src/empathy-call-window.c

   1 /*
   2  * empathy-call-window.c - Source for EmpathyCallWindow
   3  * Copyright (C) 2008-2011 Collabora Ltd.
   4  * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include "config.h"
  22 #include "empathy-call-window.h"
  23
  24 #include <glib/gi18n.h>
  25 #include <telepathy-farstream/telepathy-farstream.h>
  26 #include <farstream/fs-element-added-notifier.h>
  27 #include <farstream/fs-utils.h>
  28 #include <tp-account-widgets/tpaw-builder.h>
  29 #include <tp-account-widgets/tpaw-camera-monitor.h>
  30 #include <tp-account-widgets/tpaw-images.h>
  31 #include <tp-account-widgets/tpaw-pixbuf-utils.h>
  32 #include <tp-account-widgets/tpaw-utils.h>
  33 #include <telepathy-glib/telepathy-glib-dbus.h>
  34
  35 #include "empathy-about-dialog.h"
  36 #include "empathy-audio-sink.h"
  37 #include "empathy-call-utils.h"
  38 #include "empathy-call-window-fullscreen.h"
  39 #include "empathy-camera-menu.h"
  40 #include "empathy-dialpad-widget.h"
  41 #include "empathy-geometry.h"
  42 #include "empathy-gsettings.h"
  43 #include "empathy-images.h"
  44 #include "empathy-mic-menu.h"
  45 #include "empathy-preferences.h"
  46 #include "empathy-request-util.h"
  47 #include "empathy-rounded-actor.h"
  48 #include "empathy-rounded-rectangle.h"
  49 #include "empathy-rounded-texture.h"
  50 #include "empathy-sound-manager.h"
  51 #include "empathy-ui-utils.h"
  52 #include "empathy-utils.h"
  53
  54 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  55 #include "empathy-debug.h"
  56
  57 #define CONTENT_HBOX_SPACING 3
  58 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 0
  59 #define OVERLAY_MARGIN 6
  60
  61 #define REMOTE_VIDEO_DEFAULT_WIDTH 320
  62 #define REMOTE_VIDEO_DEFAULT_HEIGHT 240
  63
  64 #define SELF_VIDEO_SECTION_WIDTH 120
  65 #define SELF_VIDEO_SECTION_HEIGHT 90
  66 #define SELF_VIDEO_SECTION_MARGIN 2
  67 #define SELF_VIDEO_SECTION_BORDER SELF_VIDEO_SECTION_MARGIN*2
  68
  69 /* The avatar's default width and height are set to the same value because we
  70    want a square icon. */
  71 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT REMOTE_VIDEO_DEFAULT_HEIGHT
  72 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH REMOTE_VIDEO_DEFAULT_HEIGHT
  73
  74 #define SMALL_TOOLBAR_SIZE 36
  75
  76 /* If an video input error occurs, the error message will start with "v4l" */
  77 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  78
  79 /* The time interval in milliseconds between 2 outgoing rings */
  80 #define MS_BETWEEN_RING 500
  81
  82 /* The roundedness of preview box and placeholders */
  83 #define PREVIEW_ROUND_FACTOR 16
  84
  85 #define PREVIEW_BUTTON_OPACITY 180
  86
  87 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
  88
  89 enum {
  90   PROP_CALL_HANDLER = 1,
  91 };
  92
  93 enum {
  94   SIG_INHIBIT,
  95   LAST_SIGNAL
  96 };
  97
  98 static guint signals[LAST_SIGNAL];
  99
 100 typedef enum {
 101   RINGING,       /* Incoming call */
 102   CONNECTING,    /* Outgoing call */
 103   CONNECTED,     /* Connected */
 104   HELD,          /* Connected, but on hold */
 105   DISCONNECTED,  /* Disconnected */
 106   REDIALING      /* Redialing (special case of CONNECTING) */
 107 } CallState;
 108
 109 typedef enum {
 110   CAMERA_STATE_OFF = 0,
 111   CAMERA_STATE_ON,
 112 } CameraState;
 113
 114 typedef enum {
 115   PREVIEW_POS_NONE,
 116   PREVIEW_POS_TOP_LEFT,
 117   PREVIEW_POS_TOP_RIGHT,
 118   PREVIEW_POS_BOTTOM_LEFT,
 119   PREVIEW_POS_BOTTOM_RIGHT,
 120 } PreviewPosition;
 121
 122 struct _EmpathyCallWindowPriv
 123 {
 124   gboolean dispose_has_run;
 125   EmpathyCallHandler *handler;
 126
 127   EmpathyContact *contact;
 128
 129   TpawCameraMonitor *camera_monitor;
 130
 131   CallState call_state;
 132   gboolean outgoing;
 133
 134   GtkUIManager *ui_manager;
 135   GtkWidget *errors_vbox;
 136   /* widget displays the video received from the remote user. This widget is
 137    * alive only during call. */
 138   ClutterActor *video_output;
 139   ClutterActor *video_preview;
 140   ClutterActor *drag_preview;
 141   ClutterActor *preview_shown_button;
 142   ClutterActor *preview_hidden_button;
 143   ClutterActor *preview_rectangle1;
 144   ClutterActor *preview_rectangle2;
 145   ClutterActor *preview_rectangle3;
 146   ClutterActor *preview_rectangle4;
 147   ClutterActor *preview_spinner_actor;
 148   GtkWidget *preview_spinner_widget;
 149   GtkWidget *video_container;
 150   GtkWidget *remote_user_avatar_widget;
 151   GtkWidget *remote_user_avatar_toolbar;
 152   GtkWidget *remote_user_name_toolbar;
 153   GtkWidget *remote_user_status_toolbar;
 154   GtkWidget *status_label;
 155   GtkWidget *hangup_button;
 156   GtkWidget *audio_call_button;
 157   GtkWidget *video_call_button;
 158   GtkWidget *mic_button;
 159   GtkWidget *microphone_icon;
 160   GtkWidget *volume_button;
 161   GtkWidget *camera_button;
 162   GtkWidget *dialpad_button;
 163   GtkWidget *toolbar;
 164   GtkWidget *bottom_toolbar;
 165   ClutterActor *floating_toolbar;
 166   GtkWidget *pane;
 167   GtkAction *menu_fullscreen;
 168   GtkAction *menu_swap_camera;
 169
 170   ClutterState *transitions;
 171
 172   /* The main box covering all the stage, contaning remote avatar/video */
 173   ClutterActor *video_box;
 174   ClutterLayoutManager *video_layout;
 175
 176   /* A bin layout manager containing a bin for previews
 177    * and the floating toolbar */
 178   ClutterActor *overlay_bin;
 179   ClutterLayoutManager *overlay_layout;
 180
 181   /* Bin layout for the previews */
 182   ClutterActor *preview_box;
 183   ClutterLayoutManager *preview_layout;
 184
 185   /* Coordinates of the preview drag event's start. */
 186   PreviewPosition preview_pos;
 187
 188   /* We keep a reference on the hbox which contains the main content so we can
 189      easilly repack everything when toggling fullscreen */
 190   GtkWidget *content_hbox;
 191
 192   /* These are used to accept or reject an incoming call when the status
 193      is RINGING. */
 194   GtkWidget *incoming_call_dialog;
 195   TpCallChannel *pending_channel;
 196   TpChannelDispatchOperation *pending_cdo;
 197   TpAddDispatchOperationContext *pending_context;
 198
 199   gulong video_output_motion_handler_id;
 200   guint bus_message_source_id;
 201
 202   GtkWidget *dtmf_panel;
 203
 204   /* Details vbox */
 205   GtkWidget *details_vbox;
 206   GtkWidget *vcodec_encoding_label;
 207   GtkWidget *acodec_encoding_label;
 208   GtkWidget *vcodec_decoding_label;
 209   GtkWidget *acodec_decoding_label;
 210
 211   GtkWidget *audio_remote_candidate_label;
 212   GtkWidget *audio_local_candidate_label;
 213   GtkWidget *video_remote_candidate_label;
 214   GtkWidget *video_local_candidate_label;
 215   GtkWidget *video_remote_candidate_info_img;
 216   GtkWidget *video_local_candidate_info_img;
 217   GtkWidget *audio_remote_candidate_info_img;
 218   GtkWidget *audio_local_candidate_info_img;
 219
 220   GstElement *video_input;
 221   GstElement *video_preview_sink;
 222   GstElement *video_output_sink;
 223   GstElement *audio_input;
 224   GstElement *audio_output;
 225   gboolean audio_output_added;
 226   GstElement *pipeline;
 227   GstElement *video_tee;
 228
 229   GstElement *funnel;
 230
 231   GList *notifiers;
 232
 233   GTimer *timer;
 234   guint timer_id;
 235
 236   GMutex lock;
 237   gboolean call_started;
 238   gboolean sending_video;
 239   CameraState camera_state;
 240
 241   EmpathyCallWindowFullscreen *fullscreen;
 242   gboolean is_fullscreen;
 243
 244   gboolean got_video;
 245   guint got_video_src;
 246
 247   guint inactivity_src;
 248
 249   /* Those fields represent the state of the window before it actually was in
 250      fullscreen mode. */
 251   gboolean dialpad_was_visible_before_fs;
 252   gint original_width_before_fs;
 253   gint original_height_before_fs;
 254
 255   gint x, y, w, h, dialpad_width;
 256   gboolean maximized;
 257
 258   /* TRUE if the call should be started when the pipeline is playing */
 259   gboolean start_call_when_playing;
 260   /* TRUE if we requested to set the pipeline in the playing state */
 261   gboolean pipeline_playing;
 262
 263   EmpathySoundManager *sound_mgr;
 264
 265   GSettings *settings;
 266   EmpathyMicMenu *mic_menu;
 267   EmpathyCameraMenu *camera_menu;
 268
 269   gboolean muted;
 270 };
 271
 272 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 273
 274 static void empathy_call_window_realized_cb (GtkWidget *widget,
 275   EmpathyCallWindow *window);
 276
 277 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 278   GdkEvent *event, EmpathyCallWindow *window);
 279
 280 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 281   GdkEventWindowState *event, EmpathyCallWindow *window);
 282
 283 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 284   CameraState state);
 285
 286 static void empathy_call_window_hangup_cb (gpointer object,
 287   EmpathyCallWindow *window);
 288
 289 static void empathy_call_window_fullscreen_cb (gpointer object,
 290   EmpathyCallWindow *window);
 291
 292 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 293
 294 static gboolean empathy_call_window_video_button_press_cb (
 295   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 296
 297 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 298   GdkEventKey *event, EmpathyCallWindow *window);
 299
 300 static gboolean empathy_call_window_video_output_motion_notify (
 301   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 302
 303 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 304   guint button);
 305
 306 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 307
 308 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 309   EmpathyCallWindow *window);
 310
 311 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 312
 313 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 314   gchar *message);
 315
 316 static gboolean empathy_call_window_bus_message (GstBus *bus,
 317   GstMessage *message, gpointer user_data);
 318
 319 static gboolean empathy_call_window_update_timer (gpointer user_data);
 320
 321 static void
 322 make_background_transparent (GtkClutterActor *actor)
 323 {
 324   GdkRGBA transparent = { 0., 0., 0., 0. };
 325   GtkWidget *widget;
 326
 327   widget = gtk_clutter_actor_get_widget (actor);
 328   gtk_widget_override_background_color (widget, GTK_STATE_FLAG_NORMAL, &transparent);
 329 }
 330
 331 static void
 332 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 333     gboolean show)
 334 {
 335   gtk_widget_set_visible (self->priv->hangup_button, show);
 336   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 337   gtk_widget_set_visible (self->priv->video_call_button, !show);
 338 }
 339
 340 static void
 341 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 342     EmpathyCallWindow *self)
 343 {
 344   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 345   empathy_call_window_restart_call (self);
 346 }
 347
 348 static void
 349 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 350     EmpathyCallWindow *self)
 351 {
 352   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 353   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 354   empathy_call_window_restart_call (self);
 355 }
 356
 357 static void
 358 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 359     TpDTMFEvent event,
 360     EmpathyCallWindow *self)
 361 {
 362   TpCallChannel *call;
 363   gchar tones[2];
 364
 365   g_object_get (self->priv->handler, "call-channel", &call, NULL);
 366
 367   tones[0] = tp_dtmf_event_to_char (event);
 368   tones[1] = '\0';
 369   tp_call_channel_send_tones_async (call, tones, NULL, NULL, NULL);
 370
 371   g_object_unref (call);
 372 }
 373
 374 static void
 375 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 376     gboolean show)
 377 {
 378   if (self->priv->video_output != NULL)
 379     g_object_set (self->priv->video_output, "visible", show, NULL);
 380
 381   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 382
 383   clutter_actor_raise_top (self->priv->overlay_bin);
 384 }
 385
 386 static void
 387 create_video_output_widget (EmpathyCallWindow *self)
 388 {
 389   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 390
 391   g_assert (priv->video_output == NULL);
 392   g_assert (priv->pipeline != NULL);
 393
 394   priv->video_output = clutter_texture_new ();
 395
 396   clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (priv->video_output),
 397       TRUE);
 398
 399   priv->video_output_sink = gst_element_factory_make ("cluttersink", NULL);
 400   if (priv->video_output_sink == NULL)
 401     g_error ("Missing cluttersink");
 402   else
 403     g_object_set (priv->video_output_sink, "texture", priv->video_output, NULL);
 404
 405   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 406       priv->video_output);
 407
 408   gtk_widget_add_events (priv->video_container,
 409       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 410   g_signal_connect (G_OBJECT (priv->video_container), "button-press-event",
 411       G_CALLBACK (empathy_call_window_video_button_press_cb), self);
 412 }
 413
 414 static void
 415 create_video_input (EmpathyCallWindow *self)
 416 {
 417   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 418
 419   g_assert (priv->video_input == NULL);
 420   priv->video_input = empathy_video_src_new ();
 421   gst_object_ref_sink (priv->video_input);
 422 }
 423
 424 static gboolean
 425 audio_control_volume_to_element (GBinding *binding,
 426   const GValue *source_value,
 427   GValue *target_value,
 428   gpointer user_data)
 429 {
 430   /* AudioControl volume is 0-255, with -1 for unknown */
 431   gint hv;
 432
 433   hv = g_value_get_int (source_value);
 434   if (hv < 0)
 435     return FALSE;
 436
 437   hv = MIN (hv, 255);
 438   g_value_set_double (target_value, hv/255.0);
 439
 440   return TRUE;
 441 }
 442
 443 static gboolean
 444 element_volume_to_audio_control (GBinding *binding,
 445   const GValue *source_value,
 446   GValue *target_value,
 447   gpointer user_data)
 448 {
 449   gdouble ev;
 450
 451   ev = g_value_get_double (source_value);
 452   ev = CLAMP (ev, 0.0, 1.0);
 453
 454   g_value_set_int (target_value, ev * 255);
 455   return TRUE;
 456 }
 457
 458 static void
 459 audio_input_mute_notify_cb (GObject *obj, GParamSpec *spec,
 460   EmpathyCallWindow *self)
 461 {
 462   gboolean muted;
 463   g_object_get (obj, "mute", &muted, NULL);
 464
 465   self->priv->muted = muted;
 466   if (muted && self->priv->transitions)
 467     clutter_state_set_state (self->priv->transitions, "fade-in");
 468
 469   if (muted)
 470     {
 471       gtk_image_set_from_icon_name (GTK_IMAGE (self->priv->microphone_icon),
 472           EMPATHY_IMAGE_MIC_MUTED, GTK_ICON_SIZE_MENU);
 473     }
 474   else
 475     {
 476       gtk_image_set_from_icon_name (GTK_IMAGE (self->priv->microphone_icon),
 477           EMPATHY_IMAGE_MIC, GTK_ICON_SIZE_MENU);
 478     }
 479
 480   empathy_call_window_update_timer (self);
 481 }
 482
 483 static void
 484 create_audio_input (EmpathyCallWindow *self)
 485 {
 486   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 487
 488   g_assert (priv->audio_input == NULL);
 489   priv->audio_input = empathy_audio_src_new ();
 490   gst_object_ref_sink (priv->audio_input);
 491
 492   g_signal_connect (priv->audio_input, "notify::mute",
 493     G_CALLBACK (audio_input_mute_notify_cb), self);
 494 }
 495
 496 static void
 497 add_video_preview_to_pipeline (EmpathyCallWindow *self)
 498 {
 499   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 500   GstElement *preview;
 501
 502   g_assert (priv->video_preview != NULL);
 503   g_assert (priv->pipeline != NULL);
 504   g_assert (priv->video_input != NULL);
 505   g_assert (priv->video_tee != NULL);
 506
 507   preview = priv->video_preview_sink;
 508
 509   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 510     {
 511       g_warning ("Could not add video input to pipeline");
 512       return;
 513     }
 514
 515   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 516     {
 517       g_warning ("Could not add video preview to pipeline");
 518       return;
 519     }
 520
 521   if (!gst_element_link (priv->video_input, priv->video_tee))
 522     {
 523       g_warning ("Could not link video input to video tee");
 524       return;
 525     }
 526
 527   if (!gst_element_link (priv->video_tee, preview))
 528     {
 529       g_warning ("Could not link video tee to video preview");
 530       return;
 531     }
 532 }
 533
 534 static void
 535 empathy_call_window_disable_camera_cb (GtkAction *action,
 536     EmpathyCallWindow *self)
 537 {
 538   clutter_actor_destroy (self->priv->preview_hidden_button);
 539
 540   gtk_toggle_button_set_active (
 541       GTK_TOGGLE_BUTTON (self->priv->camera_button), FALSE);
 542 }
 543
 544 static void
 545 empathy_call_window_minimise_camera_cb (GtkAction *action,
 546     EmpathyCallWindow *self)
 547 {
 548   clutter_actor_hide (self->priv->video_preview);
 549   clutter_actor_show (self->priv->preview_hidden_button);
 550 }
 551
 552 static void
 553 empathy_call_window_maximise_camera_cb (GtkAction *action,
 554     EmpathyCallWindow *self)
 555 {
 556   clutter_actor_show (self->priv->video_preview);
 557   clutter_actor_hide (self->priv->preview_hidden_button);
 558 }
 559
 560 static void
 561 empathy_call_window_swap_camera_cb (GtkAction *action,
 562     EmpathyCallWindow *self)
 563 {
 564   const GList *cameras, *l;
 565   gchar *current_cam;
 566
 567   DEBUG ("Swapping the camera");
 568
 569   cameras = tpaw_camera_monitor_get_cameras (self->priv->camera_monitor);
 570   current_cam = empathy_video_src_dup_device (
 571       EMPATHY_GST_VIDEO_SRC (self->priv->video_input));
 572
 573   for (l = cameras; l != NULL; l = l->next)
 574     {
 575       TpawCamera *camera = l->data;
 576
 577       if (!tp_strdiff (camera->device, current_cam))
 578         {
 579           TpawCamera *next;
 580
 581           if (l->next != NULL)
 582             next = l->next->data;
 583           else
 584             next = cameras->data;
 585
 586           /* EmpathyCameraMenu will update itself and do the actual change
 587            * for us */
 588           g_settings_set_string (self->priv->settings,
 589               EMPATHY_PREFS_CALL_CAMERA_DEVICE,
 590               next->device);
 591
 592           break;
 593         }
 594     }
 595
 596   g_free (current_cam);
 597 }
 598
 599 static void
 600 empathy_call_window_update_swap_camera (EmpathyCallWindow *self)
 601 {
 602   const GList *cameras = tpaw_camera_monitor_get_cameras (
 603       self->priv->camera_monitor);
 604
 605   gtk_action_set_visible (self->priv->menu_swap_camera,
 606       g_list_length ((GList *) cameras) >= 2);
 607 }
 608
 609 static void
 610 empathy_call_window_camera_added_cb (TpawCameraMonitor *monitor,
 611     TpawCamera *camera,
 612     EmpathyCallWindow *self)
 613 {
 614   empathy_call_window_update_swap_camera (self);
 615 }
 616
 617 static void
 618 empathy_call_window_camera_removed_cb (TpawCameraMonitor *monitor,
 619     TpawCamera *camera,
 620     EmpathyCallWindow *self)
 621 {
 622   empathy_call_window_update_swap_camera (self);
 623 }
 624
 625 static void
 626 empathy_call_window_preview_button_clicked_cb (ClutterClickAction *action,
 627     ClutterActor *actor,
 628     EmpathyCallWindow *self)
 629 {
 630   GtkWidget *menu;
 631
 632   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 633       "/preview-menu");
 634   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 635       0, gtk_get_current_event_time ());
 636   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 637 }
 638
 639 static void
 640 empathy_call_window_preview_hidden_button_clicked_cb (
 641     ClutterClickAction *action,
 642     ClutterActor *actor,
 643     EmpathyCallWindow *self)
 644 {
 645   GtkWidget *menu;
 646
 647   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 648       "/preview-hidden-menu");
 649   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 650       0, gtk_get_current_event_time ());
 651   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 652 }
 653
 654 static ClutterActor *
 655 empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
 656     ClutterBinAlignment x,
 657     ClutterBinAlignment y)
 658 {
 659   ClutterActor *rectangle;
 660
 661   rectangle = CLUTTER_ACTOR (empathy_rounded_rectangle_new (
 662       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT,
 663       PREVIEW_ROUND_FACTOR));
 664
 665   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->preview_layout),
 666       rectangle, x, y);
 667   clutter_actor_hide (rectangle);
 668
 669   return rectangle;
 670 }
 671
 672 static void
 673 empathy_call_window_create_preview_rectangles (EmpathyCallWindow *self)
 674 {
 675   ClutterActor *box;
 676
 677   self->priv->preview_layout = clutter_bin_layout_new (
 678       CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_CENTER);
 679   self->priv->preview_box = box = clutter_box_new (self->priv->preview_layout);
 680
 681   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->overlay_layout),
 682       box,
 683       CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_FILL);
 684
 685   self->priv->preview_rectangle1 =
 686       empathy_call_window_create_preview_rectangle (self,
 687           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_START);
 688   self->priv->preview_rectangle2 =
 689       empathy_call_window_create_preview_rectangle (self,
 690           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_END);
 691   self->priv->preview_rectangle3 =
 692       empathy_call_window_create_preview_rectangle (self,
 693           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_START);
 694   self->priv->preview_rectangle4 =
 695       empathy_call_window_create_preview_rectangle (self,
 696           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
 697 }
 698
 699 static void
 700 empathy_call_window_show_preview_rectangles (EmpathyCallWindow *self,
 701     gboolean show)
 702 {
 703   g_object_set (self->priv->preview_rectangle1, "visible", show, NULL);
 704   g_object_set (self->priv->preview_rectangle2, "visible", show, NULL);
 705   g_object_set (self->priv->preview_rectangle3, "visible", show, NULL);
 706   g_object_set (self->priv->preview_rectangle4, "visible", show, NULL);
 707 }
 708
 709 static void
 710 empathy_call_window_get_preview_coordinates (EmpathyCallWindow *self,
 711     PreviewPosition pos,
 712     guint *x,
 713     guint *y)
 714 {
 715   guint ret_x = 0, ret_y = 0;
 716   ClutterGeometry box;
 717
 718   if (!clutter_actor_has_allocation (self->priv->preview_box))
 719     goto out;
 720
 721   clutter_actor_get_geometry (self->priv->preview_box, &box);
 722
 723   switch (pos)
 724     {
 725       case PREVIEW_POS_TOP_LEFT:
 726         ret_x = ret_y = SELF_VIDEO_SECTION_MARGIN;
 727         break;
 728       case PREVIEW_POS_TOP_RIGHT:
 729         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 730             - SELF_VIDEO_SECTION_WIDTH;
 731         ret_y = SELF_VIDEO_SECTION_MARGIN;
 732         break;
 733       case PREVIEW_POS_BOTTOM_LEFT:
 734         ret_x = SELF_VIDEO_SECTION_MARGIN;
 735         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 736             - SELF_VIDEO_SECTION_HEIGHT;
 737         break;
 738       case PREVIEW_POS_BOTTOM_RIGHT:
 739         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 740             - SELF_VIDEO_SECTION_WIDTH;
 741         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 742             - SELF_VIDEO_SECTION_HEIGHT;
 743         break;
 744       default:
 745         g_warn_if_reached ();
 746     }
 747
 748 out:
 749   if (x != NULL)
 750     *x = ret_x;
 751
 752   if (y != NULL)
 753     *y = ret_y;
 754 }
 755
 756 static PreviewPosition
 757 empathy_call_window_get_preview_position (EmpathyCallWindow *self,
 758     gfloat event_x,
 759     gfloat event_y)
 760 {
 761   ClutterGeometry box;
 762   PreviewPosition pos = PREVIEW_POS_NONE;
 763
 764   if (!clutter_actor_has_allocation (self->priv->preview_box))
 765     return pos;
 766
 767   clutter_actor_get_geometry (self->priv->preview_box, &box);
 768
 769   if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 770       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 771       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 772       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 773     {
 774       pos = PREVIEW_POS_TOP_LEFT;
 775     }
 776   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 777       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 778       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 779       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 780     {
 781       pos = PREVIEW_POS_TOP_RIGHT;
 782     }
 783   else if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 784       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 785       box.height - SELF_VIDEO_SECTION_MARGIN >= event_y &&
 786       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_HEIGHT))
 787     {
 788       pos = PREVIEW_POS_BOTTOM_LEFT;
 789     }
 790   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 791       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 792       box.height - 2 * SELF_VIDEO_SECTION_MARGIN >= event_y &&
 793       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_HEIGHT))
 794     {
 795       pos = PREVIEW_POS_BOTTOM_RIGHT;
 796     }
 797
 798   return pos;
 799 }
 800
 801 static ClutterActor *
 802 empathy_call_window_get_preview_rectangle (EmpathyCallWindow *self,
 803     PreviewPosition pos)
 804 {
 805   ClutterActor *rectangle;
 806
 807   switch (pos)
 808     {
 809       case PREVIEW_POS_TOP_LEFT:
 810         rectangle = self->priv->preview_rectangle1;
 811         break;
 812       case PREVIEW_POS_TOP_RIGHT:
 813         rectangle = self->priv->preview_rectangle3;
 814         break;
 815       case PREVIEW_POS_BOTTOM_LEFT:
 816         rectangle = self->priv->preview_rectangle2;
 817         break;
 818       case PREVIEW_POS_BOTTOM_RIGHT:
 819         rectangle = self->priv->preview_rectangle4;
 820         break;
 821       default:
 822         rectangle = NULL;
 823     }
 824
 825   return rectangle;
 826 }
 827
 828 static void
 829 empathy_call_window_move_video_preview (EmpathyCallWindow *self,
 830     PreviewPosition pos)
 831 {
 832   ClutterBinLayout *layout = CLUTTER_BIN_LAYOUT (self->priv->preview_layout);
 833
 834   DEBUG ("moving the video preview to %d", pos);
 835
 836   self->priv->preview_pos = pos;
 837
 838   switch (pos)
 839     {
 840       case PREVIEW_POS_TOP_LEFT:
 841         clutter_bin_layout_set_alignment (layout,
 842             self->priv->video_preview,
 843             CLUTTER_BIN_ALIGNMENT_START,
 844             CLUTTER_BIN_ALIGNMENT_START);
 845         break;
 846       case PREVIEW_POS_TOP_RIGHT:
 847         clutter_bin_layout_set_alignment (layout,
 848             self->priv->video_preview,
 849             CLUTTER_BIN_ALIGNMENT_END,
 850             CLUTTER_BIN_ALIGNMENT_START);
 851         break;
 852       case PREVIEW_POS_BOTTOM_LEFT:
 853         clutter_bin_layout_set_alignment (layout,
 854             self->priv->video_preview,
 855             CLUTTER_BIN_ALIGNMENT_START,
 856             CLUTTER_BIN_ALIGNMENT_END);
 857         break;
 858       case PREVIEW_POS_BOTTOM_RIGHT:
 859         clutter_bin_layout_set_alignment (layout,
 860             self->priv->video_preview,
 861             CLUTTER_BIN_ALIGNMENT_END,
 862             CLUTTER_BIN_ALIGNMENT_END);
 863         break;
 864       default:
 865         g_warn_if_reached ();
 866     }
 867
 868   g_settings_set_enum (self->priv->settings, "camera-position", pos);
 869 }
 870
 871 static void
 872 empathy_call_window_highlight_preview_rectangle (EmpathyCallWindow *self,
 873     PreviewPosition pos)
 874 {
 875   ClutterActor *rectangle;
 876   ClutterColor white = { 0xff, 0xff, 0xff, 0xff};
 877
 878   rectangle = empathy_call_window_get_preview_rectangle (self, pos);
 879
 880   empathy_rounded_rectangle_set_border_width (
 881       EMPATHY_ROUNDED_RECTANGLE (rectangle), 2 * SELF_VIDEO_SECTION_MARGIN);
 882   empathy_rounded_rectangle_set_border_color (
 883       EMPATHY_ROUNDED_RECTANGLE (rectangle), &white);
 884 }
 885
 886 static void
 887 empathy_call_window_darken_preview_rectangle (EmpathyCallWindow *self,
 888     ClutterActor *rectangle)
 889 {
 890   ClutterColor white = { 0xff, 0xff, 0xff, 0xff}, darker;
 891
 892   clutter_color_shade (&white, 0.55, &darker);
 893
 894   empathy_rounded_rectangle_set_border_width (
 895       EMPATHY_ROUNDED_RECTANGLE (rectangle), 1);
 896   empathy_rounded_rectangle_set_border_color (
 897       EMPATHY_ROUNDED_RECTANGLE (rectangle), &darker);
 898 }
 899
 900 static void
 901 empathy_call_window_darken_preview_rectangles (EmpathyCallWindow *self)
 902 {
 903   ClutterActor *rectangle;
 904
 905   rectangle = empathy_call_window_get_preview_rectangle (self,
 906       self->priv->preview_pos);
 907
 908   /* We don't want to darken the rectangle where the preview
 909    * currently is. */
 910
 911   if (self->priv->preview_rectangle1 != rectangle)
 912     empathy_call_window_darken_preview_rectangle (self,
 913         self->priv->preview_rectangle1);
 914
 915   if (self->priv->preview_rectangle2 != rectangle)
 916     empathy_call_window_darken_preview_rectangle (self,
 917         self->priv->preview_rectangle2);
 918
 919   if (self->priv->preview_rectangle3 != rectangle)
 920     empathy_call_window_darken_preview_rectangle (self,
 921         self->priv->preview_rectangle3);
 922
 923   if (self->priv->preview_rectangle4 != rectangle)
 924     empathy_call_window_darken_preview_rectangle (self,
 925         self->priv->preview_rectangle4);
 926 }
 927
 928 static void
 929 empathy_call_window_preview_on_drag_begin_cb (ClutterDragAction *action,
 930     ClutterActor *actor,
 931     gfloat event_x,
 932     gfloat event_y,
 933     ClutterModifierType modifiers,
 934     EmpathyCallWindow *self)
 935 {
 936   ClutterActor *stage = clutter_actor_get_stage (actor);
 937   gfloat rel_x, rel_y;
 938
 939   self->priv->drag_preview = clutter_clone_new (actor);
 940
 941   clutter_container_add_actor (CLUTTER_CONTAINER (stage),
 942       self->priv->drag_preview);
 943
 944   clutter_actor_transform_stage_point (actor, event_x, event_y,
 945       &rel_x, &rel_y);
 946
 947   clutter_actor_set_position (self->priv->drag_preview,
 948       event_x - rel_x, event_y - rel_y);
 949
 950   clutter_drag_action_set_drag_handle (action,
 951       self->priv->drag_preview);
 952
 953   clutter_actor_set_opacity (actor, 0);
 954   clutter_actor_hide (self->priv->preview_shown_button);
 955
 956   empathy_call_window_show_preview_rectangles (self, TRUE);
 957   empathy_call_window_darken_preview_rectangles (self);
 958 }
 959
 960 static void
 961 empathy_call_window_on_animation_completed_cb (ClutterAnimation *animation,
 962     ClutterActor *actor)
 963 {
 964   clutter_actor_set_opacity (actor, 255);
 965 }
 966
 967 static void
 968 empathy_call_window_preview_on_drag_end_cb (ClutterDragAction *action,
 969     ClutterActor *actor,
 970     gfloat event_x,
 971     gfloat event_y,
 972     ClutterModifierType modifiers,
 973     EmpathyCallWindow *self)
 974 {
 975   PreviewPosition pos;
 976   guint x, y;
 977
 978   /* Get the position before destroying the drag actor, otherwise the
 979    * preview_box allocation won't be valid and we won't be able to
 980    * calculate the position. */
 981   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
 982
 983   empathy_call_window_get_preview_coordinates (self,
 984       pos != PREVIEW_POS_NONE ? pos : self->priv->preview_pos,
 985       &x, &y);
 986
 987   /* Move the preview to the destination and destroy it afterwards */
 988   clutter_actor_animate (self->priv->drag_preview, CLUTTER_LINEAR, 500,
 989       "x", (gfloat) x,
 990       "y", (gfloat) y,
 991       "signal-swapped-after::completed",
 992         clutter_actor_destroy, self->priv->drag_preview,
 993       "signal-swapped-after::completed",
 994         clutter_actor_show, self->priv->preview_shown_button,
 995       "signal::completed",
 996         empathy_call_window_on_animation_completed_cb, actor,
 997       NULL);
 998
 999   self->priv->drag_preview = NULL;
1000
1001   if (pos != PREVIEW_POS_NONE)
1002     empathy_call_window_move_video_preview (self, pos);
1003
1004   empathy_call_window_show_preview_rectangles (self, FALSE);
1005 }
1006
1007 static void
1008 empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
1009     ClutterActor *actor,
1010     gfloat delta_x,
1011     gfloat delta_y,
1012     EmpathyCallWindow *self)
1013 {
1014   PreviewPosition pos;
1015   gfloat event_x, event_y;
1016
1017   clutter_drag_action_get_motion_coords (action, &event_x, &event_y);
1018
1019   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1020
1021   if (pos != PREVIEW_POS_NONE)
1022     empathy_call_window_highlight_preview_rectangle (self, pos);
1023   else
1024     empathy_call_window_darken_preview_rectangles (self);
1025 }
1026
1027 static gboolean
1028 empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
1029     ClutterCrossingEvent *event,
1030     EmpathyCallWindow *self)
1031 {
1032   ClutterActor *rectangle;
1033
1034   rectangle = empathy_call_window_get_preview_rectangle (self,
1035       self->priv->preview_pos);
1036
1037   empathy_call_window_highlight_preview_rectangle (self,
1038       self->priv->preview_pos);
1039
1040   clutter_actor_show (rectangle);
1041
1042   return FALSE;
1043 }
1044
1045 static gboolean
1046 empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
1047     ClutterCrossingEvent *event,
1048     EmpathyCallWindow *self)
1049 {
1050   ClutterActor *rectangle;
1051
1052   rectangle = empathy_call_window_get_preview_rectangle (self,
1053       self->priv->preview_pos);
1054
1055   empathy_call_window_darken_preview_rectangle (self, rectangle);
1056
1057   clutter_actor_hide (rectangle);
1058
1059   return FALSE;
1060 }
1061
1062 static void
1063 create_video_preview (EmpathyCallWindow *self)
1064 {
1065   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1066   ClutterLayoutManager *layout;
1067   ClutterActor *preview;
1068   ClutterActor *b;
1069   ClutterAction *action;
1070   PreviewPosition pos;
1071
1072   g_assert (priv->video_preview == NULL);
1073
1074   pos = g_settings_get_enum (priv->settings, "camera-position");
1075
1076   preview = empathy_rounded_texture_new ();
1077   clutter_actor_set_size (preview,
1078       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1079
1080   priv->video_preview_sink = gst_element_factory_make ("cluttersink", NULL);
1081   if (priv->video_preview_sink == NULL)
1082       g_error ("Missing cluttersink, check your clutter-gst installation");
1083   g_object_set (priv->video_preview_sink, "texture", preview, NULL);
1084   g_object_add_weak_pointer (G_OBJECT (priv->video_preview_sink), (gpointer) &priv->video_preview_sink);
1085
1086   /* Add a little offset to the video preview */
1087   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1088       CLUTTER_BIN_ALIGNMENT_CENTER);
1089   priv->video_preview = clutter_box_new (layout);
1090   clutter_actor_set_size (priv->video_preview,
1091       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1092       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1093
1094   /* Spinner for when changing the camera device */
1095   priv->preview_spinner_widget = gtk_spinner_new ();
1096   priv->preview_spinner_actor = empathy_rounded_actor_new (PREVIEW_ROUND_FACTOR);
1097
1098   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1099   make_background_transparent (GTK_CLUTTER_ACTOR (priv->preview_spinner_actor));
1100   gtk_widget_show (priv->preview_spinner_widget);
1101
1102   gtk_container_add (
1103       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1104           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1105       priv->preview_spinner_widget);
1106   clutter_actor_set_size (priv->preview_spinner_actor,
1107       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1108   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1109   clutter_actor_hide (priv->preview_spinner_actor);
1110
1111   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1112       preview);
1113   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1114       priv->preview_spinner_actor);
1115
1116   g_object_set (priv->video_preview_sink,
1117       "sync", FALSE,
1118       "async", FALSE,
1119       NULL);
1120
1121   /* Preview show */
1122   priv->preview_shown_button = b = gtk_clutter_actor_new_with_contents (
1123       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1124         GTK_ICON_SIZE_MENU));
1125   clutter_actor_set_margin_right (b, 4);
1126   clutter_actor_set_margin_bottom (b, 2);
1127   clutter_actor_set_opacity (b, PREVIEW_BUTTON_OPACITY);
1128   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1129
1130   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (layout), b,
1131       CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
1132
1133   action = clutter_click_action_new ();
1134   clutter_actor_add_action (b, action);
1135   g_signal_connect (action, "clicked",
1136       G_CALLBACK (empathy_call_window_preview_button_clicked_cb), self);
1137
1138   /* Preview hidden */
1139   priv->preview_hidden_button = b = gtk_clutter_actor_new_with_contents (
1140       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1141         GTK_ICON_SIZE_MENU));
1142   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1143
1144   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1145       priv->preview_hidden_button,
1146       CLUTTER_BIN_ALIGNMENT_START,
1147       CLUTTER_BIN_ALIGNMENT_END);
1148
1149   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1150
1151   clutter_actor_hide (priv->preview_hidden_button);
1152
1153   action = clutter_click_action_new ();
1154   clutter_actor_add_action (b, action);
1155   g_signal_connect (action, "clicked",
1156       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb), self);
1157
1158   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1159       priv->video_preview,
1160       CLUTTER_BIN_ALIGNMENT_START,
1161       CLUTTER_BIN_ALIGNMENT_END);
1162
1163   empathy_call_window_move_video_preview (self, pos);
1164
1165   action = clutter_drag_action_new ();
1166   g_signal_connect (action, "drag-begin",
1167       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1168   g_signal_connect (action, "drag-end",
1169       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1170   g_signal_connect (action, "drag-motion",
1171       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1172
1173   g_signal_connect (preview, "enter-event",
1174       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1175   g_signal_connect (preview, "leave-event",
1176       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1177
1178   clutter_actor_add_action (preview, action);
1179   clutter_actor_set_reactive (preview, TRUE);
1180   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1181 }
1182
1183 static void
1184 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1185 {
1186   clutter_actor_show (self->priv->preview_spinner_actor);
1187   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1188 }
1189
1190 static void
1191 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1192 {
1193   clutter_actor_hide (self->priv->preview_spinner_actor);
1194   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1195 }
1196
1197 void
1198 empathy_call_window_play_camera (EmpathyCallWindow *self,
1199     gboolean play)
1200 {
1201   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1202   GstElement *preview;
1203   GstState state;
1204
1205   if (priv->video_preview == NULL)
1206     {
1207       create_video_preview (self);
1208       add_video_preview_to_pipeline (self);
1209     }
1210
1211   if (play)
1212     {
1213       state = GST_STATE_PLAYING;
1214     }
1215   else
1216     {
1217       empathy_call_window_start_camera_spinning (self);
1218       state = GST_STATE_NULL;
1219     }
1220
1221   preview = priv->video_preview_sink;
1222
1223   gst_element_set_state (preview, state);
1224   gst_element_set_state (priv->video_tee, state);
1225   gst_element_set_state (priv->video_input, state);
1226 }
1227
1228 static void
1229 display_video_preview (EmpathyCallWindow *self,
1230     gboolean display)
1231 {
1232   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1233
1234   if (priv->video_preview == NULL)
1235     {
1236       create_video_preview (self);
1237       add_video_preview_to_pipeline (self);
1238     }
1239
1240   if (display)
1241     {
1242       /* Display the video preview */
1243       DEBUG ("Show video preview");
1244
1245       empathy_call_window_play_camera (self, TRUE);
1246       clutter_actor_show (priv->video_preview);
1247       clutter_actor_raise_top (priv->floating_toolbar);
1248     }
1249   else
1250     {
1251       /* Hide the video preview */
1252       DEBUG ("Hide video preview");
1253
1254       if (priv->video_preview != NULL)
1255         {
1256           clutter_actor_hide (priv->video_preview);
1257           empathy_call_window_play_camera (self, FALSE);
1258         }
1259     }
1260 }
1261
1262 static void
1263 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1264 {
1265   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1266
1267   empathy_call_window_status_message (window, _("Connecting…"));
1268   priv->call_state = CONNECTING;
1269
1270   /* Show the toolbar */
1271   clutter_state_set_state (priv->transitions, "fade-in");
1272
1273   if (priv->outgoing)
1274     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1275         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1276 }
1277
1278 static void
1279 disable_camera (EmpathyCallWindow *self)
1280 {
1281   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1282
1283   if (priv->camera_state == CAMERA_STATE_OFF)
1284     return;
1285
1286   DEBUG ("Disable camera");
1287
1288   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1289
1290   priv->camera_state = CAMERA_STATE_OFF;
1291 }
1292
1293 static void
1294 enable_camera (EmpathyCallWindow *self)
1295 {
1296   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1297
1298   if (priv->camera_state == CAMERA_STATE_ON)
1299     return;
1300
1301   if (priv->video_input == NULL)
1302     {
1303       DEBUG ("Can't enable camera, no input");
1304       return;
1305     }
1306
1307   DEBUG ("Enable camera");
1308
1309   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1310
1311   priv->camera_state = CAMERA_STATE_ON;
1312 }
1313
1314 static void
1315 empathy_call_window_camera_toggled_cb (GtkToggleButton *toggle,
1316   EmpathyCallWindow *self)
1317 {
1318   if (gtk_toggle_button_get_active (toggle))
1319     enable_camera (self);
1320   else
1321     disable_camera (self);
1322 }
1323
1324 static void
1325 create_pipeline (EmpathyCallWindow *self)
1326 {
1327   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1328   GstBus *bus;
1329
1330   g_assert (priv->pipeline == NULL);
1331
1332   priv->pipeline = gst_pipeline_new (NULL);
1333   priv->pipeline_playing = FALSE;
1334
1335   priv->video_tee = gst_element_factory_make ("tee", NULL);
1336   gst_object_ref_sink (priv->video_tee);
1337
1338   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1339
1340   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1341   priv->bus_message_source_id = gst_bus_add_watch (bus,
1342       empathy_call_window_bus_message, self);
1343
1344   g_object_unref (bus);
1345 }
1346
1347 static void
1348 empathy_call_window_settings_cb (GtkAction *action,
1349     EmpathyCallWindow *self)
1350 {
1351   gchar *args = g_strdup_printf ("-p %s",
1352       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1353
1354   empathy_launch_program (BIN_DIR, "empathy", args);
1355
1356   g_free (args);
1357 }
1358
1359 static void
1360 empathy_call_window_contents_cb (GtkAction *action,
1361     EmpathyCallWindow *self)
1362 {
1363   empathy_url_show (GTK_WIDGET (self), "help:empathy/audio-video");
1364 }
1365
1366 static void
1367 show_png (GPid pid, gint status, gpointer user_data)
1368 {
1369   gtk_show_uri (NULL, (gchar *) user_data, GDK_CURRENT_TIME, NULL);
1370   g_spawn_close_pid (pid);
1371   g_free (user_data);
1372 }
1373
1374 static void
1375 empathy_call_window_debug_gst_cb (GtkAction *action,
1376     EmpathyCallWindow *self)
1377 {
1378   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1379   GDateTime *date_time;
1380   GPid dot_pid;
1381   const gchar *dot_dir;
1382   const gchar *prgname;
1383   gchar *dot_cmd;
1384   gchar *filename;
1385   gchar **argv;
1386   gint argc;
1387
1388   if (priv->pipeline == NULL)
1389     DEBUG ("No pipeline");
1390
1391   date_time = g_date_time_new_now_utc ();
1392   prgname = g_get_prgname ();
1393   filename = g_strdup_printf ("%s-%" G_GINT64_FORMAT, prgname,
1394       g_date_time_to_unix (date_time));
1395
1396   GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (priv->pipeline),
1397       GST_DEBUG_GRAPH_SHOW_ALL, filename);
1398
1399   dot_dir = g_getenv ("GST_DEBUG_DUMP_DOT_DIR");
1400   dot_cmd = g_strdup_printf ("dot -Tpng -o %s.png %s.dot",
1401       filename,
1402       filename);
1403   g_shell_parse_argv (dot_cmd, &argc, &argv, NULL);
1404
1405   if (g_spawn_async (dot_dir,
1406           argv,
1407           NULL,
1408           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
1409           NULL,
1410           NULL,
1411           &dot_pid,
1412           NULL))
1413     {
1414       gchar *uri = g_strdup_printf ("file://%s/%s.png", dot_dir, filename);
1415       g_child_watch_add (dot_pid, show_png, uri);
1416     }
1417
1418   g_strfreev (argv);
1419   g_free (dot_cmd);
1420   g_free (filename);
1421   g_date_time_unref (date_time);
1422 }
1423
1424 static void
1425 empathy_call_window_debug_tp_cb (GtkAction *action,
1426     EmpathyCallWindow *self)
1427 {
1428   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1429 }
1430
1431 static void
1432 empathy_call_window_about_cb (GtkAction *action,
1433     EmpathyCallWindow *self)
1434 {
1435   empathy_about_dialog_new (GTK_WINDOW (self));
1436 }
1437
1438 static gboolean
1439 empathy_call_window_toolbar_timeout (gpointer data)
1440 {
1441   EmpathyCallWindow *self = data;
1442
1443   /* We don't want to hide the toolbar if we're not in a call, as
1444    * to show the call status all the time. Also don't hide if we're muted
1445    * to prevent the awkward, talking when muted situation */
1446   if (self->priv->call_state != CONNECTING &&
1447       self->priv->call_state != DISCONNECTED &&
1448       !self->priv->muted)
1449     clutter_state_set_state (self->priv->transitions, "fade-out");
1450
1451   return TRUE;
1452 }
1453
1454 static gboolean
1455 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1456     GdkEvent *event,
1457     EmpathyCallWindow *self)
1458 {
1459   clutter_state_set_state (self->priv->transitions, "fade-in");
1460
1461   if (self->priv->inactivity_src > 0)
1462     g_source_remove (self->priv->inactivity_src);
1463
1464   self->priv->inactivity_src = g_timeout_add_seconds (3,
1465       empathy_call_window_toolbar_timeout, self);
1466
1467   return FALSE;
1468 }
1469
1470 static gboolean
1471 empathy_call_window_configure_event_cb (GtkWidget *widget,
1472     GdkEvent  *event,
1473     EmpathyCallWindow *self)
1474 {
1475   GdkWindow *gdk_window;
1476   GdkWindowState window_state;
1477
1478   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1479   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1480
1481   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1482       &self->priv->dialpad_width, NULL);
1483
1484   gdk_window = gtk_widget_get_window (widget);
1485   window_state = gdk_window_get_state (gdk_window);
1486   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1487
1488   return FALSE;
1489 }
1490
1491 static void
1492 empathy_call_window_destroyed_cb (GtkWidget *object,
1493     EmpathyCallWindow *self)
1494 {
1495   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1496     {
1497       /* Save the geometry as if the dialpad was hidden. */
1498       empathy_geometry_save_values (GTK_WINDOW (self),
1499           self->priv->x, self->priv->y,
1500           self->priv->w - self->priv->dialpad_width, self->priv->h,
1501           self->priv->maximized);
1502     }
1503 }
1504
1505 static void
1506 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1507     gint response_id,
1508     EmpathyCallWindow *self)
1509 {
1510   switch (response_id)
1511     {
1512       case GTK_RESPONSE_ACCEPT:
1513         tp_channel_dispatch_operation_handle_with_time_async (
1514             self->priv->pending_cdo, EMPATHY_CALL_TP_BUS_NAME,
1515             empathy_get_current_action_time (), NULL, NULL);
1516
1517         tp_clear_object (&self->priv->pending_cdo);
1518         tp_clear_object (&self->priv->pending_channel);
1519         tp_clear_object (&self->priv->pending_context);
1520
1521         break;
1522       case GTK_RESPONSE_CANCEL:
1523         tp_channel_dispatch_operation_close_channels_async (
1524             self->priv->pending_cdo, NULL, NULL);
1525
1526         empathy_call_window_status_message (self, _("Disconnected"));
1527         self->priv->call_state = DISCONNECTED;
1528         break;
1529       default:
1530         g_warn_if_reached ();
1531     }
1532 }
1533
1534 static void
1535 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1536 {
1537   gboolean video;
1538
1539   g_assert (self->priv->call_state != CONNECTED);
1540
1541   video = tp_call_channel_has_initial_video (self->priv->pending_channel, NULL);
1542
1543   empathy_call_window_status_message (self, _("Incoming call"));
1544   self->priv->call_state = RINGING;
1545
1546   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1547       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1548       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1549       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1550       empathy_contact_get_alias (self->priv->contact));
1551
1552   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1553       _("Reject"), GTK_RESPONSE_CANCEL,
1554       _("Answer"), GTK_RESPONSE_ACCEPT,
1555       NULL);
1556
1557   g_signal_connect (self->priv->incoming_call_dialog, "response",
1558       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1559   gtk_widget_show (self->priv->incoming_call_dialog);
1560 }
1561
1562 static void
1563 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1564     guint domain,
1565     gint code,
1566     gchar *message,
1567     EmpathyCallWindow *self)
1568 {
1569   tp_clear_object (&self->priv->pending_cdo);
1570   tp_clear_object (&self->priv->pending_channel);
1571   tp_clear_object (&self->priv->pending_context);
1572
1573   /* We don't know if the incoming call has been accepted or not, so we
1574    * assume it hasn't and if it has, we'll set the proper status when
1575    * we get the new handler. */
1576   empathy_call_window_status_message (self, _("Disconnected"));
1577   self->priv->call_state = DISCONNECTED;
1578
1579   gtk_widget_destroy (self->priv->incoming_call_dialog);
1580   self->priv->incoming_call_dialog = NULL;
1581 }
1582
1583 void
1584 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1585     TpCallChannel *channel,
1586     TpChannelDispatchOperation *dispatch_operation,
1587     TpAddDispatchOperationContext *context)
1588 {
1589   g_assert (self->priv->pending_channel == NULL);
1590   g_assert (self->priv->pending_context == NULL);
1591   g_assert (self->priv->pending_cdo == NULL);
1592
1593   /* Start ringing and delay until the user answers or hangs. */
1594   self->priv->pending_channel = g_object_ref (channel);
1595   self->priv->pending_context = g_object_ref (context);
1596   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1597
1598   g_signal_connect (self->priv->pending_cdo, "invalidated",
1599       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1600
1601   empathy_call_window_set_state_ringing (self);
1602   tp_add_dispatch_operation_context_accept (context);
1603 }
1604
1605 static void
1606 mic_button_clicked (GtkWidget *button,
1607     EmpathyCallWindow *self)
1608 {
1609   /* Toggle the muted state. We rely on audio_input_mute_notify_cb to update
1610    * the icon. */
1611   empathy_audio_src_set_mute (EMPATHY_GST_AUDIO_SRC (self->priv->audio_input),
1612       !self->priv->muted);
1613 }
1614
1615 static void
1616 empathy_call_window_init (EmpathyCallWindow *self)
1617 {
1618   EmpathyCallWindowPriv *priv;
1619   GtkBuilder *gui;
1620   GtkWidget *top_vbox;
1621   gchar *filename;
1622   ClutterConstraint *constraint;
1623   ClutterActor *remote_avatar;
1624   ClutterColor black = { 0, 0, 0, 0 };
1625   ClutterMargin overlay_margin = { OVERLAY_MARGIN, OVERLAY_MARGIN,
1626     OVERLAY_MARGIN, OVERLAY_MARGIN };
1627
1628   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1629     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1630
1631   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1632   priv->timer = g_timer_new ();
1633
1634   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1635   gui = tpaw_builder_get_file (filename,
1636     "call_window_vbox", &top_vbox,
1637     "errors_vbox", &priv->errors_vbox,
1638     "pane", &priv->pane,
1639     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1640     "remote_user_status_toolbar", &priv->remote_user_status_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     "microphone_icon", &priv->microphone_icon,
1647     "volume", &priv->volume_button,
1648     "camera", &priv->camera_button,
1649     "hangup", &priv->hangup_button,
1650     "dialpad", &priv->dialpad_button,
1651     "toolbar", &priv->toolbar,
1652     "bottom_toolbar", &priv->bottom_toolbar,
1653     "ui_manager", &priv->ui_manager,
1654     "menufullscreen", &priv->menu_fullscreen,
1655     "menupreviewswap", &priv->menu_swap_camera,
1656     "details_vbox",  &priv->details_vbox,
1657     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1658     "acodec_encoding_label", &priv->acodec_encoding_label,
1659     "acodec_decoding_label", &priv->acodec_decoding_label,
1660     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1661     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1662     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1663     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1664     "video_local_candidate_label", &priv->video_local_candidate_label,
1665     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1666     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1667     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1668     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1669     NULL);
1670   g_free (filename);
1671
1672   tpaw_builder_connect (gui, self,
1673     "hangup", "clicked", empathy_call_window_hangup_cb,
1674     "audiocall", "clicked", empathy_call_window_audio_call_cb,
1675     "videocall", "clicked", empathy_call_window_video_call_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     "menudebuggst", "activate", empathy_call_window_debug_gst_cb,
1682     "menudebugtp", "activate", empathy_call_window_debug_tp_cb,
1683     "menuabout", "activate", empathy_call_window_about_cb,
1684     "menupreviewdisable", "activate", empathy_call_window_disable_camera_cb,
1685     "menupreviewminimise", "activate", empathy_call_window_minimise_camera_cb,
1686     "menupreviewmaximise", "activate", empathy_call_window_maximise_camera_cb,
1687     "menupreviewswap", "activate", empathy_call_window_swap_camera_cb,
1688     NULL);
1689
1690   empathy_set_css_provider (GTK_WIDGET (self));
1691   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1692
1693   priv->camera_monitor = tpaw_camera_monitor_dup_singleton ();
1694   empathy_call_window_update_swap_camera (self);
1695
1696   g_object_bind_property (priv->camera_monitor, "available",
1697       priv->camera_button, "sensitive",
1698       G_BINDING_SYNC_CREATE);
1699
1700   g_signal_connect (priv->camera_monitor, "added",
1701       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1702   g_signal_connect (priv->camera_monitor, "removed",
1703       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1704
1705   g_signal_connect (priv->mic_button, "clicked",
1706       G_CALLBACK (mic_button_clicked), self);
1707
1708   g_mutex_init (&priv->lock);
1709
1710   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1711
1712   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1713       CONTENT_HBOX_SPACING);
1714   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1715       TRUE, TRUE, 0);
1716
1717   /* main contents remote avatar/video box */
1718   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_FILL,
1719       CLUTTER_BIN_ALIGNMENT_FILL);
1720
1721   priv->video_box = clutter_box_new (priv->video_layout);
1722
1723   priv->video_container = gtk_clutter_embed_new ();
1724
1725   gtk_widget_set_size_request (priv->video_container,
1726       REMOTE_VIDEO_DEFAULT_WIDTH, REMOTE_VIDEO_DEFAULT_HEIGHT);
1727
1728   /* Set the background black */
1729   clutter_stage_set_color (
1730       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1731           GTK_CLUTTER_EMBED (priv->video_container))),
1732       &black);
1733
1734   clutter_container_add (
1735       CLUTTER_CONTAINER (gtk_clutter_embed_get_stage (
1736           GTK_CLUTTER_EMBED (priv->video_container))),
1737       priv->video_box,
1738       NULL);
1739
1740   constraint = clutter_bind_constraint_new (
1741       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1742       CLUTTER_BIND_SIZE, 0);
1743   clutter_actor_add_constraint (priv->video_box, constraint);
1744
1745   priv->remote_user_avatar_widget = gtk_image_new ();
1746   remote_avatar = gtk_clutter_actor_new_with_contents (
1747       priv->remote_user_avatar_widget);
1748   make_background_transparent (GTK_CLUTTER_ACTOR (remote_avatar));
1749
1750   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1751       remote_avatar);
1752
1753   /* create the overlay bin */
1754   priv->overlay_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1755     CLUTTER_BIN_ALIGNMENT_CENTER);
1756   priv->overlay_bin = clutter_actor_new ();
1757   clutter_actor_set_layout_manager (priv->overlay_bin, priv->overlay_layout);
1758
1759   clutter_actor_set_margin (priv->overlay_bin, &overlay_margin);
1760
1761   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1762       priv->overlay_bin,
1763       CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_FILL);
1764
1765   empathy_call_window_create_preview_rectangles (self);
1766
1767   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1768       priv->video_container, TRUE, TRUE,
1769       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1770
1771   create_pipeline (self);
1772   create_video_output_widget (self);
1773   create_audio_input (self);
1774   create_video_input (self);
1775
1776   priv->floating_toolbar = gtk_clutter_actor_new ();
1777   clutter_actor_set_reactive (priv->floating_toolbar, TRUE);
1778   make_background_transparent (GTK_CLUTTER_ACTOR (priv->floating_toolbar));
1779
1780   gtk_style_context_add_class (
1781       gtk_widget_get_style_context (GTK_WIDGET (priv->bottom_toolbar)),
1782       GTK_STYLE_CLASS_OSD);
1783   gtk_widget_reparent (priv->bottom_toolbar,
1784       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1785
1786   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->overlay_layout),
1787       priv->floating_toolbar,
1788       CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_END);
1789
1790   clutter_actor_raise_top (priv->floating_toolbar);
1791
1792   /* Transitions for the floating toolbar */
1793   priv->transitions = clutter_state_new ();
1794
1795   /* all transitions last for 2s */
1796   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1797
1798   /* transition from any state to "fade-out" state */
1799   clutter_state_set (priv->transitions, NULL, "fade-out",
1800       priv->floating_toolbar,
1801       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1802       NULL);
1803
1804   /* transition from any state to "fade-in" state */
1805   clutter_state_set (priv->transitions, NULL, "fade-in",
1806       priv->floating_toolbar,
1807       "opacity", CLUTTER_EASE_OUT_QUAD, 255,
1808       NULL);
1809
1810   /* put the actor into the "fade-in" state with no animation */
1811   clutter_state_warp_to_state (priv->transitions, "fade-in");
1812
1813   /* The call will be started as soon the pipeline is playing */
1814   priv->start_call_when_playing = TRUE;
1815
1816   priv->dtmf_panel = empathy_dialpad_widget_new ();
1817   g_signal_connect (priv->dtmf_panel, "start-tone",
1818       G_CALLBACK (dtmf_start_tone_cb), self);
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   g_object_ref (priv->ui_manager);
1862   g_object_unref (gui);
1863
1864   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1865   priv->mic_menu = empathy_mic_menu_new (self);
1866   priv->camera_menu = empathy_camera_menu_new (self);
1867
1868   empathy_call_window_show_hangup_button (self, TRUE);
1869
1870   gtk_window_set_default_size (GTK_WINDOW (self), 580, 480);
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 = tpaw_pixbuf_from_icon_name_sized (
1905           TPAW_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
1942   gtk_label_set_text (GTK_LABEL (self->priv->remote_user_name_toolbar), alias);
1943
1944   if (status != NULL) {
1945     gchar *markup;
1946
1947     markup = g_markup_printf_escaped ("<small>%s</small>", status);
1948     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1949       markup);
1950     g_free (markup);
1951   } else {
1952     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1953       "");
1954   }
1955 }
1956
1957 static void
1958 contact_name_changed_cb (EmpathyContact *contact,
1959     GParamSpec *pspec,
1960     EmpathyCallWindow *self)
1961 {
1962   set_window_title (self);
1963   set_remote_user_name (self, contact);
1964 }
1965
1966 static void
1967 contact_presence_changed_cb (EmpathyContact *contact,
1968     GParamSpec *pspec,
1969     EmpathyCallWindow *self)
1970 {
1971   set_remote_user_name (self, contact);
1972 }
1973
1974 static void
1975 contact_avatar_changed_cb (EmpathyContact *contact,
1976     GParamSpec *pspec,
1977     EmpathyCallWindow *self)
1978 {
1979   int size;
1980   GtkAllocation allocation;
1981   GtkWidget *avatar_widget;
1982
1983   avatar_widget = self->priv->remote_user_avatar_widget;
1984
1985   gtk_widget_get_allocation (avatar_widget, &allocation);
1986   size = allocation.height;
1987
1988   if (size == 0)
1989     {
1990       /* the widget is not allocated yet, set a default size */
1991       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1992           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1993     }
1994
1995   init_contact_avatar_with_size (contact, avatar_widget, size);
1996
1997   avatar_widget = self->priv->remote_user_avatar_toolbar;
1998
1999   gtk_widget_get_allocation (avatar_widget, &allocation);
2000   size = allocation.height;
2001
2002   if (size == 0)
2003     {
2004       /* the widget is not allocated yet, set a default size */
2005       size = SMALL_TOOLBAR_SIZE;
2006     }
2007
2008   init_contact_avatar_with_size (contact, avatar_widget, size);
2009 }
2010
2011 static void
2012 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2013     EmpathyCallHandler *handler)
2014 {
2015   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2016
2017   tp_g_signal_connect_object (priv->contact, "notify::name",
2018       G_CALLBACK (contact_name_changed_cb), self, 0);
2019   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2020     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2021   tp_g_signal_connect_object (priv->contact, "notify::presence",
2022       G_CALLBACK (contact_presence_changed_cb), self, 0);
2023
2024   set_window_title (self);
2025   set_remote_user_name (self, priv->contact);
2026
2027   init_contact_avatar_with_size (priv->contact,
2028       priv->remote_user_avatar_widget,
2029       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2030           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2031
2032   init_contact_avatar_with_size (priv->contact,
2033       priv->remote_user_avatar_toolbar,
2034       SMALL_TOOLBAR_SIZE);
2035
2036   /* The remote avatar is shown by default and will be hidden when we receive
2037      video from the remote side. */
2038   clutter_actor_hide (priv->video_output);
2039   gtk_widget_show (priv->remote_user_avatar_widget);
2040 }
2041
2042 static void
2043 update_send_codec (EmpathyCallWindow *self,
2044     gboolean audio)
2045 {
2046   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2047   FsCodec *codec;
2048   GtkWidget *widget;
2049   gchar *tmp;
2050
2051   if (audio)
2052     {
2053       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2054       widget = priv->acodec_encoding_label;
2055     }
2056   else
2057     {
2058       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2059       widget = priv->vcodec_encoding_label;
2060     }
2061
2062   if (codec == NULL)
2063     return;
2064
2065   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2066   gtk_label_set_text (GTK_LABEL (widget), tmp);
2067   g_free (tmp);
2068 }
2069
2070 static void
2071 send_audio_codec_notify_cb (GObject *object,
2072     GParamSpec *pspec,
2073     gpointer user_data)
2074 {
2075   EmpathyCallWindow *self = user_data;
2076
2077   update_send_codec (self, TRUE);
2078 }
2079
2080 static void
2081 send_video_codec_notify_cb (GObject *object,
2082     GParamSpec *pspec,
2083     gpointer user_data)
2084 {
2085   EmpathyCallWindow *self = user_data;
2086
2087   update_send_codec (self, FALSE);
2088 }
2089
2090 static void
2091 update_recv_codec (EmpathyCallWindow *self,
2092     gboolean audio)
2093 {
2094   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2095   GList *codecs, *l;
2096   GtkWidget *widget;
2097   GString *str = NULL;
2098
2099   if (audio)
2100     {
2101       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2102       widget = priv->acodec_decoding_label;
2103     }
2104   else
2105     {
2106       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2107       widget = priv->vcodec_decoding_label;
2108     }
2109
2110   if (codecs == NULL)
2111     return;
2112
2113   for (l = codecs; l != NULL; l = g_list_next (l))
2114     {
2115       FsCodec *codec = l->data;
2116
2117       if (str == NULL)
2118         str = g_string_new (NULL);
2119       else
2120         g_string_append (str, ", ");
2121
2122       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2123           codec->clock_rate);
2124     }
2125
2126   gtk_label_set_text (GTK_LABEL (widget), str->str);
2127   g_string_free (str, TRUE);
2128 }
2129
2130 static void
2131 recv_audio_codecs_notify_cb (GObject *object,
2132     GParamSpec *pspec,
2133     gpointer user_data)
2134 {
2135   EmpathyCallWindow *self = user_data;
2136
2137   update_recv_codec (self, TRUE);
2138 }
2139
2140 static void
2141 recv_video_codecs_notify_cb (GObject *object,
2142     GParamSpec *pspec,
2143     gpointer user_data)
2144 {
2145   EmpathyCallWindow *self = user_data;
2146
2147   update_recv_codec (self, FALSE);
2148 }
2149
2150 static const gchar *
2151 candidate_type_to_str (FsCandidate *candidate)
2152 {
2153   switch (candidate->type)
2154     {
2155       case FS_CANDIDATE_TYPE_HOST:
2156         return "host";
2157       case FS_CANDIDATE_TYPE_SRFLX:
2158         return "server reflexive";
2159       case FS_CANDIDATE_TYPE_PRFLX:
2160         return "peer reflexive";
2161       case FS_CANDIDATE_TYPE_RELAY:
2162         return "relay";
2163       case FS_CANDIDATE_TYPE_MULTICAST:
2164         return "multicast";
2165     }
2166
2167   return NULL;
2168 }
2169
2170 static const gchar *
2171 candidate_type_to_desc (FsCandidate *candidate)
2172 {
2173   switch (candidate->type)
2174     {
2175       case FS_CANDIDATE_TYPE_HOST:
2176         return _("The IP address as seen by the machine");
2177       case FS_CANDIDATE_TYPE_SRFLX:
2178         return _("The IP address as seen by a server on the Internet");
2179       case FS_CANDIDATE_TYPE_PRFLX:
2180         return _("The IP address of the peer as seen by the other side");
2181       case FS_CANDIDATE_TYPE_RELAY:
2182         return _("The IP address of a relay server");
2183       case FS_CANDIDATE_TYPE_MULTICAST:
2184         return _("The IP address of the multicast group");
2185     }
2186
2187   return NULL;
2188 }
2189
2190 static void
2191 update_candidat_widget (EmpathyCallWindow *self,
2192     GtkWidget *label,
2193     GtkWidget *img,
2194     FsCandidate *candidate)
2195 {
2196   gchar *str;
2197
2198   g_assert (candidate != NULL);
2199   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2200       candidate->port, candidate_type_to_str (candidate));
2201
2202   gtk_label_set_text (GTK_LABEL (label), str);
2203   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2204
2205   g_free (str);
2206 }
2207
2208 static void
2209 candidates_changed_cb (GObject *object,
2210     FsMediaType type,
2211     EmpathyCallWindow *self)
2212 {
2213   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2214   FsCandidate *candidate = NULL;
2215
2216   if (type == FS_MEDIA_TYPE_VIDEO)
2217     {
2218       /* Update remote candidate */
2219       candidate = empathy_call_handler_get_video_remote_candidate (
2220           priv->handler);
2221
2222       update_candidat_widget (self, priv->video_remote_candidate_label,
2223           priv->video_remote_candidate_info_img, candidate);
2224
2225       /* Update local candidate */
2226       candidate = empathy_call_handler_get_video_local_candidate (
2227           priv->handler);
2228
2229       update_candidat_widget (self, priv->video_local_candidate_label,
2230           priv->video_local_candidate_info_img, candidate);
2231     }
2232   else
2233     {
2234       /* Update remote candidate */
2235       candidate = empathy_call_handler_get_audio_remote_candidate (
2236           priv->handler);
2237
2238       update_candidat_widget (self, priv->audio_remote_candidate_label,
2239           priv->audio_remote_candidate_info_img, candidate);
2240
2241       /* Update local candidate */
2242       candidate = empathy_call_handler_get_audio_local_candidate (
2243           priv->handler);
2244
2245       update_candidat_widget (self, priv->audio_local_candidate_label,
2246           priv->audio_local_candidate_info_img, candidate);
2247     }
2248 }
2249
2250 static void
2251 empathy_call_window_constructed (GObject *object)
2252 {
2253   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2254   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2255   TpCallChannel *call;
2256   TpCallState state;
2257
2258   g_assert (priv->handler != NULL);
2259
2260   g_object_get (priv->handler, "call-channel", &call, NULL);
2261   state = tp_call_channel_get_state (call, NULL, NULL, NULL);
2262   priv->outgoing = (state == TP_CALL_STATE_PENDING_INITIATOR);
2263   tp_clear_object (&call);
2264
2265   priv->contact = empathy_call_handler_get_contact (priv->handler);
2266   g_assert (priv->contact != NULL);
2267   g_object_ref (priv->contact);
2268
2269   if (!empathy_contact_can_voip_video (priv->contact))
2270     {
2271       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2272       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2273     }
2274
2275   empathy_call_window_setup_avatars (self, priv->handler);
2276   empathy_call_window_set_state_connecting (self);
2277
2278   if (!empathy_call_handler_has_initial_video (priv->handler))
2279     {
2280       gtk_toggle_button_set_active (
2281           GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
2282     }
2283   /* If call has InitialVideo, the preview will be started once the call has
2284    * been started (start_call()). */
2285
2286   update_send_codec (self, TRUE);
2287   update_send_codec (self, FALSE);
2288   update_recv_codec (self, TRUE);
2289   update_recv_codec (self, FALSE);
2290
2291   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2292       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2293   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2294       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2295   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2296       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2297   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2298       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2299
2300   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2301       G_CALLBACK (candidates_changed_cb), self, 0);
2302 }
2303
2304 static void empathy_call_window_dispose (GObject *object);
2305 static void empathy_call_window_finalize (GObject *object);
2306
2307 static void
2308 empathy_call_window_set_property (GObject *object,
2309   guint property_id, const GValue *value, GParamSpec *pspec)
2310 {
2311   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2312
2313   switch (property_id)
2314     {
2315       case PROP_CALL_HANDLER:
2316         priv->handler = g_value_dup_object (value);
2317         break;
2318       default:
2319         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2320     }
2321 }
2322
2323 static void
2324 empathy_call_window_get_property (GObject *object,
2325   guint property_id, GValue *value, GParamSpec *pspec)
2326 {
2327   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2328
2329   switch (property_id)
2330     {
2331       case PROP_CALL_HANDLER:
2332         g_value_set_object (value, priv->handler);
2333         break;
2334       default:
2335         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2336     }
2337 }
2338
2339 static void
2340 empathy_call_window_class_init (
2341   EmpathyCallWindowClass *empathy_call_window_class)
2342 {
2343   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2344   GParamSpec *param_spec;
2345
2346   g_type_class_add_private (empathy_call_window_class,
2347     sizeof (EmpathyCallWindowPriv));
2348
2349   object_class->constructed = empathy_call_window_constructed;
2350   object_class->set_property = empathy_call_window_set_property;
2351   object_class->get_property = empathy_call_window_get_property;
2352
2353   object_class->dispose = empathy_call_window_dispose;
2354   object_class->finalize = empathy_call_window_finalize;
2355
2356   param_spec = g_param_spec_object ("handler",
2357     "handler", "The call handler",
2358     EMPATHY_TYPE_CALL_HANDLER,
2359     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2360   g_object_class_install_property (object_class,
2361     PROP_CALL_HANDLER, param_spec);
2362
2363   signals[SIG_INHIBIT] = g_signal_new ("inhibit",
2364       G_OBJECT_CLASS_TYPE (empathy_call_window_class),
2365       G_SIGNAL_RUN_LAST,
2366       0, NULL, NULL, NULL,
2367       G_TYPE_NONE,
2368       1, G_TYPE_BOOLEAN);
2369 }
2370
2371 void
2372 empathy_call_window_dispose (GObject *object)
2373 {
2374   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2375   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2376
2377   if (priv->dispose_has_run)
2378     return;
2379
2380   priv->dispose_has_run = TRUE;
2381
2382   if (priv->handler != NULL)
2383     {
2384       empathy_call_handler_stop_call (priv->handler);
2385       tp_clear_object (&priv->handler);
2386     }
2387
2388   if (priv->bus_message_source_id != 0)
2389     {
2390       g_source_remove (priv->bus_message_source_id);
2391       priv->bus_message_source_id = 0;
2392     }
2393
2394   if (priv->got_video_src > 0)
2395     {
2396       g_source_remove (priv->got_video_src);
2397       priv->got_video_src = 0;
2398     }
2399
2400   if (priv->inactivity_src > 0)
2401     {
2402       g_source_remove (priv->inactivity_src);
2403       priv->inactivity_src = 0;
2404     }
2405
2406   tp_clear_object (&priv->pipeline);
2407   tp_clear_object (&priv->video_input);
2408   tp_clear_object (&priv->audio_input);
2409   tp_clear_object (&priv->video_tee);
2410   tp_clear_object (&priv->ui_manager);
2411   tp_clear_object (&priv->fullscreen);
2412   tp_clear_object (&priv->camera_monitor);
2413   tp_clear_object (&priv->settings);
2414   tp_clear_object (&priv->sound_mgr);
2415   tp_clear_object (&priv->mic_menu);
2416   tp_clear_object (&priv->camera_menu);
2417   tp_clear_object (&priv->transitions);
2418
2419   g_list_free_full (priv->notifiers, g_object_unref);
2420
2421   if (priv->timer_id != 0)
2422     g_source_remove (priv->timer_id);
2423   priv->timer_id = 0;
2424
2425   tp_clear_object (&priv->contact);
2426
2427   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2428 }
2429
2430 static void
2431 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2432 {
2433   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2434
2435   if (priv->video_output_motion_handler_id != 0)
2436     {
2437       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2438           priv->video_output_motion_handler_id);
2439       priv->video_output_motion_handler_id = 0;
2440     }
2441 }
2442
2443 void
2444 empathy_call_window_finalize (GObject *object)
2445 {
2446   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2447   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2448
2449   disconnect_video_output_motion_handler (self);
2450
2451   /* free any data held directly by the object here */
2452   g_mutex_clear (&priv->lock);
2453
2454   g_timer_destroy (priv->timer);
2455
2456   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2457 }
2458
2459
2460 EmpathyCallWindow *
2461 empathy_call_window_new (EmpathyCallHandler *handler)
2462 {
2463   return EMPATHY_CALL_WINDOW (
2464     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2465 }
2466
2467 void
2468 empathy_call_window_new_handler (EmpathyCallWindow *self,
2469     EmpathyCallHandler *handler,
2470     gboolean present,
2471     guint32 x11_time)
2472 {
2473   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2474
2475   if (present)
2476     tpaw_window_present_with_time (GTK_WINDOW (self), x11_time);
2477
2478   if (self->priv->call_state == DISCONNECTED)
2479     {
2480       /* start a new call if one is not already in progress */
2481       tp_clear_object (&self->priv->handler);
2482       self->priv->handler = g_object_ref (handler);
2483       empathy_call_window_connect_handler (self);
2484
2485       empathy_call_window_restart_call (self);
2486     }
2487 }
2488
2489 static void
2490 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2491   GstElement *conference, gpointer user_data)
2492 {
2493   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2494   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2495   FsElementAddedNotifier *notifier;
2496   GKeyFile *keyfile;
2497
2498   DEBUG ("Conference added");
2499
2500   /* Add notifier to set the various element properties as needed */
2501   notifier = fs_element_added_notifier_new ();
2502   keyfile = fs_utils_get_default_element_properties (conference);
2503
2504   if (keyfile != NULL)
2505     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2506
2507   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2508
2509   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2510
2511   gst_bin_add (GST_BIN (priv->pipeline), conference);
2512   gst_element_set_state (conference, GST_STATE_PLAYING);
2513 }
2514
2515 static void
2516 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2517   GstElement *conference, gpointer user_data)
2518 {
2519   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2520   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2521
2522   g_list_free_full (priv->notifiers, g_object_unref);
2523   priv->notifiers = NULL;
2524
2525   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2526   gst_element_set_state (conference, GST_STATE_NULL);
2527 }
2528
2529 static gboolean
2530 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2531 {
2532   GstStateChangeReturn state_change_return;
2533   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2534
2535   if (priv->pipeline == NULL)
2536     return TRUE;
2537
2538   if (priv->bus_message_source_id != 0)
2539     {
2540       g_source_remove (priv->bus_message_source_id);
2541       priv->bus_message_source_id = 0;
2542     }
2543
2544   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2545
2546   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2547         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2548     {
2549       if (priv->pipeline != NULL)
2550         g_object_unref (priv->pipeline);
2551       priv->pipeline = NULL;
2552
2553       if (priv->audio_output != NULL)
2554         g_object_unref (priv->audio_output);
2555       priv->audio_output = NULL;
2556       priv->audio_output_added = FALSE;
2557
2558       if (priv->video_tee != NULL)
2559         g_object_unref (priv->video_tee);
2560       priv->video_tee = NULL;
2561
2562       if (priv->video_preview != NULL)
2563         clutter_actor_destroy (priv->video_preview);
2564       priv->video_preview = NULL;
2565
2566       /* If we destroy the preview while it's being dragged, we won't
2567        * get the ::drag-end signal, so manually destroy the clone */
2568       if (priv->drag_preview != NULL)
2569         {
2570           clutter_actor_destroy (priv->drag_preview);
2571           empathy_call_window_show_preview_rectangles (self, FALSE);
2572           priv->drag_preview = NULL;
2573         }
2574
2575       priv->funnel = NULL;
2576
2577       create_pipeline (self);
2578       /* Call will be started when user will hit the 'redial' button */
2579       priv->start_call_when_playing = FALSE;
2580       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2581
2582       return TRUE;
2583     }
2584   else
2585     {
2586       g_message ("Error: could not destroy pipeline. Closing call window");
2587       gtk_widget_destroy (GTK_WIDGET (self));
2588
2589       return FALSE;
2590     }
2591 }
2592
2593 static void
2594 reset_details_pane (EmpathyCallWindow *self)
2595 {
2596   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2597
2598   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2599   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2600   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2601   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2602 }
2603
2604 static gboolean
2605 empathy_call_window_disconnected (EmpathyCallWindow *self,
2606     gboolean restart)
2607 {
2608   gboolean could_disconnect = FALSE;
2609   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2610   gboolean could_reset_pipeline;
2611
2612   /* Leave full screen mode if needed */
2613   gtk_window_unfullscreen (GTK_WINDOW (self));
2614
2615   g_signal_emit (self, signals[SIG_INHIBIT], 0, FALSE);
2616
2617   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2618   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2619
2620   /* Create the video input and then turn on the camera
2621    * menu, so that the active camera gets marked as such.
2622    */
2623   if (priv->video_input == NULL)
2624     create_video_input (self);
2625   empathy_camera_menu_set_sensitive (priv->camera_menu, TRUE);
2626
2627   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2628
2629   if (priv->call_state == CONNECTING)
2630       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2631
2632   if (priv->call_state != REDIALING)
2633     priv->call_state = DISCONNECTED;
2634
2635   /* Show the toolbar */
2636   clutter_state_set_state (priv->transitions, "fade-in");
2637
2638   if (could_reset_pipeline)
2639     {
2640       g_mutex_lock (&priv->lock);
2641
2642       g_timer_stop (priv->timer);
2643
2644       if (priv->timer_id != 0)
2645         g_source_remove (priv->timer_id);
2646       priv->timer_id = 0;
2647
2648       g_mutex_unlock (&priv->lock);
2649
2650       if (!restart)
2651         /* We are about to destroy the window, no need to update it or create
2652          * a video preview */
2653         return TRUE;
2654
2655       empathy_call_window_status_message (self, _("Disconnected"));
2656
2657       empathy_call_window_show_hangup_button (self, FALSE);
2658
2659       /* Unsensitive the camera and mic button */
2660       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2661       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2662
2663       /* Be sure that the mic button is enabled */
2664       empathy_audio_src_set_mute (
2665           EMPATHY_GST_AUDIO_SRC (self->priv->audio_input), FALSE);
2666
2667       if (priv->camera_state == CAMERA_STATE_ON)
2668         {
2669           /* Restart the preview with the new pipeline. */
2670           display_video_preview (self, TRUE);
2671         }
2672
2673       /* destroy the video output; it will be recreated when we'll redial */
2674       disconnect_video_output_motion_handler (self);
2675       if (priv->video_output != NULL)
2676         clutter_actor_destroy (priv->video_output);
2677       priv->video_output = NULL;
2678       if (priv->got_video_src > 0)
2679         {
2680           g_source_remove (priv->got_video_src);
2681           priv->got_video_src = 0;
2682         }
2683
2684       gtk_widget_show (priv->remote_user_avatar_widget);
2685
2686       reset_details_pane (self);
2687
2688       priv->sending_video = FALSE;
2689       priv->call_started = FALSE;
2690
2691       could_disconnect = TRUE;
2692
2693       /* TODO: display the self avatar of the preview (depends if the "Always
2694        * Show Video Preview" is enabled or not) */
2695     }
2696
2697   return could_disconnect;
2698 }
2699
2700
2701 static void
2702 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2703     gpointer user_data)
2704 {
2705   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2706   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2707
2708   if (empathy_call_window_disconnected (self, TRUE) &&
2709       priv->call_state == REDIALING)
2710       empathy_call_window_restart_call (self);
2711 }
2712
2713 static gboolean
2714 empathy_call_window_content_is_raw (TfContent *content)
2715 {
2716   FsConference *conference;
2717   gboolean israw;
2718
2719   g_object_get (content, "fs-conference", &conference, NULL);
2720   g_assert (conference != NULL);
2721
2722   /* FIXME: Ugly hack, update when moving a packetization property into
2723    * farstream */
2724   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2725   gst_object_unref (conference);
2726
2727   return israw;
2728 }
2729
2730 static gboolean
2731 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2732     TfContent *content,
2733     EmpathyCallWindow *self)
2734 {
2735   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2736   FsMediaType media_type;
2737
2738   DEBUG ("removing content");
2739
2740   g_object_get (content, "media-type", &media_type, NULL);
2741
2742   /*
2743    * This assumes that there is only one video stream per channel...
2744    */
2745
2746   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2747     {
2748       if (priv->funnel != NULL)
2749         {
2750           GstElement *output;
2751
2752           output = priv->video_output_sink;
2753
2754           gst_element_set_state (output, GST_STATE_NULL);
2755           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2756
2757           gst_bin_remove (GST_BIN (priv->pipeline), output);
2758           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2759           priv->funnel = NULL;
2760         }
2761     }
2762   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2763     {
2764       if (priv->audio_output != NULL)
2765         {
2766           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2767
2768           if (priv->audio_output_added)
2769             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2770           priv->audio_output = NULL;
2771           priv->audio_output_added = FALSE;
2772         }
2773     }
2774   else
2775     {
2776       g_assert_not_reached ();
2777     }
2778
2779   return TRUE;
2780 }
2781
2782 static void
2783 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2784     guint framerate,
2785     EmpathyCallWindow *self)
2786 {
2787   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2788
2789   DEBUG ("Framerate changed to %u", framerate);
2790
2791   if (priv->video_input != NULL)
2792     empathy_video_src_set_framerate (priv->video_input, framerate);
2793 }
2794
2795 static void
2796 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2797     guint width,
2798     guint height,
2799     EmpathyCallWindow *self)
2800 {
2801   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2802
2803   DEBUG ("Resolution changed to %ux%u", width, height);
2804
2805   if (priv->video_input != NULL)
2806     {
2807       empathy_video_src_set_resolution (priv->video_input, width, height);
2808     }
2809 }
2810
2811 /* Called with global lock held */
2812 static GstPad *
2813 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2814 {
2815   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2816   GstPad *pad;
2817   GstElement *output;
2818
2819   if (priv->funnel == NULL)
2820     {
2821       output = priv->video_output_sink;
2822       priv->funnel = gst_element_factory_make ("funnel", NULL);
2823
2824       if (!priv->funnel)
2825         {
2826           g_warning ("Could not create video funnel");
2827           return NULL;
2828         }
2829
2830       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2831         {
2832           gst_object_unref (priv->funnel);
2833           priv->funnel = NULL;
2834           g_warning ("Could  not add funnel to pipeline");
2835           return NULL;
2836         }
2837
2838       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2839         {
2840           g_warning ("Could not add the video output widget to the pipeline");
2841           goto error;
2842         }
2843
2844       if (!gst_element_link (priv->funnel, output))
2845         {
2846           g_warning ("Could not link output sink to funnel");
2847           goto error_output_added;
2848         }
2849
2850       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2851         {
2852           g_warning ("Could not start video sink");
2853           goto error_output_added;
2854         }
2855
2856       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2857         {
2858           g_warning ("Could not start funnel");
2859           goto error_output_added;
2860         }
2861     }
2862   pad = gst_element_get_request_pad (priv->funnel, "sink_%u");
2863
2864   if (!pad)
2865     g_warning ("Could not get request pad from funnel");
2866
2867   return pad;
2868
2869
2870  error_output_added:
2871
2872   gst_element_set_locked_state (priv->funnel, TRUE);
2873   gst_element_set_locked_state (output, TRUE);
2874
2875   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2876   gst_element_set_state (output, GST_STATE_NULL);
2877
2878   gst_bin_remove (GST_BIN (priv->pipeline), output);
2879   gst_element_set_locked_state (output, FALSE);
2880
2881  error:
2882
2883   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2884   priv->funnel = NULL;
2885
2886   return NULL;
2887 }
2888
2889 /* Called with global lock held */
2890 static GstPad *
2891 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2892   TfContent *content)
2893 {
2894   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2895   GstPad *pad;
2896   GstPadTemplate *template;
2897
2898   if (!priv->audio_output_added)
2899     {
2900       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2901         {
2902           g_warning ("Could not add audio sink to pipeline");
2903           g_object_unref (priv->audio_output);
2904           goto error_add_output;
2905         }
2906
2907       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2908         {
2909           g_warning ("Could not start audio sink");
2910           goto error;
2911         }
2912       priv->audio_output_added = TRUE;
2913     }
2914
2915   template = gst_element_class_get_pad_template (
2916     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2917
2918   pad = gst_element_request_pad (priv->audio_output,
2919     template, NULL, NULL);
2920
2921   if (pad == NULL)
2922     {
2923       g_warning ("Could not get sink pad from sink");
2924       return NULL;
2925     }
2926
2927   return pad;
2928
2929 error:
2930   gst_element_set_locked_state (priv->audio_output, TRUE);
2931   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2932   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2933   priv->audio_output = NULL;
2934
2935 error_add_output:
2936
2937   return NULL;
2938 }
2939
2940 static gboolean
2941 empathy_call_window_update_timer (gpointer user_data)
2942 {
2943   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2944   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2945   const gchar *status;
2946   gchar *str;
2947   gdouble time_;
2948
2949   time_ = g_timer_elapsed (priv->timer, NULL);
2950
2951   if (priv->call_state == HELD)
2952     status = _("On hold");
2953   else if (priv->call_state == DISCONNECTED)
2954     status = _("Disconnected");
2955   else if (priv->muted)
2956     status = _("Mute");
2957   else
2958     status = _("Duration");
2959
2960   /* Translators: 'status - minutes:seconds' the caller has been connected */
2961   str = g_strdup_printf (_("%s — %d:%02dm"),
2962       status,
2963       (int) time_ / 60, (int) time_ % 60);
2964   empathy_call_window_status_message (self, str);
2965   g_free (str);
2966
2967   return TRUE;
2968 }
2969
2970 enum
2971 {
2972   EMP_RESPONSE_BALANCE
2973 };
2974
2975 static void
2976 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2977     gint response_id,
2978     gpointer user_data)
2979 {
2980   switch (response_id)
2981     {
2982       case GTK_RESPONSE_CLOSE:
2983         gtk_widget_destroy (GTK_WIDGET (info_bar));
2984         break;
2985       case EMP_RESPONSE_BALANCE:
2986         empathy_url_show (GTK_WIDGET (info_bar),
2987             g_object_get_data (G_OBJECT (info_bar), "uri"));
2988         break;
2989     }
2990 }
2991
2992 static void
2993 display_error (EmpathyCallWindow *self,
2994     const gchar *img,
2995     const gchar *title,
2996     const gchar *desc,
2997     const gchar *details,
2998     const gchar *button_text,
2999     const gchar *uri,
3000     gint button_response)
3001 {
3002   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3003   GtkWidget *info_bar;
3004   GtkWidget *content_area;
3005   GtkWidget *hbox;
3006   GtkWidget *vbox;
3007   GtkWidget *image;
3008   GtkWidget *label;
3009   gchar *txt;
3010
3011   /* Create info bar */
3012   info_bar = gtk_info_bar_new ();
3013
3014   if (button_text != NULL)
3015     {
3016       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3017           button_text, button_response);
3018       g_object_set_data_full (G_OBJECT (info_bar),
3019           "uri", g_strdup (uri), g_free);
3020     }
3021
3022   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3023       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
3024
3025   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
3026
3027   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3028
3029   /* hbox containing the image and the messages vbox */
3030   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
3031   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3032
3033   /* Add image */
3034   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3035   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3036
3037   /* vbox containing the main message and the details expander */
3038   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
3039   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3040
3041   /* Add text */
3042   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3043
3044   label = gtk_label_new (NULL);
3045   gtk_label_set_markup (GTK_LABEL (label), txt);
3046   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3047   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3048   g_free (txt);
3049
3050   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3051
3052   /* Add details */
3053   if (details != NULL)
3054     {
3055       GtkWidget *expander;
3056
3057       expander = gtk_expander_new (_("Technical Details"));
3058
3059       txt = g_strdup_printf ("<i>%s</i>", details);
3060
3061       label = gtk_label_new (NULL);
3062       gtk_label_set_markup (GTK_LABEL (label), txt);
3063       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3064       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3065       g_free (txt);
3066
3067       gtk_container_add (GTK_CONTAINER (expander), label);
3068       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3069     }
3070
3071   g_signal_connect (info_bar, "response",
3072       G_CALLBACK (on_error_infobar_response_cb), NULL);
3073
3074   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3075       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3076   gtk_widget_show_all (info_bar);
3077 }
3078
3079 #if 0
3080 static gchar *
3081 media_stream_error_to_txt (EmpathyCallWindow *self,
3082     TpCallChannel *call,
3083     gboolean audio,
3084     TpMediaStreamError error)
3085 {
3086   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3087   const gchar *cm = NULL;
3088   gchar *url;
3089   gchar *result;
3090
3091   switch (error)
3092     {
3093       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3094         if (audio)
3095           return g_strdup_printf (
3096               _("%s's software does not understand any of the audio formats "
3097                 "supported by your computer"),
3098             empathy_contact_get_alias (priv->contact));
3099         else
3100           return g_strdup_printf (
3101               _("%s's software does not understand any of the video formats "
3102                 "supported by your computer"),
3103             empathy_contact_get_alias (priv->contact));
3104
3105       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3106         return g_strdup_printf (
3107             _("Can't establish a connection to %s. "
3108               "One of you might be on a network that does not allow "
3109               "direct connections."),
3110           empathy_contact_get_alias (priv->contact));
3111
3112       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3113           return g_strdup (_("There was a failure on the network"));
3114
3115       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3116         if (audio)
3117           return g_strdup (_("The audio formats necessary for this call "
3118                 "are not installed on your computer"));
3119         else
3120           return g_strdup (_("The video formats necessary for this call "
3121                 "are not installed on your computer"));
3122
3123       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3124         tp_connection_parse_object_path (
3125             tp_channel_get_connection (TP_CHANNEL (call)),
3126             NULL, &cm);
3127
3128         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3129             "product=Telepathy&amp;component=%s", cm);
3130
3131         result = g_strdup_printf (
3132             _("Something unexpected happened in a Telepathy component. "
3133               "Please <a href=\"%s\">report this bug</a> and attach "
3134               "logs gathered from the 'Debug' window in the Help menu."), url);
3135
3136         g_free (url);
3137         g_free (cm);
3138         return result;
3139
3140       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3141         return g_strdup (_("There was a failure in the call engine"));
3142
3143       case TP_MEDIA_STREAM_ERROR_EOS:
3144         return g_strdup (_("The end of the stream was reached"));
3145
3146       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3147       default:
3148         return NULL;
3149     }
3150 }
3151
3152 static void
3153 empathy_call_window_stream_error (EmpathyCallWindow *self,
3154     TpCallChannel *call,
3155     gboolean audio,
3156     guint code,
3157     const gchar *msg,
3158     const gchar *icon,
3159     const gchar *title)
3160 {
3161   gchar *desc;
3162
3163   desc = media_stream_error_to_txt (self, call, audio, code);
3164   if (desc == NULL)
3165     {
3166       /* No description, use the error message. That's not great as it's not
3167        * localized but it's better than nothing. */
3168       display_error (self, call, icon, title, msg, NULL);
3169     }
3170   else
3171     {
3172       display_error (self, call, icon, title, desc, msg);
3173       g_free (desc);
3174     }
3175 }
3176
3177 static void
3178 empathy_call_window_audio_stream_error (TpCallChannel *call,
3179     guint code,
3180     const gchar *msg,
3181     EmpathyCallWindow *self)
3182 {
3183   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3184       "gnome-stock-mic", _("Can't establish audio stream"));
3185 }
3186
3187 static void
3188 empathy_call_window_video_stream_error (TpCallChannel *call,
3189     guint code,
3190     const gchar *msg,
3191     EmpathyCallWindow *self)
3192 {
3193   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3194       "camera-web", _("Can't establish video stream"));
3195 }
3196 #endif
3197
3198 static void
3199 show_balance_error (EmpathyCallWindow *self)
3200 {
3201   TpChannel *call;
3202   TpConnection *conn;
3203   gchar *balance, *tmp;
3204   const gchar *uri, *currency;
3205   gint amount;
3206   guint scale;
3207
3208   g_object_get (self->priv->handler,
3209       "call-channel", &call,
3210       NULL);
3211
3212   conn = tp_channel_get_connection (call);
3213   g_object_unref (call);
3214
3215   uri = tp_connection_get_balance_uri (conn);
3216
3217   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3218     {
3219       /* unknown balance */
3220       balance = g_strdup ("(--)");
3221     }
3222   else
3223     {
3224       char *money = empathy_format_currency (amount, scale, currency);
3225
3226       balance = g_strdup_printf ("%s %s",
3227           currency, money);
3228       g_free (money);
3229     }
3230
3231   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3232
3233   display_error (self,
3234       NULL,
3235       _("Sorry, you don’t have enough credit for that call."),
3236       tmp, NULL,
3237       _("Top Up"),
3238       uri,
3239       EMP_RESPONSE_BALANCE);
3240
3241   g_free (tmp);
3242   g_free (balance);
3243 }
3244
3245 static void
3246 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3247     TpCallState state,
3248     gchar *reason,
3249     EmpathyCallWindow *self)
3250 {
3251   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3252   TpCallChannel *call;
3253   gboolean can_send_video;
3254
3255   if (state == TP_CALL_STATE_ENDED)
3256     {
3257       DEBUG ("Call ended: %s", (reason != NULL && reason[0] != '\0') ? reason : "unspecified reason");
3258       empathy_call_window_disconnected (self, TRUE);
3259       if (!tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3260           show_balance_error (self);
3261       return;
3262     }
3263
3264   if (state != TP_CALL_STATE_ACCEPTED)
3265     return;
3266
3267   if (priv->call_state == CONNECTED)
3268     return;
3269
3270   g_timer_start (priv->timer);
3271   priv->call_state = CONNECTED;
3272
3273   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3274
3275   can_send_video = priv->video_input != NULL &&
3276     empathy_contact_can_voip_video (priv->contact) &&
3277     tpaw_camera_monitor_get_available (priv->camera_monitor);
3278
3279   g_object_get (priv->handler, "call-channel", &call, NULL);
3280
3281   if (tp_call_channel_has_dtmf (call))
3282     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3283
3284   if (priv->video_input == NULL)
3285     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3286
3287   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3288
3289   empathy_call_window_show_hangup_button (self, TRUE);
3290
3291   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3292
3293   clutter_actor_hide (priv->video_output);
3294   gtk_widget_show (priv->remote_user_avatar_widget);
3295
3296   g_object_unref (call);
3297
3298   g_mutex_lock (&priv->lock);
3299
3300   priv->timer_id = g_timeout_add_seconds (1,
3301     empathy_call_window_update_timer, self);
3302
3303   g_mutex_unlock (&priv->lock);
3304
3305   empathy_call_window_update_timer (self);
3306
3307   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3308 }
3309
3310 static gboolean
3311 empathy_call_window_show_video_output_cb (gpointer user_data)
3312 {
3313   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3314
3315   if (self->priv->video_output != NULL)
3316     {
3317       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3318       clutter_actor_show (self->priv->video_output);
3319       clutter_actor_raise_top (self->priv->overlay_bin);
3320     }
3321
3322   return FALSE;
3323 }
3324
3325 static gboolean
3326 empathy_call_window_check_video_cb (gpointer data)
3327 {
3328   EmpathyCallWindow *self = data;
3329
3330   if (self->priv->got_video)
3331     {
3332       self->priv->got_video = FALSE;
3333       return TRUE;
3334     }
3335
3336   /* No video in the last N seconds, display the remote avatar */
3337   empathy_call_window_show_video_output (self, FALSE);
3338
3339   return TRUE;
3340 }
3341
3342 /* Called from the streaming thread */
3343 static GstPadProbeReturn
3344 empathy_call_window_video_probe_cb (GstPad *pad,
3345     GstPadProbeInfo *info,
3346     gpointer user_data)
3347 {
3348     EmpathyCallWindow *self = user_data;
3349
3350   if (G_UNLIKELY (!self->priv->got_video))
3351     {
3352       /* show the remote video */
3353       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3354           empathy_call_window_show_video_output_cb,
3355           g_object_ref (self), g_object_unref);
3356
3357       self->priv->got_video = TRUE;
3358     }
3359
3360   return GST_PAD_PROBE_OK;
3361 }
3362
3363 /* Called from the streaming thread */
3364 static gboolean
3365 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3366   TfContent *content, GstPad *src, gpointer user_data)
3367 {
3368   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3369   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3370   gboolean retval = FALSE;
3371   guint media_type;
3372
3373   GstPad *pad;
3374
3375   g_mutex_lock (&priv->lock);
3376
3377   g_object_get (content, "media-type", &media_type, NULL);
3378
3379   switch (media_type)
3380     {
3381       case TP_MEDIA_STREAM_TYPE_AUDIO:
3382         pad = empathy_call_window_get_audio_sink_pad (self, content);
3383         break;
3384       case TP_MEDIA_STREAM_TYPE_VIDEO:
3385         g_idle_add (empathy_call_window_show_video_output_cb, self);
3386         pad = empathy_call_window_get_video_sink_pad (self);
3387
3388         gst_pad_add_probe (src,
3389             GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST,
3390             empathy_call_window_video_probe_cb, self, NULL);
3391
3392         if (priv->got_video_src > 0)
3393           g_source_remove (priv->got_video_src);
3394         priv->got_video_src = g_timeout_add_seconds (1,
3395             empathy_call_window_check_video_cb, self);
3396         break;
3397       default:
3398         g_assert_not_reached ();
3399     }
3400
3401   if (pad == NULL)
3402     goto out;
3403
3404   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3405       g_warning ("Could not link %s sink pad",
3406           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3407   else
3408       retval = TRUE;
3409
3410   gst_object_unref (pad);
3411
3412  out:
3413
3414   /* If no sink could be linked, try to add fakesink to prevent the whole call
3415    * aborting */
3416
3417   if (!retval)
3418     {
3419       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3420
3421       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3422         {
3423           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3424           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3425               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3426             {
3427               gst_element_set_locked_state (fakesink, TRUE);
3428               gst_element_set_state (fakesink, GST_STATE_NULL);
3429               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3430             }
3431           else
3432             {
3433               DEBUG ("Could not link real sink, linked fakesink instead");
3434             }
3435           gst_object_unref (sinkpad);
3436         }
3437       else
3438         {
3439           gst_object_unref (fakesink);
3440         }
3441     }
3442
3443
3444   g_mutex_unlock (&priv->lock);
3445
3446   return TRUE;
3447 }
3448
3449 static void
3450 empathy_call_window_prepare_audio_output (EmpathyCallWindow *self,
3451   TfContent *content)
3452 {
3453   EmpathyCallWindowPriv *priv = self->priv;
3454
3455   g_assert (priv->audio_output_added == FALSE);
3456   g_assert (priv->audio_output == FALSE);
3457
3458   priv->audio_output = empathy_audio_sink_new ();
3459   g_object_ref_sink (priv->audio_output);
3460
3461   /* volume button to output volume linking */
3462   g_object_bind_property (priv->audio_output, "volume",
3463     priv->volume_button, "value",
3464     G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
3465
3466   g_object_bind_property_full (content, "requested-output-volume",
3467     priv->audio_output, "volume",
3468     G_BINDING_DEFAULT,
3469     audio_control_volume_to_element,
3470     element_volume_to_audio_control,
3471     NULL, NULL);
3472
3473   /* Link volumes together, sync the current audio input volume property
3474     * back to farstream first */
3475   g_object_bind_property_full (priv->audio_output, "volume",
3476     content, "reported-output-volume",
3477     G_BINDING_SYNC_CREATE,
3478     element_volume_to_audio_control,
3479     audio_control_volume_to_element,
3480     NULL, NULL);
3481
3482   /* For raw audio conferences assume that the producer of the raw data
3483    * has already processed it, so turn off any echo cancellation and any
3484    * other audio improvements that come with it */
3485   empathy_audio_sink_set_echo_cancel (
3486     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3487     !empathy_call_window_content_is_raw (content));
3488 }
3489
3490
3491 static gboolean
3492 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3493   TfContent *content, gpointer user_data)
3494 {
3495   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3496   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3497   GstPad *sink, *pad;
3498   FsMediaType media_type;
3499   gboolean retval = FALSE;
3500
3501   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3502   g_assert (sink != NULL);
3503
3504   switch (media_type)
3505     {
3506       case FS_MEDIA_TYPE_AUDIO:
3507
3508         /* For raw audio conferences assume that the receiver of the raw data
3509          * wants it unprocessed, so turn off any echo cancellation and any
3510          * other audio improvements that come with it */
3511         empathy_audio_src_set_echo_cancel (
3512           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3513           !empathy_call_window_content_is_raw (content));
3514
3515         /* Link volumes together, sync the current audio input volume property
3516          * back to farstream first */
3517         g_object_bind_property_full (content, "requested-input-volume",
3518           priv->audio_input, "volume",
3519           G_BINDING_DEFAULT,
3520           audio_control_volume_to_element,
3521           element_volume_to_audio_control,
3522           NULL, NULL);
3523
3524         g_object_bind_property_full (priv->audio_input, "volume",
3525           content, "reported-input-volume",
3526           G_BINDING_SYNC_CREATE,
3527           element_volume_to_audio_control,
3528           audio_control_volume_to_element,
3529           NULL, NULL);
3530
3531         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3532           {
3533             g_warning ("Could not add audio source to pipeline");
3534             break;
3535           }
3536
3537         pad = gst_element_get_static_pad (priv->audio_input, "src");
3538         if (!pad)
3539           {
3540             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3541             g_warning ("Could not get source pad from audio source");
3542             break;
3543           }
3544
3545         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3546           {
3547             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3548             gst_object_unref (pad);
3549             g_warning ("Could not link audio source to farsight");
3550             break;
3551           }
3552         gst_object_unref (pad);
3553
3554         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3555           {
3556             g_warning ("Could not start audio source");
3557             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3558             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3559             break;
3560           }
3561
3562         /* Prepare our audio output, not added yet though */
3563         empathy_call_window_prepare_audio_output (self, content);
3564
3565         retval = TRUE;
3566         break;
3567       case FS_MEDIA_TYPE_VIDEO:
3568         if (priv->video_tee != NULL)
3569           {
3570             pad = gst_element_get_request_pad (priv->video_tee, "src_%u");
3571             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3572               {
3573                 g_warning ("Could not link video source input pipeline");
3574                 break;
3575               }
3576             gst_object_unref (pad);
3577           }
3578
3579         retval = TRUE;
3580         break;
3581       default:
3582         g_assert_not_reached ();
3583     }
3584
3585   gst_object_unref (sink);
3586   return retval;
3587 }
3588
3589 static void
3590 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3591 {
3592   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3593   GstElement *preview;
3594
3595   disable_camera (self);
3596
3597   DEBUG ("remove video input");
3598   preview = priv->video_preview_sink;
3599
3600   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3601   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3602   gst_element_set_state (preview, GST_STATE_NULL);
3603
3604   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3605     preview, NULL);
3606
3607   g_object_unref (priv->video_input);
3608   priv->video_input = NULL;
3609   g_object_unref (priv->video_tee);
3610   priv->video_tee = NULL;
3611   clutter_actor_destroy (priv->video_preview);
3612   priv->video_preview = NULL;
3613
3614   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3615   empathy_camera_menu_set_sensitive (priv->camera_menu, FALSE);
3616 }
3617
3618 static void
3619 start_call (EmpathyCallWindow *self)
3620 {
3621   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3622
3623   g_signal_emit (self, signals[SIG_INHIBIT], 0, TRUE);
3624
3625   priv->call_started = TRUE;
3626   empathy_call_handler_start_call (priv->handler,
3627       gtk_get_current_event_time ());
3628
3629   if (empathy_call_handler_has_initial_video (priv->handler))
3630     {
3631       TpCallChannel *call;
3632       TpSendingState s;
3633
3634       g_object_get (priv->handler, "call-channel", &call, NULL);
3635       /* If the call channel isn't set yet we're requesting it, if we're
3636        * requesting it with initial video it should be PENDING_SEND when we get
3637        * it */
3638       if (call == NULL)
3639         s = TP_SENDING_STATE_PENDING_SEND;
3640       else
3641         s = empathy_call_channel_get_video_state (call);
3642
3643       if (s == TP_SENDING_STATE_PENDING_SEND ||
3644           s == TP_SENDING_STATE_SENDING)
3645         {
3646           /* Enable 'send video' buttons and display the preview */
3647           gtk_toggle_button_set_active (
3648             GTK_TOGGLE_BUTTON (priv->camera_button), TRUE);
3649         }
3650       else
3651         {
3652           gtk_toggle_button_set_active (
3653             GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
3654
3655           if (priv->video_preview == NULL)
3656             {
3657               create_video_preview (self);
3658               add_video_preview_to_pipeline (self);
3659             }
3660         }
3661
3662       if (call != NULL)
3663         g_object_unref (call);
3664     }
3665 }
3666
3667 static gboolean
3668 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3669   gpointer user_data)
3670 {
3671   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3672   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3673   GstState newstate, pending;
3674
3675   empathy_call_handler_bus_message (priv->handler, bus, message);
3676
3677   switch (GST_MESSAGE_TYPE (message))
3678     {
3679       case GST_MESSAGE_STATE_CHANGED:
3680         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3681           {
3682             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3683           }
3684         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3685             !priv->call_started)
3686           {
3687             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3688             if (newstate == GST_STATE_PAUSED)
3689               {
3690                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3691                 priv->pipeline_playing = TRUE;
3692
3693                 if (priv->start_call_when_playing)
3694                   start_call (self);
3695               }
3696           }
3697         if (priv->video_preview_sink != NULL &&
3698             GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3699           {
3700             gst_message_parse_state_changed (message, NULL, &newstate,
3701                 &pending);
3702
3703             if (newstate == GST_STATE_PLAYING &&
3704                 pending == GST_STATE_VOID_PENDING)
3705               empathy_call_window_stop_camera_spinning (self);
3706           }
3707         break;
3708       case GST_MESSAGE_ERROR:
3709         {
3710           GError *error = NULL;
3711           GstElement *gst_error;
3712           gchar *debug;
3713           gchar *name;
3714
3715           gst_message_parse_error (message, &error, &debug);
3716           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3717
3718           g_message ("Element error: %s -- %s\n", error->message, debug);
3719
3720           name = gst_element_get_name (gst_error);
3721           if (g_str_has_prefix (name, VIDEO_INPUT_ERROR_PREFIX))
3722             {
3723               /* Remove the video input and continue */
3724               if (priv->video_input != NULL)
3725                 empathy_call_window_remove_video_input (self);
3726               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3727             }
3728           else
3729             {
3730               empathy_call_window_disconnected (self, TRUE);
3731             }
3732           g_free (name);
3733           g_error_free (error);
3734           g_free (debug);
3735         }
3736       case GST_MESSAGE_UNKNOWN:
3737       case GST_MESSAGE_EOS:
3738       case GST_MESSAGE_WARNING:
3739       case GST_MESSAGE_INFO:
3740       case GST_MESSAGE_TAG:
3741       case GST_MESSAGE_BUFFERING:
3742       case GST_MESSAGE_STATE_DIRTY:
3743       case GST_MESSAGE_STEP_DONE:
3744       case GST_MESSAGE_CLOCK_PROVIDE:
3745       case GST_MESSAGE_CLOCK_LOST:
3746       case GST_MESSAGE_NEW_CLOCK:
3747       case GST_MESSAGE_STRUCTURE_CHANGE:
3748       case GST_MESSAGE_STREAM_STATUS:
3749       case GST_MESSAGE_APPLICATION:
3750       case GST_MESSAGE_ELEMENT:
3751       case GST_MESSAGE_SEGMENT_START:
3752       case GST_MESSAGE_SEGMENT_DONE:
3753       case GST_MESSAGE_DURATION:
3754       case GST_MESSAGE_ANY:
3755       default:
3756         break;
3757     }
3758
3759   return TRUE;
3760 }
3761
3762 static void
3763 empathy_call_window_members_changed_cb (TpCallChannel *call,
3764     GHashTable *updates,
3765     GPtrArray *removed,
3766     TpCallStateReason *reason,
3767     EmpathyCallWindow *self)
3768 {
3769   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3770   GHashTableIter iter;
3771   gpointer key, value;
3772   gboolean held = FALSE;
3773
3774   g_hash_table_iter_init (&iter, updates);
3775   while (g_hash_table_iter_next (&iter, &key, &value))
3776     {
3777       if (GPOINTER_TO_INT (value) & TP_CALL_MEMBER_FLAG_HELD)
3778         {
3779           /* This assumes this is a 1-1 call, otherwise one participant
3780            * putting the call on hold wouldn't mean the call is on hold
3781            * for everyone. */
3782           held = TRUE;
3783           break;
3784         }
3785     }
3786
3787   if (held)
3788     priv->call_state = HELD;
3789   else if (priv->call_state == HELD)
3790     priv->call_state = CONNECTED;
3791 }
3792
3793 static void
3794 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3795     GParamSpec *spec,
3796     EmpathyCallWindow *self)
3797 {
3798   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3799   TpCallChannel *call;
3800
3801   g_object_get (priv->handler, "call-channel", &call, NULL);
3802   if (call == NULL)
3803     return;
3804
3805 /* FIXME
3806   tp_g_signal_connect_object (call, "audio-stream-error",
3807       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3808   tp_g_signal_connect_object (call, "video-stream-error",
3809       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3810 */
3811
3812   tp_g_signal_connect_object (call, "members-changed",
3813       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3814
3815   g_object_unref (call);
3816 }
3817
3818 static void
3819 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3820 {
3821   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3822   TpCallChannel *call;
3823
3824   g_signal_connect (priv->handler, "state-changed",
3825     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3826   g_signal_connect (priv->handler, "conference-added",
3827     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3828   g_signal_connect (priv->handler, "conference-removed",
3829     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3830   g_signal_connect (priv->handler, "closed",
3831     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3832   g_signal_connect (priv->handler, "src-pad-added",
3833     G_CALLBACK (empathy_call_window_src_added_cb), self);
3834   g_signal_connect (priv->handler, "content-added",
3835     G_CALLBACK (empathy_call_window_content_added_cb), self);
3836   g_signal_connect (priv->handler, "content-removed",
3837     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3838
3839   /* We connect to ::call-channel unconditionally since we'll
3840    * get new channels if we hangup and redial or if we reuse the
3841    * call window. */
3842   g_signal_connect (priv->handler, "notify::call-channel",
3843     G_CALLBACK (call_handler_notify_call_cb), self);
3844
3845   g_signal_connect (priv->handler, "framerate-changed",
3846     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3847   g_signal_connect (priv->handler, "resolution-changed",
3848     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3849
3850   g_object_get (priv->handler, "call-channel", &call, NULL);
3851   if (call != NULL)
3852     {
3853       /* We won't get notify::call-channel for this channel, so
3854        * directly call the callback. */
3855       call_handler_notify_call_cb (priv->handler, NULL, self);
3856       g_object_unref (call);
3857     }
3858 }
3859
3860 static void
3861 empathy_call_window_realized_cb (GtkWidget *widget,
3862     EmpathyCallWindow *self)
3863 {
3864   gint width;
3865
3866   /* Make the hangup button twice as wide */
3867   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3868   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3869
3870   empathy_call_window_connect_handler (self);
3871
3872   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3873 }
3874
3875 static gboolean
3876 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3877   EmpathyCallWindow *window)
3878 {
3879   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3880
3881   if (priv->pipeline != NULL)
3882     {
3883       if (priv->bus_message_source_id != 0)
3884         {
3885           g_source_remove (priv->bus_message_source_id);
3886           priv->bus_message_source_id = 0;
3887         }
3888
3889       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3890     }
3891
3892   if (priv->call_state == CONNECTING)
3893     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3894
3895   return FALSE;
3896 }
3897
3898 static void
3899 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3900 {
3901   GtkWidget *menu;
3902   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3903
3904   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3905             "/menubar1");
3906
3907   if (set_fullscreen)
3908     {
3909       gtk_widget_hide (priv->dtmf_panel);
3910       gtk_widget_hide (menu);
3911       gtk_widget_hide (priv->toolbar);
3912     }
3913   else
3914     {
3915       if (priv->dialpad_was_visible_before_fs)
3916         gtk_widget_show (priv->dtmf_panel);
3917
3918       gtk_widget_show (menu);
3919       gtk_widget_show (priv->toolbar);
3920
3921       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3922           priv->original_height_before_fs);
3923     }
3924 }
3925
3926 static void
3927 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3928 {
3929   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3930
3931   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3932       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3933
3934   if (priv->video_output != NULL)
3935     {
3936 #if 0
3937       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3938           priv->video_output, TRUE, TRUE,
3939           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3940           GTK_PACK_START);
3941 #endif
3942     }
3943 }
3944
3945 static gboolean
3946 empathy_call_window_state_event_cb (GtkWidget *widget,
3947   GdkEventWindowState *event, EmpathyCallWindow *window)
3948 {
3949   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3950     {
3951       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3952       gboolean set_fullscreen = event->new_window_state &
3953         GDK_WINDOW_STATE_FULLSCREEN;
3954
3955       if (set_fullscreen)
3956         {
3957           gboolean dialpad_was_visible;
3958           GtkAllocation allocation;
3959           gint original_width, original_height;
3960
3961           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3962           original_width = allocation.width;
3963           original_height = allocation.height;
3964
3965           g_object_get (priv->dtmf_panel,
3966               "visible", &dialpad_was_visible,
3967               NULL);
3968
3969           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3970           priv->original_width_before_fs = original_width;
3971           priv->original_height_before_fs = original_height;
3972
3973           if (priv->video_output_motion_handler_id == 0 &&
3974                 priv->video_output != NULL)
3975             {
3976               priv->video_output_motion_handler_id = g_signal_connect (
3977                   G_OBJECT (priv->video_container), "motion-notify-event",
3978                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3979                   window);
3980             }
3981         }
3982       else
3983         {
3984           disconnect_video_output_motion_handler (window);
3985         }
3986
3987       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
3988           set_fullscreen);
3989       show_controls (window, set_fullscreen);
3990       show_borders (window, set_fullscreen);
3991       gtk_action_set_stock_id (priv->menu_fullscreen,
3992           (set_fullscreen ? "view-restore" : "view-fullscreen"));
3993       priv->is_fullscreen = set_fullscreen;
3994   }
3995
3996   return FALSE;
3997 }
3998
3999 static void
4000 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
4001     gboolean active)
4002 {
4003   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4004   int w, h, dialpad_width;
4005   GtkAllocation allocation;
4006
4007   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
4008   w = allocation.width;
4009   h = allocation.height;
4010
4011   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
4012
4013   if (active)
4014     {
4015       gtk_widget_show (priv->dtmf_panel);
4016       w += dialpad_width;
4017     }
4018   else
4019     {
4020       w -= dialpad_width;
4021       gtk_widget_hide (priv->dtmf_panel);
4022     }
4023
4024   if (w > 0 && h > 0)
4025     gtk_window_resize (GTK_WINDOW (window), w, h);
4026 }
4027
4028 static void
4029 empathy_call_window_set_send_video (EmpathyCallWindow *window,
4030   CameraState state)
4031 {
4032   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4033   TpCallChannel *call;
4034
4035   priv->sending_video = (state == CAMERA_STATE_ON);
4036
4037   if (state == CAMERA_STATE_ON)
4038     {
4039       /* When we start sending video, we want to show the video preview by
4040          default. */
4041       display_video_preview (window, TRUE);
4042     }
4043   else
4044     {
4045       display_video_preview (window, FALSE);
4046     }
4047
4048   if (priv->call_state != CONNECTED)
4049     return;
4050
4051   g_object_get (priv->handler, "call-channel", &call, NULL);
4052   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
4053   empathy_call_channel_send_video (call, priv->sending_video);
4054   g_object_unref (call);
4055 }
4056
4057 static void
4058 empathy_call_window_hangup_cb (gpointer object,
4059     EmpathyCallWindow *self)
4060 {
4061   /* stopping the call will put it the ENDED state and
4062    * from state_changed_cb we'll reconfigure the window
4063    */
4064   empathy_call_handler_stop_call (self->priv->handler);
4065 }
4066
4067 static void
4068 empathy_call_window_restart_call (EmpathyCallWindow *window)
4069 {
4070   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4071
4072   /* Remove error info bars */
4073   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4074       (GtkCallback) gtk_widget_destroy, NULL);
4075
4076   create_video_output_widget (window);
4077   priv->outgoing = TRUE;
4078   empathy_call_window_set_state_connecting (window);
4079
4080   if (priv->pipeline_playing)
4081     start_call (window);
4082   else
4083     /* call will be started when the pipeline is ready */
4084     priv->start_call_when_playing = TRUE;
4085
4086   empathy_call_window_setup_avatars (window, priv->handler);
4087
4088   empathy_call_window_show_hangup_button (window, TRUE);
4089 }
4090
4091 static void
4092 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4093     EmpathyCallWindow *window)
4094 {
4095   gboolean active;
4096
4097   active = gtk_toggle_tool_button_get_active (button);
4098
4099   empathy_call_window_show_dialpad (window, active);
4100 }
4101
4102 static void
4103 empathy_call_window_fullscreen_cb (gpointer object,
4104                                    EmpathyCallWindow *window)
4105 {
4106   empathy_call_window_fullscreen_toggle (window);
4107 }
4108
4109 static void
4110 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4111 {
4112   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4113
4114   if (priv->is_fullscreen)
4115     gtk_window_unfullscreen (GTK_WINDOW (window));
4116   else
4117     gtk_window_fullscreen (GTK_WINDOW (window));
4118 }
4119
4120 static gboolean
4121 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4122   GdkEventButton *event, EmpathyCallWindow *window)
4123 {
4124   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4125     {
4126       empathy_call_window_video_menu_popup (window, event->button);
4127       return TRUE;
4128     }
4129
4130   return FALSE;
4131 }
4132
4133 static gboolean
4134 empathy_call_window_key_press_cb (GtkWidget *video_output,
4135   GdkEventKey *event, EmpathyCallWindow *window)
4136 {
4137   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4138   gchar key;
4139
4140   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4141     {
4142       /* Since we are in fullscreen mode, toggling will bring us back to
4143          normal mode. */
4144       empathy_call_window_fullscreen_toggle (window);
4145       return TRUE;
4146     }
4147
4148   key = gdk_keyval_to_unicode (event->keyval);
4149   switch (key)
4150     {
4151       case '0':
4152       case '1':
4153       case '2':
4154       case '3':
4155       case '4':
4156       case '5':
4157       case '6':
4158       case '7':
4159       case '8':
4160       case '9':
4161       case '*':
4162       case '#':
4163         break;
4164       default:
4165         return TRUE;
4166         break;
4167     }
4168
4169   gtk_toggle_tool_button_set_active (
4170       GTK_TOGGLE_TOOL_BUTTON (priv->dialpad_button), TRUE);
4171
4172   empathy_dialpad_widget_press_key (
4173       EMPATHY_DIALPAD_WIDGET (priv->dtmf_panel), key);
4174
4175   return TRUE;
4176 }
4177
4178 static gboolean
4179 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4180     GdkEventMotion *event, EmpathyCallWindow *window)
4181 {
4182   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4183
4184   if (priv->is_fullscreen)
4185     {
4186       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4187
4188       /* Show the bottom toolbar */
4189       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4190       return TRUE;
4191     }
4192   return FALSE;
4193 }
4194
4195 static void
4196 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4197   guint button)
4198 {
4199   GtkWidget *menu;
4200   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4201
4202   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4203             "/video-popup");
4204   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4205       button, gtk_get_current_event_time ());
4206   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4207 }
4208
4209 static void
4210 empathy_call_window_status_message (EmpathyCallWindow *self,
4211   gchar *message)
4212 {
4213   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4214 }
4215
4216 GtkUIManager *
4217 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4218 {
4219   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4220
4221   return priv->ui_manager;
4222 }
4223
4224 EmpathyGstAudioSrc *
4225 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4226 {
4227   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4228
4229   return (EmpathyGstAudioSrc *) priv->audio_input;
4230 }
4231
4232 EmpathyGstVideoSrc *
4233 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4234 {
4235   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4236 }
4237
4238 void
4239 empathy_call_window_change_webcam (EmpathyCallWindow *self,
4240     const gchar *device)
4241 {
4242   EmpathyGstVideoSrc *video;
4243   gboolean running;
4244
4245   /* Restart the camera only if it's already running */
4246   running = (self->priv->video_preview != NULL);
4247   video = empathy_call_window_get_video_src (self);
4248
4249   if (running)
4250     empathy_call_window_play_camera (self, FALSE);
4251
4252   empathy_video_src_change_device (video, device);
4253
4254   if (running)
4255     empathy_call_window_play_camera (self, TRUE);
4256 }