empathy_call_window_darken_preview_rectangles (self);
1059 }
1060
1061 static gboolean
1062 empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
1063     ClutterCrossingEvent *event,
1064     EmpathyCallWindow *self)
1065 {
1066   ClutterActor *rectangle;
1067
1068   rectangle = empathy_call_window_get_preview_rectangle (self,
1069       self->priv->preview_pos);
1070
1071   empathy_call_window_highlight_preview_rectangle (self,
1072       self->priv->preview_pos);
1073
1074   clutter_actor_show (rectangle);
1075
1076   return FALSE;
1077 }
1078
1079 static gboolean
1080 empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
1081     ClutterCrossingEvent *event,
1082     EmpathyCallWindow *self)
1083 {
1084   ClutterActor *rectangle;
1085
1086   rectangle = empathy_call_window_get_preview_rectangle (self,
1087       self->priv->preview_pos);
1088
1089   empathy_call_window_darken_preview_rectangle (self, rectangle);
1090
1091   clutter_actor_hide (rectangle);
1092
1093   return FALSE;
1094 }
1095
1096 static void
1097 create_video_preview (EmpathyCallWindow *self)
1098 {
1099   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1100   ClutterLayoutManager *layout, *layout_center, *layout_end;
1101   ClutterActor *preview;
1102   ClutterActor *box;
1103   ClutterActor *b;
1104   ClutterAction *action;
1105   GtkWidget *button;
1106   PreviewPosition pos;
1107   GdkRGBA transparent = { 0., 0., 0., 0. };
1108
1109   g_assert (priv->video_preview == NULL);
1110
1111   pos = g_settings_get_enum (priv->settings, "camera-position");
1112
1113   preview = empathy_rounded_texture_new ();
1114   clutter_actor_set_size (preview,
1115       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1116   priv->video_preview_sink = clutter_gst_video_sink_new (
1117       CLUTTER_TEXTURE (preview));
1118
1119   /* Add a little offset to the video preview */
1120   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1121       CLUTTER_BIN_ALIGNMENT_START);
1122   priv->video_preview = clutter_box_new (layout);
1123   clutter_actor_set_size (priv->video_preview,
1124       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1125       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
1126       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
1127
1128   /* Spinner for when changing the camera device */
1129   priv->preview_spinner_widget = gtk_spinner_new ();
1130   priv->preview_spinner_actor = empathy_rounded_actor_new ();
1131   empathy_rounded_actor_set_round_factor (
1132       EMPATHY_ROUNDED_ACTOR (priv->preview_spinner_actor), 16);
1133
1134   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1135   gtk_widget_override_background_color (
1136       gtk_clutter_actor_get_widget (
1137           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor)),
1138       GTK_STATE_FLAG_NORMAL, &transparent);
1139   gtk_widget_show (priv->preview_spinner_widget);
1140
1141   gtk_container_add (
1142       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1143           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1144       priv->preview_spinner_widget);
1145   clutter_actor_set_size (priv->preview_spinner_actor,
1146       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1147   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1148   clutter_actor_hide (priv->preview_spinner_actor);
1149
1150   /* We have a box with the margins and the video in the middle inside
1151    * a bigger box with an extra bottom margin so we're not on top of
1152    * the floating toolbar. */
1153   layout_center = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1154       CLUTTER_BIN_ALIGNMENT_CENTER);
1155   box = clutter_box_new (layout_center);
1156   clutter_actor_set_size (box,
1157       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1158       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1159
1160   clutter_container_add_actor (CLUTTER_CONTAINER (box), preview);
1161   clutter_container_add_actor (CLUTTER_CONTAINER (box),
1162       priv->preview_spinner_actor);
1163   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1164
1165   g_object_set (priv->video_preview_sink,
1166       "sync", FALSE,
1167       "async", FALSE,
1168       NULL);
1169
1170   /* Translators: this is an "Info" label. It should be as short
1171    * as possible. */
1172   button = gtk_button_new_with_label (_("i"));
1173   priv->preview_shown_button = b = empathy_rounded_actor_new ();
1174   gtk_container_add (
1175       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1176       button);
1177   clutter_actor_set_size (b, 24, 24);
1178
1179   layout_end = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_END,
1180       CLUTTER_BIN_ALIGNMENT_END);
1181   box = clutter_box_new (layout_end);
1182   clutter_actor_set_size (box,
1183       SELF_VIDEO_SECTION_WIDTH,
1184       SELF_VIDEO_SECTION_HEIGHT + SELF_VIDEO_SECTION_MARGIN);
1185
1186   clutter_container_add_actor (CLUTTER_CONTAINER (box), b);
1187   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1188
1189   g_signal_connect (button, "clicked",
1190       G_CALLBACK (empathy_call_window_preview_button_clicked_cb),
1191       self);
1192
1193   /* Translators: this is an "Info" label. It should be as short
1194    * as possible. */
1195   button = gtk_button_new_with_label (_("i"));
1196   b = empathy_rounded_actor_new ();
1197   gtk_container_add (
1198       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1199       button);
1200   clutter_actor_set_size (b, 24, 24);
1201   priv->preview_hidden_button = b;
1202
1203   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1204       priv->preview_hidden_button,
1205       CLUTTER_BIN_ALIGNMENT_START,
1206       CLUTTER_BIN_ALIGNMENT_END);
1207
1208   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1209
1210   clutter_actor_hide (priv->preview_hidden_button);
1211
1212   g_signal_connect (button, "clicked",
1213       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb),
1214       self);
1215
1216   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1217       priv->video_preview,
1218       CLUTTER_BIN_ALIGNMENT_START,
1219       CLUTTER_BIN_ALIGNMENT_END);
1220
1221   empathy_call_window_move_video_preview (self, pos);
1222
1223   action = clutter_drag_action_new ();
1224   g_signal_connect (action, "drag-begin",
1225       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1226   g_signal_connect (action, "drag-end",
1227       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1228   g_signal_connect (action, "drag-motion",
1229       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1230
1231   g_signal_connect (preview, "enter-event",
1232       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1233   g_signal_connect (preview, "leave-event",
1234       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1235
1236   clutter_actor_add_action (preview, action);
1237   clutter_actor_set_reactive (preview, TRUE);
1238   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1239 }
1240
1241 static void
1242 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1243 {
1244   clutter_actor_show (self->priv->preview_spinner_actor);
1245   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1246 }
1247
1248 static void
1249 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1250 {
1251   clutter_actor_hide (self->priv->preview_spinner_actor);
1252   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1253 }
1254
1255 void
1256 empathy_call_window_play_camera (EmpathyCallWindow *self,
1257     gboolean play)
1258 {
1259   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1260   GstElement *preview;
1261   GstState state;
1262
1263   if (priv->video_preview == NULL)
1264     {
1265       create_video_preview (self);
1266       add_video_preview_to_pipeline (self);
1267     }
1268
1269   if (play)
1270     {
1271       state = GST_STATE_PLAYING;
1272     }
1273   else
1274     {
1275       empathy_call_window_start_camera_spinning (self);
1276       state = GST_STATE_NULL;
1277     }
1278
1279   preview = priv->video_preview_sink;
1280
1281   gst_element_set_state (preview, state);
1282   gst_element_set_state (priv->video_tee, state);
1283   gst_element_set_state (priv->video_input, state);
1284 }
1285
1286 static void
1287 display_video_preview (EmpathyCallWindow *self,
1288     gboolean display)
1289 {
1290   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1291
1292   if (priv->video_preview == NULL)
1293     {
1294       create_video_preview (self);
1295       add_video_preview_to_pipeline (self);
1296     }
1297
1298   if (display)
1299     {
1300       /* Display the video preview */
1301       DEBUG ("Show video preview");
1302
1303       empathy_call_window_play_camera (self, TRUE);
1304       clutter_actor_show (priv->video_preview);
1305       clutter_actor_raise_top (priv->floating_toolbar);
1306     }
1307   else
1308     {
1309       /* Hide the video preview */
1310       DEBUG ("Hide video preview");
1311
1312       if (priv->video_preview != NULL)
1313         {
1314           clutter_actor_hide (priv->video_preview);
1315           empathy_call_window_play_camera (self, FALSE);
1316         }
1317     }
1318 }
1319
1320 static void
1321 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1322 {
1323   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1324
1325   empathy_call_window_status_message (window, _("Connecting…"));
1326   priv->call_state = CONNECTING;
1327
1328   /* Show the toolbar */
1329   clutter_state_set_state (priv->transitions, "fade-in");
1330
1331   if (priv->outgoing)
1332     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1333         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1334 }
1335
1336 static void
1337 disable_camera (EmpathyCallWindow *self)
1338 {
1339   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1340
1341   if (priv->camera_state == CAMERA_STATE_OFF)
1342     return;
1343
1344   DEBUG ("Disable camera");
1345
1346   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1347
1348   priv->camera_state = CAMERA_STATE_OFF;
1349 }
1350
1351 static void
1352 enable_camera (EmpathyCallWindow *self)
1353 {
1354   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1355
1356   if (priv->camera_state == CAMERA_STATE_ON)
1357     return;
1358
1359   if (priv->video_input == NULL)
1360     {
1361       DEBUG ("Can't enable camera, no input");
1362       return;
1363     }
1364
1365   DEBUG ("Enable camera");
1366
1367   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1368
1369   priv->camera_state = CAMERA_STATE_ON;
1370 }
1371
1372 static void
1373 empathy_call_window_camera_toggled_cb (GtkToggleToolButton *toggle,
1374   EmpathyCallWindow *self)
1375 {
1376   if (gtk_toggle_tool_button_get_active (toggle))
1377     enable_camera (self);
1378   else
1379     disable_camera (self);
1380 }
1381
1382 static void
1383 create_pipeline (EmpathyCallWindow *self)
1384 {
1385   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1386   GstBus *bus;
1387
1388   g_assert (priv->pipeline == NULL);
1389
1390   priv->pipeline = gst_pipeline_new (NULL);
1391   priv->pipeline_playing = FALSE;
1392
1393   priv->video_tee = gst_element_factory_make ("tee", NULL);
1394   gst_object_ref (priv->video_tee);
1395   gst_object_sink (priv->video_tee);
1396
1397   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1398
1399   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1400   priv->bus_message_source_id = gst_bus_add_watch (bus,
1401       empathy_call_window_bus_message, self);
1402
1403   g_object_unref (bus);
1404 }
1405
1406 static void
1407 empathy_call_window_settings_cb (GtkAction *action,
1408     EmpathyCallWindow *self)
1409 {
1410   gchar *args = g_strdup_printf ("-p %s",
1411       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1412
1413   empathy_launch_program (BIN_DIR, "empathy", args);
1414
1415   g_free (args);
1416 }
1417
1418 static void
1419 empathy_call_window_contents_cb (GtkAction *action,
1420     EmpathyCallWindow *self)
1421 {
1422   empathy_url_show (GTK_WIDGET (self), "ghelp:empathy?audio-video");
1423 }
1424
1425 static void
1426 empathy_call_window_debug_cb (GtkAction *action,
1427     EmpathyCallWindow *self)
1428 {
1429   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1430 }
1431
1432 static void
1433 empathy_call_window_about_cb (GtkAction *action,
1434     EmpathyCallWindow *self)
1435 {
1436   empathy_about_dialog_new (GTK_WINDOW (self));
1437 }
1438
1439 static gboolean
1440 empathy_call_window_toolbar_timeout (gpointer data)
1441 {
1442   EmpathyCallWindow *self = data;
1443
1444   /* We don't want to hide the toolbar if we're not in a call, as
1445    * to show the call status all the time. */
1446   if (self->priv->call_state != CONNECTING &&
1447       self->priv->call_state != DISCONNECTED)
1448     clutter_state_set_state (self->priv->transitions, "fade-out");
1449
1450   return TRUE;
1451 }
1452
1453 static gboolean
1454 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1455     GdkEvent *event,
1456     EmpathyCallWindow *self)
1457 {
1458   clutter_state_set_state (self->priv->transitions, "fade-in");
1459
1460   if (self->priv->inactivity_src > 0)
1461     g_source_remove (self->priv->inactivity_src);
1462
1463   self->priv->inactivity_src = g_timeout_add_seconds (3,
1464       empathy_call_window_toolbar_timeout, self);
1465
1466   return FALSE;
1467 }
1468
1469 static gboolean
1470 empathy_call_window_configure_event_cb (GtkWidget *widget,
1471     GdkEvent  *event,
1472     EmpathyCallWindow *self)
1473 {
1474   GdkWindow *gdk_window;
1475   GdkWindowState window_state;
1476
1477   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1478   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1479
1480   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1481       &self->priv->dialpad_width, NULL);
1482
1483   gdk_window = gtk_widget_get_window (widget);
1484   window_state = gdk_window_get_state (gdk_window);
1485   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1486
1487   return FALSE;
1488 }
1489
1490 static void
1491 empathy_call_window_destroyed_cb (GtkWidget *object,
1492     EmpathyCallWindow *self)
1493 {
1494   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1495     {
1496       /* Save the geometry as if the dialpad was hidden. */
1497       empathy_geometry_save_values (GTK_WINDOW (self),
1498           self->priv->x, self->priv->y,
1499           self->priv->w - self->priv->dialpad_width, self->priv->h,
1500           self->priv->maximized);
1501     }
1502 }
1503
1504 static void
1505 empathy_call_window_stage_allocation_changed_cb (ClutterActor *stage,
1506     GParamSpec *pspec,
1507     ClutterBindConstraint *constraint)
1508 {
1509   ClutterActorBox allocation;
1510
1511   clutter_actor_get_allocation_box (stage, &allocation);
1512
1513   clutter_bind_constraint_set_offset (constraint,
1514       allocation.y2 - allocation.y1 -
1515       FLOATING_TOOLBAR_SPACING - FLOATING_TOOLBAR_HEIGHT);
1516 }
1517
1518 static void
1519 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1520     gint response_id,
1521     EmpathyCallWindow *self)
1522 {
1523   switch (response_id)
1524     {
1525       case GTK_RESPONSE_ACCEPT:
1526         tp_channel_dispatch_operation_handle_with_async (
1527             self->priv->pending_cdo, EMPATHY_CALL_BUS_NAME, NULL, NULL);
1528
1529         tp_clear_object (&self->priv->pending_cdo);
1530         tp_clear_object (&self->priv->pending_channel);
1531         tp_clear_object (&self->priv->pending_context);
1532
1533         break;
1534       case GTK_RESPONSE_CANCEL:
1535         tp_channel_dispatch_operation_close_channels_async (
1536             self->priv->pending_cdo, NULL, NULL);
1537
1538         empathy_call_window_status_message (self, _("Disconnected"));
1539         self->priv->call_state = DISCONNECTED;
1540         break;
1541       default:
1542         g_warn_if_reached ();
1543     }
1544 }
1545
1546 static void
1547 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1548 {
1549   gboolean video;
1550
1551   g_assert (self->priv->call_state != CONNECTED);
1552
1553   video = tpy_call_channel_has_initial_video (self->priv->pending_channel);
1554
1555   empathy_call_window_status_message (self, _("Incoming call"));
1556   self->priv->call_state = RINGING;
1557
1558   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1559       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1560       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1561       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1562       empathy_contact_get_alias (self->priv->contact));
1563
1564   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1565       _("Reject"), GTK_RESPONSE_CANCEL,
1566       _("Answer"), GTK_RESPONSE_ACCEPT,
1567       NULL);
1568
1569   g_signal_connect (self->priv->incoming_call_dialog, "response",
1570       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1571   gtk_widget_show (self->priv->incoming_call_dialog);
1572 }
1573
1574 static void
1575 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1576     guint domain,
1577     gint code,
1578     gchar *message,
1579     EmpathyCallWindow *self)
1580 {
1581   tp_clear_object (&self->priv->pending_cdo);
1582   tp_clear_object (&self->priv->pending_channel);
1583   tp_clear_object (&self->priv->pending_context);
1584
1585   /* We don't know if the incoming call has been accepted or not, so we
1586    * assume it hasn't and if it has, we'll set the proper status when
1587    * we get the new handler. */
1588   empathy_call_window_status_message (self, _("Disconnected"));
1589   self->priv->call_state = DISCONNECTED;
1590
1591   gtk_widget_destroy (self->priv->incoming_call_dialog);
1592   self->priv->incoming_call_dialog = NULL;
1593 }
1594
1595 void
1596 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1597     TpyCallChannel *channel,
1598     TpChannelDispatchOperation *dispatch_operation,
1599     TpAddDispatchOperationContext *context)
1600 {
1601   g_assert (self->priv->pending_channel == NULL);
1602   g_assert (self->priv->pending_context == NULL);
1603   g_assert (self->priv->pending_cdo == NULL);
1604
1605   /* Start ringing and delay until the user answers or hangs. */
1606   self->priv->pending_channel = g_object_ref (channel);
1607   self->priv->pending_context = g_object_ref (context);
1608   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1609
1610   g_signal_connect (self->priv->pending_cdo, "invalidated",
1611       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1612
1613   empathy_call_window_set_state_ringing (self);
1614   tp_add_dispatch_operation_context_accept (context);
1615 }
1616
1617 static void
1618 empathy_call_window_init (EmpathyCallWindow *self)
1619 {
1620   EmpathyCallWindowPriv *priv;
1621   GtkBuilder *gui;
1622   GtkWidget *top_vbox;
1623   gchar *filename;
1624   ClutterConstraint *constraint;
1625   ClutterActor *remote_avatar;
1626   GtkStyleContext *context;
1627   GdkRGBA rgba;
1628   ClutterColor bg;
1629
1630   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1631     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1632
1633   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1634
1635   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1636   gui = empathy_builder_get_file (filename,
1637     "call_window_vbox", &top_vbox,
1638     "errors_vbox", &priv->errors_vbox,
1639     "pane", &priv->pane,
1640     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1641     "remote_user_avatar_toolbar", &priv->remote_user_avatar_toolbar,
1642     "status_label", &priv->status_label,
1643     "audiocall", &priv->audio_call_button,
1644     "videocall", &priv->video_call_button,
1645     "microphone", &priv->mic_button,
1646     "camera", &priv->camera_button,
1647     "hangup", &priv->hangup_button,
1648     "dialpad", &priv->dialpad_button,
1649     "toolbar", &priv->toolbar,
1650     "bottom_toolbar", &priv->bottom_toolbar,
1651     "ui_manager", &priv->ui_manager,
1652     "menufullscreen", &priv->menu_fullscreen,
1653     "menupreviewswap", &priv->menu_swap_camera,
1654     "details_vbox",  &priv->details_vbox,
1655     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1656     "acodec_encoding_label", &priv->acodec_encoding_label,
1657     "acodec_decoding_label", &priv->acodec_decoding_label,
1658     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1659     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1660     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1661     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1662     "video_local_candidate_label", &priv->video_local_candidate_label,
1663     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1664     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1665     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1666     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1667     NULL);
1668   g_free (filename);
1669
1670   empathy_builder_connect (gui, self,
1671     "hangup", "clicked", empathy_call_window_hangup_cb,
1672     "audiocall", "clicked", empathy_call_window_audio_call_cb,
1673     "videocall", "clicked", empathy_call_window_video_call_cb,
1674     "volume", "value-changed", empathy_call_window_volume_changed_cb,
1675     "microphone", "toggled", empathy_call_window_mic_toggled_cb,
1676     "camera", "toggled", empathy_call_window_camera_toggled_cb,
1677     "dialpad", "toggled", empathy_call_window_dialpad_cb,
1678     "menufullscreen", "activate", empathy_call_window_fullscreen_cb,
1679     "menusettings", "activate", empathy_call_window_settings_cb,
1680     "menucontents", "activate", empathy_call_window_contents_cb,
1681     "menudebug", "activate", empathy_call_window_debug_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   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1690
1691   priv->camera_monitor = empathy_camera_monitor_dup_singleton ();
1692
1693   g_object_bind_property (priv->camera_monitor, "available",
1694       priv->camera_button, "sensitive",
1695       G_BINDING_SYNC_CREATE);
1696
1697   g_signal_connect (priv->camera_monitor, "added",
1698       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1699   g_signal_connect (priv->camera_monitor, "removed",
1700       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1701
1702   priv->lock = g_mutex_new ();
1703
1704   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1705
1706   priv->content_hbox = gtk_hbox_new (FALSE, CONTENT_HBOX_SPACING);
1707   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
1708                                   CONTENT_HBOX_BORDER_WIDTH);
1709   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1710       TRUE, TRUE, 0);
1711
1712   /* avatar/video box */
1713   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1714       CLUTTER_BIN_ALIGNMENT_CENTER);
1715
1716   priv->video_box = clutter_box_new (priv->video_layout);
1717
1718   priv->video_container = gtk_clutter_embed_new ();
1719
1720   /* Set the background color to that of the rest of the window */
1721   context = gtk_widget_get_style_context (priv->content_hbox);
1722   gtk_style_context_get_background_color (context,
1723       GTK_STATE_FLAG_NORMAL, &rgba);
1724   bg.red = CLAMP (rgba.red * 255.0, 0, 255);
1725   bg.green = CLAMP (rgba.green * 255.0, 0, 255);
1726   bg.blue = CLAMP (rgba.blue * 255.0, 0, 255);
1727   bg.alpha = CLAMP (rgba.alpha * 255.0, 0, 255);
1728   clutter_stage_set_color (
1729       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1730           GTK_CLUTTER_EMBED (priv->video_container))),
1731       &bg);
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
1748   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1749       remote_avatar);
1750
1751   empathy_call_window_create_preview_rectangles (self);
1752
1753   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1754       priv->video_container, TRUE, TRUE,
1755       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1756
1757   create_pipeline (self);
1758   create_video_output_widget (self);
1759   create_audio_input (self);
1760   create_video_input (self);
1761
1762   priv->floating_toolbar = empathy_rounded_actor_new ();
1763
1764   gtk_widget_reparent (priv->bottom_toolbar,
1765       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1766
1767   constraint = clutter_bind_constraint_new (
1768       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1769       CLUTTER_BIND_Y, 0);
1770
1771   clutter_actor_add_constraint (priv->floating_toolbar, constraint);
1772
1773   g_signal_connect (
1774       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1775       "notify::allocation",
1776       G_CALLBACK (empathy_call_window_stage_allocation_changed_cb),
1777       constraint);
1778
1779   clutter_actor_set_size (priv->floating_toolbar,
1780       FLOATING_TOOLBAR_WIDTH, FLOATING_TOOLBAR_HEIGHT);
1781   clutter_actor_set_opacity (priv->floating_toolbar, FLOATING_TOOLBAR_OPACITY);
1782
1783   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1784       priv->floating_toolbar,
1785       CLUTTER_BIN_ALIGNMENT_CENTER,
1786       CLUTTER_BIN_ALIGNMENT_END);
1787
1788   clutter_actor_raise_top (priv->floating_toolbar);
1789
1790   /* Transitions for the floating toolbar */
1791   priv->transitions = clutter_state_new ();
1792
1793   /* all transitions last for 2s */
1794   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1795
1796   /* transition from any state to "fade-out" state */
1797   clutter_state_set (priv->transitions, NULL, "fade-out",
1798       priv->floating_toolbar,
1799       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1800       NULL);
1801
1802   /* transition from any state to "fade-in" state */
1803   clutter_state_set (priv->transitions, NULL, "fade-in",
1804       priv->floating_toolbar,
1805       "opacity", CLUTTER_EASE_OUT_QUAD, FLOATING_TOOLBAR_OPACITY,
1806       NULL);
1807
1808   /* put the actor into the "fade-in" state with no animation */
1809   clutter_state_warp_to_state (priv->transitions, "fade-in");
1810
1811   /* The call will be started as soon the pipeline is playing */
1812   priv->start_call_when_playing = TRUE;
1813
1814   priv->dtmf_panel = empathy_dialpad_widget_new ();
1815   g_signal_connect (priv->dtmf_panel, "start-tone",
1816       G_CALLBACK (dtmf_start_tone_cb), self);
1817
1818   priv->tones = g_string_new ("");
1819
1820   gtk_box_pack_start (GTK_BOX (priv->pane), priv->dtmf_panel,
1821       FALSE, FALSE, 6);
1822
1823   gtk_box_pack_start (GTK_BOX (priv->pane), priv->details_vbox,
1824       FALSE, FALSE, 0);
1825
1826   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1827
1828   gtk_widget_show_all (top_vbox);
1829
1830   gtk_widget_hide (priv->dtmf_panel);
1831   gtk_widget_hide (priv->details_vbox);
1832
1833   priv->fullscreen = empathy_call_window_fullscreen_new (self);
1834
1835   empathy_call_window_fullscreen_set_video_widget (priv->fullscreen,
1836       priv->video_container);
1837
1838   /* We hide the bottom toolbar after 3s of inactivity and show it
1839    * again on mouse movement */
1840   priv->inactivity_src = g_timeout_add_seconds (3,
1841       empathy_call_window_toolbar_timeout, self);
1842
1843   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1844       "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self);
1845
1846   g_signal_connect (G_OBJECT (self), "realize",
1847     G_CALLBACK (empathy_call_window_realized_cb), self);
1848
1849   g_signal_connect (G_OBJECT (self), "delete-event",
1850     G_CALLBACK (empathy_call_window_delete_cb), self);
1851
1852   g_signal_connect (G_OBJECT (self), "window-state-event",
1853     G_CALLBACK (empathy_call_window_state_event_cb), self);
1854
1855   g_signal_connect (G_OBJECT (self), "key-press-event",
1856       G_CALLBACK (empathy_call_window_key_press_cb), self);
1857
1858   g_signal_connect (self, "motion-notify-event",
1859       G_CALLBACK (empathy_call_window_motion_notify_cb), self);
1860
1861   priv->timer = g_timer_new ();
1862
1863   g_object_ref (priv->ui_manager);
1864   g_object_unref (gui);
1865
1866   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1867   priv->mic_menu = empathy_mic_menu_new (self);
1868   priv->camera_menu = empathy_camera_menu_new (self);
1869
1870   empathy_call_window_show_hangup_button (self, TRUE);
1871
1872   empathy_geometry_bind (GTK_WINDOW (self), "call-window");
1873   /* These signals are used to track the window position and save it
1874    * when the window is destroyed. We need to do this as we don't want
1875    * the window geometry to be saved with the dialpad taken into account. */
1876   g_signal_connect (self, "destroy",
1877       G_CALLBACK (empathy_call_window_destroyed_cb), self);
1878   g_signal_connect (self, "configure-event",
1879       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1880   g_signal_connect (self, "window-state-event",
1881       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1882
1883   /* Don't display labels in both toolbars */
1884   gtk_toolbar_set_style (GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
1885 }
1886
1887 /* Instead of specifying a width and a height, we specify only one size. That's
1888    because we want a square avatar icon.  */
1889 static void
1890 init_contact_avatar_with_size (EmpathyContact *contact,
1891     GtkWidget *image_widget,
1892     gint size)
1893 {
1894   GdkPixbuf *pixbuf_avatar = NULL;
1895
1896   if (contact != NULL)
1897     {
1898       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1899         size, size);
1900     }
1901
1902   if (pixbuf_avatar == NULL)
1903     {
1904       pixbuf_avatar = empathy_pixbuf_from_icon_name_sized (
1905           EMPATHY_IMAGE_AVATAR_DEFAULT, size);
1906     }
1907
1908   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1909
1910   if (pixbuf_avatar != NULL)
1911     g_object_unref (pixbuf_avatar);
1912 }
1913
1914 static void
1915 set_window_title (EmpathyCallWindow *self)
1916 {
1917   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1918   gchar *tmp;
1919
1920   if (priv->contact != NULL)
1921     {
1922       /* translators: Call is a noun and %s is the contact name. This string
1923        * is used in the window title */
1924       tmp = g_strdup_printf (_("Call with %s"),
1925           empathy_contact_get_alias (priv->contact));
1926       gtk_window_set_title (GTK_WINDOW (self), tmp);
1927       g_free (tmp);
1928     }
1929   else
1930     {
1931       g_warning ("Unknown remote contact!");
1932     }
1933 }
1934
1935 static void
1936 set_remote_user_name (EmpathyCallWindow *self,
1937   EmpathyContact *contact)
1938 {
1939   const gchar *alias = empathy_contact_get_alias (contact);
1940   const gchar *status = empathy_contact_get_status (contact);
1941   gchar *label;
1942
1943   label = g_strdup_printf ("%s\n<small>%s</small>", alias, status);
1944   gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_name_toolbar),
1945       label);
1946   g_free (label);
1947 }
1948
1949 static void
1950 contact_name_changed_cb (EmpathyContact *contact,
1951     GParamSpec *pspec,
1952     EmpathyCallWindow *self)
1953 {
1954   set_window_title (self);
1955   set_remote_user_name (self, contact);
1956 }
1957
1958 static void
1959 contact_presence_changed_cb (EmpathyContact *contact,
1960     GParamSpec *pspec,
1961     EmpathyCallWindow *self)
1962 {
1963   set_remote_user_name (self, contact);
1964 }
1965
1966 static void
1967 contact_avatar_changed_cb (EmpathyContact *contact,
1968     GParamSpec *pspec,
1969     EmpathyCallWindow *self)
1970 {
1971   int size;
1972   GtkAllocation allocation;
1973   GtkWidget *avatar_widget;
1974
1975   avatar_widget = self->priv->remote_user_avatar_widget;
1976
1977   gtk_widget_get_allocation (avatar_widget, &allocation);
1978   size = allocation.height;
1979
1980   if (size == 0)
1981     {
1982       /* the widget is not allocated yet, set a default size */
1983       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1984           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1985     }
1986
1987   init_contact_avatar_with_size (contact, avatar_widget, size);
1988
1989   avatar_widget = self->priv->remote_user_avatar_toolbar;
1990
1991   gtk_widget_get_allocation (avatar_widget, &allocation);
1992   size = allocation.height;
1993
1994   if (size == 0)
1995     {
1996       /* the widget is not allocated yet, set a default size */
1997       size = SMALL_TOOLBAR_SIZE;
1998     }
1999
2000   init_contact_avatar_with_size (contact, avatar_widget, size);
2001 }
2002
2003 static void
2004 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2005     EmpathyCallHandler *handler)
2006 {
2007   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2008
2009   tp_g_signal_connect_object (priv->contact, "notify::name",
2010       G_CALLBACK (contact_name_changed_cb), self, 0);
2011   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2012     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2013   tp_g_signal_connect_object (priv->contact, "notify::presence",
2014       G_CALLBACK (contact_presence_changed_cb), self, 0);
2015
2016   set_window_title (self);
2017   set_remote_user_name (self, priv->contact);
2018
2019   init_contact_avatar_with_size (priv->contact,
2020       priv->remote_user_avatar_widget,
2021       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2022           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2023
2024   init_contact_avatar_with_size (priv->contact,
2025       priv->remote_user_avatar_toolbar,
2026       SMALL_TOOLBAR_SIZE);
2027
2028   /* The remote avatar is shown by default and will be hidden when we receive
2029      video from the remote side. */
2030   clutter_actor_hide (priv->video_output);
2031   gtk_widget_show (priv->remote_user_avatar_widget);
2032 }
2033
2034 static void
2035 update_send_codec (EmpathyCallWindow *self,
2036     gboolean audio)
2037 {
2038   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2039   FsCodec *codec;
2040   GtkWidget *widget;
2041   gchar *tmp;
2042
2043   if (audio)
2044     {
2045       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2046       widget = priv->acodec_encoding_label;
2047     }
2048   else
2049     {
2050       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2051       widget = priv->vcodec_encoding_label;
2052     }
2053
2054   if (codec == NULL)
2055     return;
2056
2057   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2058   gtk_label_set_text (GTK_LABEL (widget), tmp);
2059   g_free (tmp);
2060 }
2061
2062 static void
2063 send_audio_codec_notify_cb (GObject *object,
2064     GParamSpec *pspec,
2065     gpointer user_data)
2066 {
2067   EmpathyCallWindow *self = user_data;
2068
2069   update_send_codec (self, TRUE);
2070 }
2071
2072 static void
2073 send_video_codec_notify_cb (GObject *object,
2074     GParamSpec *pspec,
2075     gpointer user_data)
2076 {
2077   EmpathyCallWindow *self = user_data;
2078
2079   update_send_codec (self, FALSE);
2080 }
2081
2082 static void
2083 update_recv_codec (EmpathyCallWindow *self,
2084     gboolean audio)
2085 {
2086   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2087   GList *codecs, *l;
2088   GtkWidget *widget;
2089   GString *str = NULL;
2090
2091   if (audio)
2092     {
2093       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2094       widget = priv->acodec_decoding_label;
2095     }
2096   else
2097     {
2098       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2099       widget = priv->vcodec_decoding_label;
2100     }
2101
2102   if (codecs == NULL)
2103     return;
2104
2105   for (l = codecs; l != NULL; l = g_list_next (l))
2106     {
2107       FsCodec *codec = l->data;
2108
2109       if (str == NULL)
2110         str = g_string_new (NULL);
2111       else
2112         g_string_append (str, ", ");
2113
2114       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2115           codec->clock_rate);
2116     }
2117
2118   gtk_label_set_text (GTK_LABEL (widget), str->str);
2119   g_string_free (str, TRUE);
2120 }
2121
2122 static void
2123 recv_audio_codecs_notify_cb (GObject *object,
2124     GParamSpec *pspec,
2125     gpointer user_data)
2126 {
2127   EmpathyCallWindow *self = user_data;
2128
2129   update_recv_codec (self, TRUE);
2130 }
2131
2132 static void
2133 recv_video_codecs_notify_cb (GObject *object,
2134     GParamSpec *pspec,
2135     gpointer user_data)
2136 {
2137   EmpathyCallWindow *self = user_data;
2138
2139   update_recv_codec (self, FALSE);
2140 }
2141
2142 static const gchar *
2143 candidate_type_to_str (FsCandidate *candidate)
2144 {
2145   switch (candidate->type)
2146     {
2147       case FS_CANDIDATE_TYPE_HOST:
2148         return "host";
2149       case FS_CANDIDATE_TYPE_SRFLX:
2150         return "server reflexive";
2151       case FS_CANDIDATE_TYPE_PRFLX:
2152         return "peer reflexive";
2153       case FS_CANDIDATE_TYPE_RELAY:
2154         return "relay";
2155       case FS_CANDIDATE_TYPE_MULTICAST:
2156         return "multicast";
2157     }
2158
2159   return NULL;
2160 }
2161
2162 static const gchar *
2163 candidate_type_to_desc (FsCandidate *candidate)
2164 {
2165   switch (candidate->type)
2166     {
2167       case FS_CANDIDATE_TYPE_HOST:
2168         return _("The IP address as seen by the machine");
2169       case FS_CANDIDATE_TYPE_SRFLX:
2170         return _("The IP address as seen by a server on the Internet");
2171       case FS_CANDIDATE_TYPE_PRFLX:
2172         return _("The IP address of the peer as seen by the other side");
2173       case FS_CANDIDATE_TYPE_RELAY:
2174         return _("The IP address of a relay server");
2175       case FS_CANDIDATE_TYPE_MULTICAST:
2176         return _("The IP address of the multicast group");
2177     }
2178
2179   return NULL;
2180 }
2181
2182 static void
2183 update_candidat_widget (EmpathyCallWindow *self,
2184     GtkWidget *label,
2185     GtkWidget *img,
2186     FsCandidate *candidate)
2187 {
2188   gchar *str;
2189
2190   g_assert (candidate != NULL);
2191   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2192       candidate->port, candidate_type_to_str (candidate));
2193
2194   gtk_label_set_text (GTK_LABEL (label), str);
2195   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2196
2197   g_free (str);
2198 }
2199
2200 static void
2201 candidates_changed_cb (GObject *object,
2202     FsMediaType type,
2203     EmpathyCallWindow *self)
2204 {
2205   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2206   FsCandidate *candidate = NULL;
2207
2208   if (type == FS_MEDIA_TYPE_VIDEO)
2209     {
2210       /* Update remote candidate */
2211       candidate = empathy_call_handler_get_video_remote_candidate (
2212           priv->handler);
2213
2214       update_candidat_widget (self, priv->video_remote_candidate_label,
2215           priv->video_remote_candidate_info_img, candidate);
2216
2217       /* Update local candidate */
2218       candidate = empathy_call_handler_get_video_local_candidate (
2219           priv->handler);
2220
2221       update_candidat_widget (self, priv->video_local_candidate_label,
2222           priv->video_local_candidate_info_img, candidate);
2223     }
2224   else
2225     {
2226       /* Update remote candidate */
2227       candidate = empathy_call_handler_get_audio_remote_candidate (
2228           priv->handler);
2229
2230       update_candidat_widget (self, priv->audio_remote_candidate_label,
2231           priv->audio_remote_candidate_info_img, candidate);
2232
2233       /* Update local candidate */
2234       candidate = empathy_call_handler_get_audio_local_candidate (
2235           priv->handler);
2236
2237       update_candidat_widget (self, priv->audio_local_candidate_label,
2238           priv->audio_local_candidate_info_img, candidate);
2239     }
2240 }
2241
2242 static void
2243 empathy_call_window_constructed (GObject *object)
2244 {
2245   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2246   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2247   TpyCallChannel *call;
2248   TpyCallState state;
2249
2250   g_assert (priv->handler != NULL);
2251
2252   g_object_get (priv->handler, "call-channel", &call, NULL);
2253   state = tpy_call_channel_get_state (call, NULL, NULL);
2254   priv->outgoing = (state == TPY_CALL_STATE_PENDING_INITIATOR);
2255   tp_clear_object (&call);
2256
2257   g_object_get (priv->handler, "target-contact", &priv->contact, NULL);
2258   g_assert (priv->contact != NULL);
2259
2260   if (!empathy_contact_can_voip_video (priv->contact))
2261     {
2262       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2263       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2264     }
2265
2266   empathy_call_window_setup_avatars (self, priv->handler);
2267   empathy_call_window_set_state_connecting (self);
2268
2269   if (!empathy_call_handler_has_initial_video (priv->handler))
2270     {
2271       gtk_toggle_tool_button_set_active (
2272           GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
2273     }
2274   /* If call has InitialVideo, the preview will be started once the call has
2275    * been started (start_call()). */
2276
2277   update_send_codec (self, TRUE);
2278   update_send_codec (self, FALSE);
2279   update_recv_codec (self, TRUE);
2280   update_recv_codec (self, FALSE);
2281
2282   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2283       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2284   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2285       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2286   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2287       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2288   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2289       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2290
2291   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2292       G_CALLBACK (candidates_changed_cb), self, 0);
2293 }
2294
2295 static void empathy_call_window_dispose (GObject *object);
2296 static void empathy_call_window_finalize (GObject *object);
2297
2298 static void
2299 empathy_call_window_set_property (GObject *object,
2300   guint property_id, const GValue *value, GParamSpec *pspec)
2301 {
2302   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2303
2304   switch (property_id)
2305     {
2306       case PROP_CALL_HANDLER:
2307         priv->handler = g_value_dup_object (value);
2308         break;
2309       default:
2310         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2311     }
2312 }
2313
2314 static void
2315 empathy_call_window_get_property (GObject *object,
2316   guint property_id, GValue *value, GParamSpec *pspec)
2317 {
2318   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2319
2320   switch (property_id)
2321     {
2322       case PROP_CALL_HANDLER:
2323         g_value_set_object (value, priv->handler);
2324         break;
2325       default:
2326         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2327     }
2328 }
2329
2330 static void
2331 empathy_call_window_class_init (
2332   EmpathyCallWindowClass *empathy_call_window_class)
2333 {
2334   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2335   GParamSpec *param_spec;
2336
2337   g_type_class_add_private (empathy_call_window_class,
2338     sizeof (EmpathyCallWindowPriv));
2339
2340   object_class->constructed = empathy_call_window_constructed;
2341   object_class->set_property = empathy_call_window_set_property;
2342   object_class->get_property = empathy_call_window_get_property;
2343
2344   object_class->dispose = empathy_call_window_dispose;
2345   object_class->finalize = empathy_call_window_finalize;
2346
2347   param_spec = g_param_spec_object ("handler",
2348     "handler", "The call handler",
2349     EMPATHY_TYPE_CALL_HANDLER,
2350     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2351   g_object_class_install_property (object_class,
2352     PROP_CALL_HANDLER, param_spec);
2353 }
2354
2355 void
2356 empathy_call_window_dispose (GObject *object)
2357 {
2358   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2359   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2360
2361   if (priv->dispose_has_run)
2362     return;
2363
2364   priv->dispose_has_run = TRUE;
2365
2366   if (priv->handler != NULL)
2367     {
2368       empathy_call_handler_stop_call (priv->handler);
2369       tp_clear_object (&priv->handler);
2370     }
2371
2372   if (priv->bus_message_source_id != 0)
2373     {
2374       g_source_remove (priv->bus_message_source_id);
2375       priv->bus_message_source_id = 0;
2376     }
2377
2378   if (priv->got_video_src > 0)
2379     {
2380       g_source_remove (priv->got_video_src);
2381       priv->got_video_src = 0;
2382     }
2383
2384   if (priv->inactivity_src > 0)
2385     {
2386       g_source_remove (priv->inactivity_src);
2387       priv->inactivity_src = 0;
2388     }
2389
2390   tp_clear_object (&priv->pipeline);
2391   tp_clear_object (&priv->video_input);
2392   tp_clear_object (&priv->audio_input);
2393   tp_clear_object (&priv->video_tee);
2394   tp_clear_object (&priv->ui_manager);
2395   tp_clear_object (&priv->fullscreen);
2396   tp_clear_object (&priv->camera_monitor);
2397   tp_clear_object (&priv->settings);
2398   tp_clear_object (&priv->sound_mgr);
2399   tp_clear_object (&priv->mic_menu);
2400   tp_clear_object (&priv->camera_menu);
2401
2402   g_list_free_full (priv->notifiers, g_object_unref);
2403
2404   if (priv->timer_id != 0)
2405     g_source_remove (priv->timer_id);
2406   priv->timer_id = 0;
2407
2408   if (priv->contact != NULL)
2409     {
2410       g_signal_handlers_disconnect_by_func (priv->contact,
2411           contact_name_changed_cb, self);
2412       priv->contact = NULL;
2413     }
2414
2415   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2416 }
2417
2418 static void
2419 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2420 {
2421   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2422
2423   if (priv->video_output_motion_handler_id != 0)
2424     {
2425       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2426           priv->video_output_motion_handler_id);
2427       priv->video_output_motion_handler_id = 0;
2428     }
2429 }
2430
2431 void
2432 empathy_call_window_finalize (GObject *object)
2433 {
2434   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2435   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2436
2437   disconnect_video_output_motion_handler (self);
2438
2439   /* free any data held directly by the object here */
2440   g_mutex_free (priv->lock);
2441
2442   g_timer_destroy (priv->timer);
2443
2444   g_string_free (priv->tones, TRUE);
2445
2446   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2447 }
2448
2449
2450 EmpathyCallWindow *
2451 empathy_call_window_new (EmpathyCallHandler *handler)
2452 {
2453   return EMPATHY_CALL_WINDOW (
2454     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2455 }
2456
2457 void
2458 empathy_call_window_present (EmpathyCallWindow *self,
2459     EmpathyCallHandler *handler)
2460 {
2461   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2462
2463   tp_clear_object (&self->priv->handler);
2464   self->priv->handler = g_object_ref (handler);
2465   empathy_call_window_connect_handler (self);
2466
2467   empathy_window_present (GTK_WINDOW (self));
2468   empathy_call_window_restart_call (self);
2469 }
2470
2471 static void
2472 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2473   GstElement *conference, gpointer user_data)
2474 {
2475   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2476   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2477   FsElementAddedNotifier *notifier;
2478   GKeyFile *keyfile;
2479
2480   DEBUG ("Conference added");
2481
2482   /* Add notifier to set the various element properties as needed */
2483   notifier = fs_element_added_notifier_new ();
2484   keyfile = fs_utils_get_default_element_properties (conference);
2485
2486   if (keyfile != NULL)
2487     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2488
2489   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2490
2491   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2492
2493   gst_bin_add (GST_BIN (priv->pipeline), conference);
2494   gst_element_set_state (conference, GST_STATE_PLAYING);
2495 }
2496
2497 static void
2498 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2499   GstElement *conference, gpointer user_data)
2500 {
2501   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2502   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2503
2504   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2505   gst_element_set_state (conference, GST_STATE_NULL);
2506 }
2507
2508 static gboolean
2509 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2510 {
2511   GstStateChangeReturn state_change_return;
2512   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2513
2514   if (priv->pipeline == NULL)
2515     return TRUE;
2516
2517   if (priv->bus_message_source_id != 0)
2518     {
2519       g_source_remove (priv->bus_message_source_id);
2520       priv->bus_message_source_id = 0;
2521     }
2522
2523   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2524
2525   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2526         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2527     {
2528       if (priv->pipeline != NULL)
2529         g_object_unref (priv->pipeline);
2530       priv->pipeline = NULL;
2531
2532       if (priv->audio_output != NULL)
2533         g_object_unref (priv->audio_output);
2534       priv->audio_output = NULL;
2535
2536       if (priv->video_tee != NULL)
2537         g_object_unref (priv->video_tee);
2538       priv->video_tee = NULL;
2539
2540       if (priv->video_preview != NULL)
2541         clutter_actor_destroy (priv->video_preview);
2542       priv->video_preview = NULL;
2543
2544       /* If we destroy the preview while it's being dragged, we won't
2545        * get the ::drag-end signal, so manually destroy the clone */
2546       if (priv->drag_preview != NULL)
2547         {
2548           clutter_actor_destroy (priv->drag_preview);
2549           empathy_call_window_show_preview_rectangles (self, FALSE);
2550           priv->drag_preview = NULL;
2551         }
2552
2553       priv->funnel = NULL;
2554
2555       create_pipeline (self);
2556       /* Call will be started when user will hit the 'redial' button */
2557       priv->start_call_when_playing = FALSE;
2558       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2559
2560       return TRUE;
2561     }
2562   else
2563     {
2564       g_message ("Error: could not destroy pipeline. Closing call window");
2565       gtk_widget_destroy (GTK_WIDGET (self));
2566
2567       return FALSE;
2568     }
2569 }
2570
2571 static void
2572 reset_details_pane (EmpathyCallWindow *self)
2573 {
2574   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2575
2576   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2577   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2578   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2579   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2580 }
2581
2582 static gboolean
2583 empathy_call_window_disconnected (EmpathyCallWindow *self,
2584     gboolean restart)
2585 {
2586   gboolean could_disconnect = FALSE;
2587   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2588   gboolean could_reset_pipeline;
2589
2590   /* Leave full screen mode if needed */
2591   gtk_window_unfullscreen (GTK_WINDOW (self));
2592
2593   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2594   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2595
2596   priv->sending_tones = FALSE;
2597   g_string_set_size (priv->tones, 0);
2598
2599   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2600
2601   if (priv->call_state == CONNECTING)
2602       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2603
2604   if (priv->call_state != REDIALING)
2605     priv->call_state = DISCONNECTED;
2606
2607   /* Show the toolbar */
2608   clutter_state_set_state (priv->transitions, "fade-in");
2609
2610   if (could_reset_pipeline)
2611     {
2612       g_mutex_lock (priv->lock);
2613
2614       g_timer_stop (priv->timer);
2615
2616       if (priv->timer_id != 0)
2617         g_source_remove (priv->timer_id);
2618       priv->timer_id = 0;
2619
2620       g_mutex_unlock (priv->lock);
2621
2622       if (!restart)
2623         /* We are about to destroy the window, no need to update it or create
2624          * a video preview */
2625         return TRUE;
2626
2627       empathy_call_window_status_message (self, _("Disconnected"));
2628
2629       empathy_call_window_show_hangup_button (self, FALSE);
2630
2631       /* Unsensitive the camera and mic button */
2632       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2633       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2634
2635       /* Be sure that the mic button is enabled */
2636       gtk_toggle_tool_button_set_active (
2637           GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE);
2638
2639       if (priv->camera_state == CAMERA_STATE_ON)
2640         {
2641           /* Restart the preview with the new pipeline. */
2642           display_video_preview (self, TRUE);
2643         }
2644
2645       /* destroy the video output; it will be recreated when we'll redial */
2646       disconnect_video_output_motion_handler (self);
2647       if (priv->video_output != NULL)
2648         clutter_actor_destroy (priv->video_output);
2649       priv->video_output = NULL;
2650       if (priv->got_video_src > 0)
2651         {
2652           g_source_remove (priv->got_video_src);
2653           priv->got_video_src = 0;
2654         }
2655
2656       gtk_widget_show (priv->remote_user_avatar_widget);
2657
2658       reset_details_pane (self);
2659
2660       priv->sending_video = FALSE;
2661       priv->call_started = FALSE;
2662
2663       could_disconnect = TRUE;
2664
2665       /* TODO: display the self avatar of the preview (depends if the "Always
2666        * Show Video Preview" is enabled or not) */
2667     }
2668
2669   return could_disconnect;
2670 }
2671
2672
2673 static void
2674 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2675     gpointer user_data)
2676 {
2677   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2678   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2679
2680   if (empathy_call_window_disconnected (self, TRUE) &&
2681       priv->call_state == REDIALING)
2682       empathy_call_window_restart_call (self);
2683 }
2684
2685 static gboolean
2686 empathy_call_window_content_is_raw (TfContent *content)
2687 {
2688   FsConference *conference;
2689   gboolean israw;
2690
2691   g_object_get (content, "fs-conference", &conference, NULL);
2692   g_assert (conference != NULL);
2693
2694   /* FIXME: Ugly hack, update when moving a packetization property into
2695    * farstream */
2696   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2697   gst_object_unref (conference);
2698
2699   return israw;
2700 }
2701
2702 static gboolean
2703 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2704     TfContent *content,
2705     EmpathyCallWindow *self)
2706 {
2707   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2708   FsMediaType media_type;
2709
2710   DEBUG ("removing content");
2711
2712   g_object_get (content, "media-type", &media_type, NULL);
2713
2714   /*
2715    * This assumes that there is only one video stream per channel...
2716    */
2717
2718   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2719     {
2720       if (priv->funnel != NULL)
2721         {
2722           GstElement *output;
2723
2724           output = priv->video_output_sink;
2725
2726           gst_element_set_state (output, GST_STATE_NULL);
2727           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2728
2729           gst_bin_remove (GST_BIN (priv->pipeline), output);
2730           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2731           priv->funnel = NULL;
2732         }
2733     }
2734   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2735     {
2736       if (priv->audio_output != NULL)
2737         {
2738           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2739
2740           gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2741           priv->audio_output = NULL;
2742         }
2743     }
2744   else
2745     {
2746       g_assert_not_reached ();
2747     }
2748
2749   return TRUE;
2750 }
2751
2752 static void
2753 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2754     guint framerate,
2755     EmpathyCallWindow *self)
2756 {
2757   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2758
2759   DEBUG ("Framerate changed to %u", framerate);
2760
2761   if (priv->video_input != NULL)
2762     empathy_video_src_set_framerate (priv->video_input, framerate);
2763 }
2764
2765 static void
2766 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2767     guint width,
2768     guint height,
2769     EmpathyCallWindow *self)
2770 {
2771   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2772
2773   DEBUG ("Resolution changed to %ux%u", width, height);
2774
2775   if (priv->video_input != NULL)
2776     {
2777       empathy_video_src_set_resolution (priv->video_input, width, height);
2778     }
2779 }
2780
2781 /* Called with global lock held */
2782 static GstPad *
2783 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2784 {
2785   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2786   GstPad *pad;
2787   GstElement *output;
2788
2789   if (priv->funnel == NULL)
2790     {
2791       output = priv->video_output_sink;
2792
2793       priv->funnel = gst_element_factory_make ("fsfunnel", NULL);
2794
2795       if (!priv->funnel)
2796         {
2797           g_warning ("Could not create fsfunnel");
2798           return NULL;
2799         }
2800
2801       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2802         {
2803           gst_object_unref (priv->funnel);
2804           priv->funnel = NULL;
2805           g_warning ("Could  not add funnel to pipeline");
2806           return NULL;
2807         }
2808
2809       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2810         {
2811           g_warning ("Could not add the video output widget to the pipeline");
2812           goto error;
2813         }
2814
2815       if (!gst_element_link (priv->funnel, output))
2816         {
2817           g_warning ("Could not link output sink to funnel");
2818           goto error_output_added;
2819         }
2820
2821       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2822         {
2823           g_warning ("Could not start video sink");
2824           goto error_output_added;
2825         }
2826
2827       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2828         {
2829           g_warning ("Could not start funnel");
2830           goto error_output_added;
2831         }
2832     }
2833
2834   pad = gst_element_get_request_pad (priv->funnel, "sink%d");
2835
2836   if (!pad)
2837     g_warning ("Could not get request pad from funnel");
2838
2839   return pad;
2840
2841
2842  error_output_added:
2843
2844   gst_element_set_locked_state (priv->funnel, TRUE);
2845   gst_element_set_locked_state (output, TRUE);
2846
2847   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2848   gst_element_set_state (output, GST_STATE_NULL);
2849
2850   gst_bin_remove (GST_BIN (priv->pipeline), output);
2851   gst_element_set_locked_state (output, FALSE);
2852
2853  error:
2854
2855   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2856   priv->funnel = NULL;
2857
2858   return NULL;
2859 }
2860
2861 /* Called with global lock held */
2862 static GstPad *
2863 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2864   TfContent *content)
2865 {
2866   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2867   GstPad *pad;
2868   GstPadTemplate *template;
2869
2870   if (priv->audio_output == NULL)
2871     {
2872       priv->audio_output = empathy_audio_sink_new ();
2873       g_object_ref_sink (priv->audio_output);
2874
2875       g_object_bind_property_full (content, "requested-output-volume",
2876         priv->audio_output, "volume",
2877         G_BINDING_DEFAULT,
2878         audio_control_volume_to_element,
2879         element_volume_to_audio_control,
2880         NULL, NULL);
2881
2882       /* Link volumes together, sync the current audio input volume property
2883         * back to farstream first */
2884       g_object_bind_property_full (priv->audio_output, "volume",
2885         content, "reported-output-volume",
2886         G_BINDING_SYNC_CREATE,
2887         element_volume_to_audio_control,
2888         audio_control_volume_to_element,
2889         NULL, NULL);
2890
2891       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2892         {
2893           g_warning ("Could not add audio sink to pipeline");
2894           g_object_unref (priv->audio_output);
2895           goto error_add_output;
2896         }
2897
2898       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2899         {
2900           g_warning ("Could not start audio sink");
2901           goto error;
2902         }
2903     }
2904
2905   /* For raw audio conferences assume that the producer of the raw data
2906    * has already processed it, so turn off any echo cancellation and any
2907    * other audio improvements that come with it */
2908   empathy_audio_sink_set_echo_cancel (
2909     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
2910     !empathy_call_window_content_is_raw (content));
2911
2912   template = gst_element_class_get_pad_template (
2913     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2914
2915   pad = gst_element_request_pad (priv->audio_output,
2916     template, NULL, NULL);
2917
2918   if (pad == NULL)
2919     {
2920       g_warning ("Could not get sink pad from sink");
2921       return NULL;
2922     }
2923
2924   return pad;
2925
2926 error:
2927   gst_element_set_locked_state (priv->audio_output, TRUE);
2928   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2929   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2930   priv->audio_output = NULL;
2931
2932 error_add_output:
2933
2934   return NULL;
2935 }
2936
2937 static gboolean
2938 empathy_call_window_update_timer (gpointer user_data)
2939 {
2940   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2941   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2942   const gchar *status;
2943   gchar *str;
2944   gdouble time_;
2945
2946   time_ = g_timer_elapsed (priv->timer, NULL);
2947
2948   if (priv->call_state == HELD)
2949     status = _("On hold");
2950   else if (!gtk_toggle_tool_button_get_active (
2951       GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
2952     status = _("Mute");
2953   else
2954     status = _("Duration");
2955
2956   /* Translators: 'status - minutes:seconds' the caller has been connected */
2957   str = g_strdup_printf (_("%s — %d:%02dm"),
2958       status,
2959       (int) time_ / 60, (int) time_ % 60);
2960   empathy_call_window_status_message (self, str);
2961   g_free (str);
2962
2963   return TRUE;
2964 }
2965
2966 enum
2967 {
2968   EMP_RESPONSE_BALANCE
2969 };
2970
2971 static void
2972 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2973     gint response_id,
2974     gpointer user_data)
2975 {
2976   switch (response_id)
2977     {
2978       case GTK_RESPONSE_CLOSE:
2979         gtk_widget_destroy (GTK_WIDGET (info_bar));
2980         break;
2981       case EMP_RESPONSE_BALANCE:
2982         empathy_url_show (GTK_WIDGET (info_bar),
2983             g_object_get_data (G_OBJECT (info_bar), "uri"));
2984         break;
2985     }
2986 }
2987
2988 static void
2989 display_error (EmpathyCallWindow *self,
2990     const gchar *img,
2991     const gchar *title,
2992     const gchar *desc,
2993     const gchar *details,
2994     const gchar *button_text,
2995     const gchar *uri,
2996     gint button_response)
2997 {
2998   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2999   GtkWidget *info_bar;
3000   GtkWidget *content_area;
3001   GtkWidget *hbox;
3002   GtkWidget *vbox;
3003   GtkWidget *image;
3004   GtkWidget *label;
3005   gchar *txt;
3006
3007   /* Create info bar */
3008   info_bar = gtk_info_bar_new ();
3009
3010   if (button_text != NULL)
3011     {
3012       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3013           button_text, button_response);
3014       g_object_set_data_full (G_OBJECT (info_bar),
3015           "uri", g_strdup (uri), g_free);
3016     }
3017
3018   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3019       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
3020
3021   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
3022
3023   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3024
3025   /* hbox containing the image and the messages vbox */
3026   hbox = gtk_hbox_new (FALSE, 3);
3027   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3028
3029   /* Add image */
3030   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3031   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3032
3033   /* vbox containing the main message and the details expander */
3034   vbox = gtk_vbox_new (FALSE, 3);
3035   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3036
3037   /* Add text */
3038   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3039
3040   label = gtk_label_new (NULL);
3041   gtk_label_set_markup (GTK_LABEL (label), txt);
3042   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3043   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3044   g_free (txt);
3045
3046   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3047
3048   /* Add details */
3049   if (details != NULL)
3050     {
3051       GtkWidget *expander;
3052
3053       expander = gtk_expander_new (_("Technical Details"));
3054
3055       txt = g_strdup_printf ("<i>%s</i>", details);
3056
3057       label = gtk_label_new (NULL);
3058       gtk_label_set_markup (GTK_LABEL (label), txt);
3059       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3060       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3061       g_free (txt);
3062
3063       gtk_container_add (GTK_CONTAINER (expander), label);
3064       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3065     }
3066
3067   g_signal_connect (info_bar, "response",
3068       G_CALLBACK (on_error_infobar_response_cb), NULL);
3069
3070   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3071       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3072   gtk_widget_show_all (info_bar);
3073 }
3074
3075 #if 0
3076 static gchar *
3077 media_stream_error_to_txt (EmpathyCallWindow *self,
3078     TpyCallChannel *call,
3079     gboolean audio,
3080     TpMediaStreamError error)
3081 {
3082   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3083   const gchar *cm = NULL;
3084   gchar *url;
3085   gchar *result;
3086
3087   switch (error)
3088     {
3089       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3090         if (audio)
3091           return g_strdup_printf (
3092               _("%s's software does not understand any of the audio formats "
3093                 "supported by your computer"),
3094             empathy_contact_get_alias (priv->contact));
3095         else
3096           return g_strdup_printf (
3097               _("%s's software does not understand any of the video formats "
3098                 "supported by your computer"),
3099             empathy_contact_get_alias (priv->contact));
3100
3101       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3102         return g_strdup_printf (
3103             _("Can't establish a connection to %s. "
3104               "One of you might be on a network that does not allow "
3105               "direct connections."),
3106           empathy_contact_get_alias (priv->contact));
3107
3108       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3109           return g_strdup (_("There was a failure on the network"));
3110
3111       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3112         if (audio)
3113           return g_strdup (_("The audio formats necessary for this call "
3114                 "are not installed on your computer"));
3115         else
3116           return g_strdup (_("The video formats necessary for this call "
3117                 "are not installed on your computer"));
3118
3119       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3120         tp_connection_parse_object_path (
3121             tp_channel_borrow_connection (TP_CHANNEL (call)),
3122             NULL, &cm);
3123
3124         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3125             "product=Telepathy&amp;component=%s", cm);
3126
3127         result = g_strdup_printf (
3128             _("Something unexpected happened in a Telepathy component. "
3129               "Please <a href=\"%s\">report this bug</a> and attach "
3130               "logs gathered from the 'Debug' window in the Help menu."), url);
3131
3132         g_free (url);
3133         g_free (cm);
3134         return result;
3135
3136       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3137         return g_strdup (_("There was a failure in the call engine"));
3138
3139       case TP_MEDIA_STREAM_ERROR_EOS:
3140         return g_strdup (_("The end of the stream was reached"));
3141
3142       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3143       default:
3144         return NULL;
3145     }
3146 }
3147
3148 static void
3149 empathy_call_window_stream_error (EmpathyCallWindow *self,
3150     TpyCallChannel *call,
3151     gboolean audio,
3152     guint code,
3153     const gchar *msg,
3154     const gchar *icon,
3155     const gchar *title)
3156 {
3157   gchar *desc;
3158
3159   desc = media_stream_error_to_txt (self, call, audio, code);
3160   if (desc == NULL)
3161     {
3162       /* No description, use the error message. That's not great as it's not
3163        * localized but it's better than nothing. */
3164       display_error (self, call, icon, title, msg, NULL);
3165     }
3166   else
3167     {
3168       display_error (self, call, icon, title, desc, msg);
3169       g_free (desc);
3170     }
3171 }
3172
3173 static void
3174 empathy_call_window_audio_stream_error (TpyCallChannel *call,
3175     guint code,
3176     const gchar *msg,
3177     EmpathyCallWindow *self)
3178 {
3179   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3180       "gnome-stock-mic", _("Can't establish audio stream"));
3181 }
3182
3183 static void
3184 empathy_call_window_video_stream_error (TpyCallChannel *call,
3185     guint code,
3186     const gchar *msg,
3187     EmpathyCallWindow *self)
3188 {
3189   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3190       "camera-web", _("Can't establish video stream"));
3191 }
3192 #endif
3193
3194 static void
3195 show_balance_error (EmpathyCallWindow *self)
3196 {
3197   TpChannel *call;
3198   TpConnection *conn;
3199   gchar *balance, *tmp;
3200   const gchar *uri, *currency;
3201   gint amount;
3202   guint scale;
3203
3204   g_object_get (self->priv->handler,
3205       "call-channel", &call,
3206       NULL);
3207
3208   conn = tp_channel_borrow_connection (call);
3209   g_object_unref (call);
3210
3211   uri = tp_connection_get_balance_uri (conn);
3212
3213   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3214     {
3215       /* unknown balance */
3216       balance = g_strdup ("(--)");
3217     }
3218   else
3219     {
3220       char *money = empathy_format_currency (amount, scale, currency);
3221
3222       balance = g_strdup_printf ("%s %s",
3223           currency, money);
3224       g_free (money);
3225     }
3226
3227   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3228
3229   display_error (self,
3230       NULL,
3231       _("Sorry, you don’t have enough credit for that call."),
3232       tmp, NULL,
3233       _("Top Up"),
3234       uri,
3235       EMP_RESPONSE_BALANCE);
3236
3237   g_free (tmp);
3238   g_free (balance);
3239 }
3240
3241 static void
3242 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3243     TpyCallState state,
3244     gchar *reason,
3245     EmpathyCallWindow *self)
3246 {
3247   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3248   TpyCallChannel *call;
3249   gboolean can_send_video;
3250
3251   if (state == TPY_CALL_STATE_ENDED &&
3252       !tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3253     {
3254       show_balance_error (self);
3255       return;
3256     }
3257
3258   if (state != TPY_CALL_STATE_ACCEPTED)
3259     return;
3260
3261   if (priv->call_state == CONNECTED)
3262     return;
3263
3264   g_timer_start (priv->timer);
3265   priv->call_state = CONNECTED;
3266
3267   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3268
3269   can_send_video = priv->video_input != NULL &&
3270     empathy_contact_can_voip_video (priv->contact) &&
3271     empathy_camera_monitor_get_available (priv->camera_monitor);
3272
3273   g_object_get (priv->handler, "call-channel", &call, NULL);
3274
3275   if (tpy_call_channel_has_dtmf (call))
3276     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3277
3278   if (priv->video_input == NULL)
3279     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3280
3281   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3282
3283   empathy_call_window_show_hangup_button (self, TRUE);
3284
3285   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3286
3287   clutter_actor_hide (priv->video_output);
3288   gtk_widget_show (priv->remote_user_avatar_widget);
3289
3290   g_object_unref (call);
3291
3292   g_mutex_lock (priv->lock);
3293
3294   priv->timer_id = g_timeout_add_seconds (1,
3295     empathy_call_window_update_timer, self);
3296
3297   g_mutex_unlock (priv->lock);
3298
3299   empathy_call_window_update_timer (self);
3300
3301   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3302 }
3303
3304 static gboolean
3305 empathy_call_window_show_video_output_cb (gpointer user_data)
3306 {
3307   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3308
3309   if (self->priv->video_output != NULL)
3310     {
3311       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3312       clutter_actor_show (self->priv->video_output);
3313       empathy_call_window_raise_actors (self);
3314     }
3315
3316   return FALSE;
3317 }
3318
3319 static gboolean
3320 empathy_call_window_check_video_cb (gpointer data)
3321 {
3322   EmpathyCallWindow *self = data;
3323
3324   if (self->priv->got_video)
3325     {
3326       self->priv->got_video = FALSE;
3327       return TRUE;
3328     }
3329
3330   /* No video in the last N seconds, display the remote avatar */
3331   empathy_call_window_show_video_output (self, FALSE);
3332
3333   return TRUE;
3334 }
3335
3336 /* Called from the streaming thread */
3337 static gboolean
3338 empathy_call_window_video_probe_cb (GstPad *pad,
3339     GstMiniObject *mini_obj,
3340     EmpathyCallWindow *self)
3341 {
3342   /* Ignore events */
3343   if (GST_IS_EVENT (mini_obj))
3344     return TRUE;
3345
3346   if (G_UNLIKELY (!self->priv->got_video))
3347     {
3348       /* show the remote video */
3349       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3350           empathy_call_window_show_video_output_cb,
3351           g_object_ref (self), g_object_unref);
3352
3353       self->priv->got_video = TRUE;
3354     }
3355
3356   return TRUE;
3357 }
3358
3359 /* Called from the streaming thread */
3360 static gboolean
3361 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3362   TfContent *content, GstPad *src, gpointer user_data)
3363 {
3364   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3365   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3366   gboolean retval = FALSE;
3367   guint media_type;
3368
3369   GstPad *pad;
3370
3371   g_mutex_lock (priv->lock);
3372
3373   g_object_get (content, "media-type", &media_type, NULL);
3374
3375   switch (media_type)
3376     {
3377       case TP_MEDIA_STREAM_TYPE_AUDIO:
3378         pad = empathy_call_window_get_audio_sink_pad (self, content);
3379         break;
3380       case TP_MEDIA_STREAM_TYPE_VIDEO:
3381         g_idle_add (empathy_call_window_show_video_output_cb, self);
3382         pad = empathy_call_window_get_video_sink_pad (self);
3383
3384         gst_pad_add_data_probe (src,
3385             G_CALLBACK (empathy_call_window_video_probe_cb), self);
3386         if (priv->got_video_src > 0)
3387           g_source_remove (priv->got_video_src);
3388         priv->got_video_src = g_timeout_add_seconds (5,
3389             empathy_call_window_check_video_cb, self);
3390         break;
3391       default:
3392         g_assert_not_reached ();
3393     }
3394
3395   if (pad == NULL)
3396     goto out;
3397
3398   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3399       g_warning ("Could not link %s sink pad",
3400           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3401   else
3402       retval = TRUE;
3403
3404   gst_object_unref (pad);
3405
3406  out:
3407
3408   /* If no sink could be linked, try to add fakesink to prevent the whole call
3409    * aborting */
3410
3411   if (!retval)
3412     {
3413       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3414
3415       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3416         {
3417           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3418           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3419               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3420             {
3421               gst_element_set_locked_state (fakesink, TRUE);
3422               gst_element_set_state (fakesink, GST_STATE_NULL);
3423               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3424             }
3425           else
3426             {
3427               DEBUG ("Could not link real sink, linked fakesink instead");
3428             }
3429           gst_object_unref (sinkpad);
3430         }
3431       else
3432         {
3433           gst_object_unref (fakesink);
3434         }
3435     }
3436
3437
3438   g_mutex_unlock (priv->lock);
3439
3440   return TRUE;
3441 }
3442
3443 static gboolean
3444 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3445   TfContent *content, gpointer user_data)
3446 {
3447   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3448   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3449   GstPad *sink, *pad;
3450   FsMediaType media_type;
3451   gboolean retval = FALSE;
3452
3453   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3454   g_assert (sink != NULL);
3455
3456   switch (media_type)
3457     {
3458       case FS_MEDIA_TYPE_AUDIO:
3459
3460         /* For raw audio conferences assume that the receiver of the raw data
3461          * wants it unprocessed, so turn off any echo cancellation and any
3462          * other audio improvements that come with it */
3463         empathy_audio_src_set_echo_cancel (
3464           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3465           !empathy_call_window_content_is_raw (content));
3466
3467         /* Link volumes together, sync the current audio input volume property
3468          * back to farstream first */
3469         g_object_bind_property_full (content, "requested-input-volume",
3470           priv->audio_input, "volume",
3471           G_BINDING_DEFAULT,
3472           audio_control_volume_to_element,
3473           element_volume_to_audio_control,
3474           NULL, NULL);
3475
3476         g_object_bind_property_full (priv->audio_input, "volume",
3477           content, "reported-input-volume",
3478           G_BINDING_SYNC_CREATE,
3479           element_volume_to_audio_control,
3480           audio_control_volume_to_element,
3481           NULL, NULL);
3482
3483         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3484           {
3485             g_warning ("Could not add audio source to pipeline");
3486             break;
3487           }
3488
3489         pad = gst_element_get_static_pad (priv->audio_input, "src");
3490         if (!pad)
3491           {
3492             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3493             g_warning ("Could not get source pad from audio source");
3494             break;
3495           }
3496
3497         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3498           {
3499             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3500             g_warning ("Could not link audio source to farsight");
3501             break;
3502           }
3503
3504         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3505           {
3506             g_warning ("Could not start audio source");
3507             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3508             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3509             break;
3510           }
3511
3512         retval = TRUE;
3513         break;
3514       case FS_MEDIA_TYPE_VIDEO:
3515         if (priv->video_tee != NULL)
3516           {
3517             pad = gst_element_get_request_pad (priv->video_tee, "src%d");
3518             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3519               {
3520                 g_warning ("Could not link video source input pipeline");
3521                 break;
3522               }
3523             gst_object_unref (pad);
3524           }
3525
3526         retval = TRUE;
3527         break;
3528       default:
3529         g_assert_not_reached ();
3530     }
3531
3532   gst_object_unref (sink);
3533   return retval;
3534 }
3535
3536 static void
3537 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3538 {
3539   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3540   GstElement *preview;
3541
3542   disable_camera (self);
3543
3544   DEBUG ("remove video input");
3545   preview = priv->video_preview_sink;
3546
3547   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3548   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3549   gst_element_set_state (preview, GST_STATE_NULL);
3550
3551   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3552     preview, NULL);
3553
3554   g_object_unref (priv->video_input);
3555   priv->video_input = NULL;
3556   g_object_unref (priv->video_tee);
3557   priv->video_tee = NULL;
3558   clutter_actor_destroy (priv->video_preview);
3559   priv->video_preview = NULL;
3560
3561   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3562 }
3563
3564 static void
3565 start_call (EmpathyCallWindow *self)
3566 {
3567   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3568
3569   priv->call_started = TRUE;
3570   empathy_call_handler_start_call (priv->handler,
3571       gtk_get_current_event_time ());
3572
3573   if (empathy_call_handler_has_initial_video (priv->handler))
3574     {
3575       TpyCallChannel *call;
3576       TpySendingState s;
3577
3578       g_object_get (priv->handler, "call-channel", &call, NULL);
3579       /* If the call channel isn't set yet we're requesting it, if we're
3580        * requesting it with initial video it should be PENDING_SEND when we get
3581        * it */
3582       if (call == NULL)
3583         s = TPY_SENDING_STATE_PENDING_SEND;
3584       else
3585         s = tpy_call_channel_get_video_state (call);
3586
3587       if (s == TPY_SENDING_STATE_PENDING_SEND ||
3588           s == TPY_SENDING_STATE_SENDING)
3589         {
3590           /* Enable 'send video' buttons and display the preview */
3591           gtk_toggle_tool_button_set_active (
3592             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), TRUE);
3593         }
3594       else
3595         {
3596           gtk_toggle_tool_button_set_active (
3597             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
3598
3599           if (priv->video_preview == NULL)
3600             {
3601               create_video_preview (self);
3602               add_video_preview_to_pipeline (self);
3603             }
3604         }
3605
3606       if (call != NULL)
3607         g_object_unref (call);
3608     }
3609 }
3610
3611 static gboolean
3612 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3613   gpointer user_data)
3614 {
3615   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3616   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3617   GstState newstate, pending;
3618
3619   empathy_call_handler_bus_message (priv->handler, bus, message);
3620
3621   switch (GST_MESSAGE_TYPE (message))
3622     {
3623       case GST_MESSAGE_STATE_CHANGED:
3624         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3625           {
3626             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3627           }
3628         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3629             !priv->call_started)
3630           {
3631             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3632             if (newstate == GST_STATE_PAUSED)
3633               {
3634                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3635                 priv->pipeline_playing = TRUE;
3636
3637                 if (priv->start_call_when_playing)
3638                   start_call (self);
3639               }
3640           }
3641         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3642           {
3643             gst_message_parse_state_changed (message, NULL, &newstate,
3644                 &pending);
3645
3646             if (newstate == GST_STATE_PLAYING &&
3647                 pending == GST_STATE_VOID_PENDING)
3648               empathy_call_window_stop_camera_spinning (self);
3649           }
3650         break;
3651       case GST_MESSAGE_ERROR:
3652         {
3653           GError *error = NULL;
3654           GstElement *gst_error;
3655           gchar *debug;
3656
3657           gst_message_parse_error (message, &error, &debug);
3658           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3659
3660           g_message ("Element error: %s -- %s\n", error->message, debug);
3661
3662           if (g_str_has_prefix (gst_element_get_name (gst_error),
3663                 VIDEO_INPUT_ERROR_PREFIX))
3664             {
3665               /* Remove the video input and continue */
3666               if (priv->video_input != NULL)
3667                 empathy_call_window_remove_video_input (self);
3668               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3669             }
3670           else
3671             {
3672               empathy_call_window_disconnected (self, TRUE);
3673             }
3674           g_error_free (error);
3675           g_free (debug);
3676         }
3677       case GST_MESSAGE_UNKNOWN:
3678       case GST_MESSAGE_EOS:
3679       case GST_MESSAGE_WARNING:
3680       case GST_MESSAGE_INFO:
3681       case GST_MESSAGE_TAG:
3682       case GST_MESSAGE_BUFFERING:
3683       case GST_MESSAGE_STATE_DIRTY:
3684       case GST_MESSAGE_STEP_DONE:
3685       case GST_MESSAGE_CLOCK_PROVIDE:
3686       case GST_MESSAGE_CLOCK_LOST:
3687       case GST_MESSAGE_NEW_CLOCK:
3688       case GST_MESSAGE_STRUCTURE_CHANGE:
3689       case GST_MESSAGE_STREAM_STATUS:
3690       case GST_MESSAGE_APPLICATION:
3691       case GST_MESSAGE_ELEMENT:
3692       case GST_MESSAGE_SEGMENT_START:
3693       case GST_MESSAGE_SEGMENT_DONE:
3694       case GST_MESSAGE_DURATION:
3695       case GST_MESSAGE_ANY:
3696       default:
3697         break;
3698     }
3699
3700   return TRUE;
3701 }
3702
3703 static void
3704 empathy_call_window_members_changed_cb (TpyCallChannel *call,
3705     GHashTable *members,
3706     EmpathyCallWindow *self)
3707 {
3708   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3709   GHashTableIter iter;
3710   gpointer key, value;
3711   gboolean held = FALSE;
3712
3713   g_hash_table_iter_init (&iter, members);
3714   while (g_hash_table_iter_next (&iter, &key, &value))
3715     {
3716       if (GPOINTER_TO_INT (value) & TPY_CALL_MEMBER_FLAG_HELD)
3717         {
3718           /* This assumes this is a 1-1 call, otherwise one participant
3719            * putting the call on hold wouldn't mean the call is on hold
3720            * for everyone. */
3721           held = TRUE;
3722           break;
3723         }
3724     }
3725
3726   if (held)
3727     priv->call_state = HELD;
3728   else if (priv->call_state == HELD)
3729     priv->call_state = CONNECTED;
3730 }
3731
3732 static void
3733 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3734     GParamSpec *spec,
3735     EmpathyCallWindow *self)
3736 {
3737   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3738   TpyCallChannel *call;
3739
3740   g_object_get (priv->handler, "call-channel", &call, NULL);
3741   if (call == NULL)
3742     return;
3743
3744 /* FIXME
3745   tp_g_signal_connect_object (call, "audio-stream-error",
3746       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3747   tp_g_signal_connect_object (call, "video-stream-error",
3748       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3749 */
3750
3751   tp_g_signal_connect_object (call, "members-changed",
3752       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3753
3754   tp_cli_channel_interface_dtmf_connect_to_stopped_tones (TP_CHANNEL (call),
3755       empathy_call_window_tones_stopped_cb, self, NULL,
3756       G_OBJECT (call), NULL);
3757
3758   g_object_unref (call);
3759 }
3760
3761 static void
3762 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3763 {
3764   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3765   TpyCallChannel *call;
3766
3767   g_signal_connect (priv->handler, "state-changed",
3768     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3769   g_signal_connect (priv->handler, "conference-added",
3770     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3771   g_signal_connect (priv->handler, "conference-removed",
3772     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3773   g_signal_connect (priv->handler, "closed",
3774     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3775   g_signal_connect (priv->handler, "src-pad-added",
3776     G_CALLBACK (empathy_call_window_src_added_cb), self);
3777   g_signal_connect (priv->handler, "content-added",
3778     G_CALLBACK (empathy_call_window_content_added_cb), self);
3779   g_signal_connect (priv->handler, "content-removed",
3780     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3781
3782   /* We connect to ::call-channel unconditionally since we'll
3783    * get new channels if we hangup and redial or if we reuse the
3784    * call window. */
3785   g_signal_connect (priv->handler, "notify::call-channel",
3786     G_CALLBACK (call_handler_notify_call_cb), self);
3787
3788   g_signal_connect (priv->handler, "framerate-changed",
3789     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3790   g_signal_connect (priv->handler, "resolution-changed",
3791     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3792
3793   g_object_get (priv->handler, "call-channel", &call, NULL);
3794   if (call != NULL)
3795     {
3796       /* We won't get notify::call-channel for this channel, so
3797        * directly call the callback. */
3798       call_handler_notify_call_cb (priv->handler, NULL, self);
3799       g_object_unref (call);
3800     }
3801 }
3802
3803 static void
3804 empathy_call_window_realized_cb (GtkWidget *widget,
3805     EmpathyCallWindow *self)
3806 {
3807   gint width;
3808
3809   /* Make the hangup button twice as wide */
3810   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3811   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3812
3813   empathy_call_window_connect_handler (self);
3814
3815   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3816 }
3817
3818 static gboolean
3819 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3820   EmpathyCallWindow *window)
3821 {
3822   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3823
3824   if (priv->pipeline != NULL)
3825     {
3826       if (priv->bus_message_source_id != 0)
3827         {
3828           g_source_remove (priv->bus_message_source_id);
3829           priv->bus_message_source_id = 0;
3830         }
3831
3832       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3833     }
3834
3835   if (priv->call_state == CONNECTING)
3836     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3837
3838   return FALSE;
3839 }
3840
3841 static void
3842 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3843 {
3844   GtkWidget *menu;
3845   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3846
3847   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3848             "/menubar1");
3849
3850   if (set_fullscreen)
3851     {
3852       gtk_widget_hide (priv->dtmf_panel);
3853       gtk_widget_hide (menu);
3854       gtk_widget_hide (priv->toolbar);
3855     }
3856   else
3857     {
3858       if (priv->dialpad_was_visible_before_fs)
3859         gtk_widget_show (priv->dtmf_panel);
3860
3861       gtk_widget_show (menu);
3862       gtk_widget_show (priv->toolbar);
3863
3864       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3865           priv->original_height_before_fs);
3866     }
3867 }
3868
3869 static void
3870 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3871 {
3872   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3873
3874   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
3875       set_fullscreen ? 0 : CONTENT_HBOX_BORDER_WIDTH);
3876   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3877       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3878
3879   if (priv->video_output != NULL)
3880     {
3881 #if 0
3882       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3883           priv->video_output, TRUE, TRUE,
3884           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3885           GTK_PACK_START);
3886 #endif
3887     }
3888 }
3889
3890 static gboolean
3891 empathy_call_window_state_event_cb (GtkWidget *widget,
3892   GdkEventWindowState *event, EmpathyCallWindow *window)
3893 {
3894   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3895     {
3896       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3897       gboolean set_fullscreen = event->new_window_state &
3898         GDK_WINDOW_STATE_FULLSCREEN;
3899
3900       if (set_fullscreen)
3901         {
3902           gboolean dialpad_was_visible;
3903           GtkAllocation allocation;
3904           gint original_width, original_height;
3905
3906           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3907           original_width = allocation.width;
3908           original_height = allocation.height;
3909
3910           g_object_get (priv->dtmf_panel,
3911               "visible", &dialpad_was_visible,
3912               NULL);
3913
3914           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3915           priv->original_width_before_fs = original_width;
3916           priv->original_height_before_fs = original_height;
3917
3918           if (priv->video_output_motion_handler_id == 0 &&
3919                 priv->video_output != NULL)
3920             {
3921               priv->video_output_motion_handler_id = g_signal_connect (
3922                   G_OBJECT (priv->video_container), "motion-notify-event",
3923                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3924                   window);
3925             }
3926         }
3927       else
3928         {
3929           disconnect_video_output_motion_handler (window);
3930         }
3931
3932       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
3933           set_fullscreen);
3934       show_controls (window, set_fullscreen);
3935       show_borders (window, set_fullscreen);
3936       gtk_action_set_stock_id (priv->menu_fullscreen,
3937           (set_fullscreen ? "gtk-leave-fullscreen" : "gtk-fullscreen"));
3938       priv->is_fullscreen = set_fullscreen;
3939   }
3940
3941   return FALSE;
3942 }
3943
3944 static void
3945 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
3946     gboolean active)
3947 {
3948   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3949   int w, h, dialpad_width;
3950   GtkAllocation allocation;
3951
3952   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3953   w = allocation.width;
3954   h = allocation.height;
3955
3956   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
3957
3958   if (active)
3959     {
3960       gtk_widget_show (priv->dtmf_panel);
3961       w += dialpad_width;
3962     }
3963   else
3964     {
3965       w -= dialpad_width;
3966       gtk_widget_hide (priv->dtmf_panel);
3967     }
3968
3969   if (w > 0 && h > 0)
3970     gtk_window_resize (GTK_WINDOW (window), w, h);
3971 }
3972
3973 static void
3974 empathy_call_window_set_send_video (EmpathyCallWindow *window,
3975   CameraState state)
3976 {
3977   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3978   TpyCallChannel *call;
3979
3980   priv->sending_video = (state == CAMERA_STATE_ON);
3981
3982   if (state == CAMERA_STATE_ON)
3983     {
3984       /* When we start sending video, we want to show the video preview by
3985          default. */
3986       display_video_preview (window, TRUE);
3987     }
3988   else
3989     {
3990       display_video_preview (window, FALSE);
3991     }
3992
3993   if (priv->call_state != CONNECTED)
3994     return;
3995
3996   g_object_get (priv->handler, "call-channel", &call, NULL);
3997   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
3998   tpy_call_channel_send_video (call, priv->sending_video);
3999   g_object_unref (call);
4000 }
4001
4002 static void
4003 empathy_call_window_mic_toggled_cb (GtkToggleToolButton *toggle,
4004   EmpathyCallWindow *self)
4005 {
4006   EmpathyCallWindowPriv *priv = GET_PRIV (self);
4007   gboolean active;
4008
4009   active = (gtk_toggle_tool_button_get_active (toggle));
4010
4011   /* We don't want the settings callback to react to this change to avoid
4012    * a loop. */
4013   g_signal_handlers_block_by_func (priv->settings,
4014       empathy_call_window_prefs_volume_changed_cb, self);
4015
4016   if (active)
4017     {
4018       g_settings_set_double (priv->settings, EMPATHY_PREFS_CALL_SOUND_VOLUME,
4019           priv->volume * 100);
4020     }
4021   else
4022     {
4023       /* TODO, Instead of setting the input volume to 0 we should probably
4024        * stop sending but this would cause the audio call to drop if both
4025        * sides mute at the same time on certain CMs AFAIK. Need to revisit this
4026        * in the future. GNOME #574574
4027        */
4028       g_settings_set_double (priv->settings, EMPATHY_PREFS_CALL_SOUND_VOLUME,
4029           0);
4030     }
4031
4032     g_signal_handlers_unblock_by_func (priv->settings,
4033       empathy_call_window_prefs_volume_changed_cb, self);
4034 }
4035
4036 static void
4037 empathy_call_window_hangup_cb (gpointer object,
4038     EmpathyCallWindow *self)
4039 {
4040   empathy_call_handler_stop_call (self->priv->handler);
4041
4042   empathy_call_window_disconnected (self, TRUE);
4043 }
4044
4045 static void
4046 empathy_call_window_restart_call (EmpathyCallWindow *window)
4047 {
4048   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4049
4050   /* Remove error info bars */
4051   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4052       (GtkCallback) gtk_widget_destroy, NULL);
4053
4054   create_video_output_widget (window);
4055   priv->outgoing = TRUE;
4056   empathy_call_window_set_state_connecting (window);
4057
4058   if (priv->pipeline_playing)
4059     start_call (window);
4060   else
4061     /* call will be started when the pipeline is ready */
4062     priv->start_call_when_playing = TRUE;
4063
4064   empathy_call_window_setup_avatars (window, priv->handler);
4065
4066   empathy_call_window_show_hangup_button (window, TRUE);
4067 }
4068
4069 static void
4070 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4071     EmpathyCallWindow *window)
4072 {
4073   gboolean active;
4074
4075   active = gtk_toggle_tool_button_get_active (button);
4076
4077   empathy_call_window_show_dialpad (window, active);
4078 }
4079
4080 static void
4081 empathy_call_window_fullscreen_cb (gpointer object,
4082                                    EmpathyCallWindow *window)
4083 {
4084   empathy_call_window_fullscreen_toggle (window);
4085 }
4086
4087 static void
4088 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4089 {
4090   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4091
4092   if (priv->is_fullscreen)
4093     gtk_window_unfullscreen (GTK_WINDOW (window));
4094   else
4095     gtk_window_fullscreen (GTK_WINDOW (window));
4096 }
4097
4098 static gboolean
4099 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4100   GdkEventButton *event, EmpathyCallWindow *window)
4101 {
4102   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4103     {
4104       empathy_call_window_video_menu_popup (window, event->button);
4105       return TRUE;
4106     }
4107
4108   return FALSE;
4109 }
4110
4111 static gboolean
4112 empathy_call_window_key_press_cb (GtkWidget *video_output,
4113   GdkEventKey *event, EmpathyCallWindow *window)
4114 {
4115   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4116
4117   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4118     {
4119       /* Since we are in fullscreen mode, toggling will bring us back to
4120          normal mode. */
4121       empathy_call_window_fullscreen_toggle (window);
4122       return TRUE;
4123     }
4124
4125   return FALSE;
4126 }
4127
4128 static gboolean
4129 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4130     GdkEventMotion *event, EmpathyCallWindow *window)
4131 {
4132   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4133
4134   if (priv->is_fullscreen)
4135     {
4136       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4137
4138       /* Show the bottom toolbar */
4139       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4140       return TRUE;
4141     }
4142   return FALSE;
4143 }
4144
4145 static void
4146 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4147   guint button)
4148 {
4149   GtkWidget *menu;
4150   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4151
4152   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4153             "/video-popup");
4154   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4155       button, gtk_get_current_event_time ());
4156   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4157 }
4158
4159 static void
4160 empathy_call_window_status_message (EmpathyCallWindow *self,
4161   gchar *message)
4162 {
4163   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4164 }
4165
4166 static void
4167 empathy_call_window_volume_changed_cb (GtkScaleButton *button,
4168   gdouble value, EmpathyCallWindow *window)
4169 {
4170   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4171
4172   if (priv->audio_output == NULL)
4173     return;
4174
4175   empathy_audio_sink_set_volume (EMPATHY_GST_AUDIO_SINK (priv->audio_output),
4176     value);
4177 }
4178
4179 GtkUIManager *
4180 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4181 {
4182   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4183
4184   return priv->ui_manager;
4185 }
4186
4187 EmpathyGstAudioSrc *
4188 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4189 {
4190   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4191
4192   return (EmpathyGstAudioSrc *) priv->audio_input;
4193 }
4194
4195 EmpathyGstVideoSrc *
4196 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4197 {
4198   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4199 }