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 <clutter-gst/clutter-gst.h>
  26 #include <telepathy-farstream/telepathy-farstream.h>
  27 #include <farstream/fs-element-added-notifier.h>
  28 #include <farstream/fs-utils.h>
  29 #include <tp-account-widgets/tpaw-builder.h>
  30 #include <tp-account-widgets/tpaw-camera-monitor.h>
  31 #include <tp-account-widgets/tpaw-images.h>
  32 #include <tp-account-widgets/tpaw-pixbuf-utils.h>
  33 #include <tp-account-widgets/tpaw-utils.h>
  34 #include <telepathy-glib/telepathy-glib-dbus.h>
  35
  36 #include "empathy-about-dialog.h"
  37 #include "empathy-audio-sink.h"
  38 #include "empathy-call-utils.h"
  39 #include "empathy-call-window-fullscreen.h"
  40 #include "empathy-camera-menu.h"
  41 #include "empathy-dialpad-widget.h"
  42 #include "empathy-geometry.h"
  43 #include "empathy-gsettings.h"
  44 #include "empathy-images.h"
  45 #include "empathy-mic-menu.h"
  46 #include "empathy-preferences.h"
  47 #include "empathy-request-util.h"
  48 #include "empathy-rounded-actor.h"
  49 #include "empathy-rounded-rectangle.h"
  50 #include "empathy-rounded-effect.h"
  51 #include "empathy-sound-manager.h"
  52 #include "empathy-ui-utils.h"
  53 #include "empathy-utils.h"
  54
  55 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  56 #include "empathy-debug.h"
  57
  58 #define CONTENT_HBOX_SPACING 3
  59 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 0
  60 #define OVERLAY_MARGIN 6
  61
  62 #define REMOTE_VIDEO_DEFAULT_WIDTH 320
  63 #define REMOTE_VIDEO_DEFAULT_HEIGHT 240
  64
  65 #define SELF_VIDEO_SECTION_WIDTH 120
  66 #define SELF_VIDEO_SECTION_HEIGHT 90
  67 #define SELF_VIDEO_SECTION_MARGIN 2
  68 #define SELF_VIDEO_SECTION_BORDER SELF_VIDEO_SECTION_MARGIN*2
  69
  70 /* The avatar's default width and height are set to the same value because we
  71    want a square icon. */
  72 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT REMOTE_VIDEO_DEFAULT_HEIGHT
  73 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH REMOTE_VIDEO_DEFAULT_HEIGHT
  74
  75 #define SMALL_TOOLBAR_SIZE 36
  76
  77 /* If an video input error occurs, the error message will start with "v4l" */
  78 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  79
  80 /* The time interval in milliseconds between 2 outgoing rings */
  81 #define MS_BETWEEN_RING 500
  82
  83 /* The roundedness of preview box and placeholders */
  84 #define PREVIEW_ROUND_FACTOR 16
  85
  86 #define PREVIEW_BUTTON_OPACITY 180
  87
  88 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
  89
  90 enum {
  91   PROP_CALL_HANDLER = 1,
  92 };
  93
  94 enum {
  95   SIG_INHIBIT,
  96   LAST_SIGNAL
  97 };
  98
  99 static guint signals[LAST_SIGNAL];
 100
 101 typedef enum {
 102   RINGING,       /* Incoming call */
 103   CONNECTING,    /* Outgoing call */
 104   CONNECTED,     /* Connected */
 105   HELD,          /* Connected, but on hold */
 106   DISCONNECTED,  /* Disconnected */
 107   REDIALING      /* Redialing (special case of CONNECTING) */
 108 } CallState;
 109
 110 typedef enum {
 111   CAMERA_STATE_OFF = 0,
 112   CAMERA_STATE_ON,
 113 } CameraState;
 114
 115 typedef enum {
 116   PREVIEW_POS_NONE,
 117   PREVIEW_POS_TOP_LEFT,
 118   PREVIEW_POS_TOP_RIGHT,
 119   PREVIEW_POS_BOTTOM_LEFT,
 120   PREVIEW_POS_BOTTOM_RIGHT,
 121 } PreviewPosition;
 122
 123 struct _EmpathyCallWindowPriv
 124 {
 125   gboolean dispose_has_run;
 126   EmpathyCallHandler *handler;
 127
 128   EmpathyContact *contact;
 129
 130   TpawCameraMonitor *camera_monitor;
 131
 132   CallState call_state;
 133   gboolean outgoing;
 134
 135   GtkUIManager *ui_manager;
 136   GtkWidget *errors_vbox;
 137   /* widget displays the video received from the remote user. This widget is
 138    * alive only during call. */
 139   ClutterActor *video_output;
 140   ClutterActor *video_preview;
 141   ClutterActor *drag_preview;
 142   ClutterActor *preview_shown_button;
 143   ClutterActor *preview_hidden_button;
 144   ClutterActor *preview_rectangle1;
 145   ClutterActor *preview_rectangle2;
 146   ClutterActor *preview_rectangle3;
 147   ClutterActor *preview_rectangle4;
 148   ClutterActor *preview_spinner_actor;
 149   ClutterContent *preview_content;
 150   GtkWidget *preview_spinner_widget;
 151   GtkWidget *video_container;
 152   GtkWidget *remote_user_avatar_widget;
 153   GtkWidget *remote_user_avatar_toolbar;
 154   GtkWidget *remote_user_name_toolbar;
 155   GtkWidget *remote_user_status_toolbar;
 156   GtkWidget *status_label;
 157   GtkWidget *hangup_button;
 158   GtkWidget *audio_call_button;
 159   GtkWidget *video_call_button;
 160   GtkWidget *mic_button;
 161   GtkWidget *microphone_icon;
 162   GtkWidget *volume_button;
 163   GtkWidget *camera_button;
 164   GtkWidget *dialpad_button;
 165   GtkWidget *toolbar;
 166   GtkWidget *bottom_toolbar;
 167   ClutterActor *floating_toolbar;
 168   GtkWidget *pane;
 169   GtkAction *menu_fullscreen;
 170   GtkAction *menu_swap_camera;
 171
 172   ClutterState *transitions;
 173
 174   /* The main box covering all the stage, contaning remote avatar/video */
 175   ClutterActor *video_box;
 176   ClutterLayoutManager *video_layout;
 177
 178   /* A bin layout manager containing a bin for previews
 179    * and the floating toolbar */
 180   ClutterActor *overlay_bin;
 181   ClutterLayoutManager *overlay_layout;
 182
 183   /* Bin layout for the previews */
 184   ClutterActor *preview_box;
 185   ClutterLayoutManager *preview_layout;
 186
 187   /* Coordinates of the preview drag event's start. */
 188   PreviewPosition preview_pos;
 189
 190   /* We keep a reference on the hbox which contains the main content so we can
 191      easilly repack everything when toggling fullscreen */
 192   GtkWidget *content_hbox;
 193
 194   /* These are used to accept or reject an incoming call when the status
 195      is RINGING. */
 196   GtkWidget *incoming_call_dialog;
 197   TpCallChannel *pending_channel;
 198   TpChannelDispatchOperation *pending_cdo;
 199   TpAddDispatchOperationContext *pending_context;
 200
 201   gulong video_output_motion_handler_id;
 202   guint bus_message_source_id;
 203
 204   GtkWidget *dtmf_panel;
 205
 206   /* Details vbox */
 207   GtkWidget *details_vbox;
 208   GtkWidget *vcodec_encoding_label;
 209   GtkWidget *acodec_encoding_label;
 210   GtkWidget *vcodec_decoding_label;
 211   GtkWidget *acodec_decoding_label;
 212
 213   GtkWidget *audio_remote_candidate_label;
 214   GtkWidget *audio_local_candidate_label;
 215   GtkWidget *video_remote_candidate_label;
 216   GtkWidget *video_local_candidate_label;
 217   GtkWidget *video_remote_candidate_info_img;
 218   GtkWidget *video_local_candidate_info_img;
 219   GtkWidget *audio_remote_candidate_info_img;
 220   GtkWidget *audio_local_candidate_info_img;
 221
 222   GstElement *video_input;
 223   GstElement *video_preview_sink;
 224   GstElement *video_output_sink;
 225   GstElement *audio_input;
 226   GstElement *audio_output;
 227   gboolean audio_output_added;
 228   GstElement *pipeline;
 229   GstElement *video_tee;
 230
 231   GstElement *funnel;
 232
 233   GList *notifiers;
 234
 235   GTimer *timer;
 236   guint timer_id;
 237
 238   GMutex lock;
 239   gboolean call_started;
 240   gboolean sending_video;
 241   CameraState camera_state;
 242
 243   EmpathyCallWindowFullscreen *fullscreen;
 244   gboolean is_fullscreen;
 245
 246   gboolean got_video;
 247   guint got_video_src;
 248
 249   guint inactivity_src;
 250
 251   /* Those fields represent the state of the window before it actually was in
 252      fullscreen mode. */
 253   gboolean dialpad_was_visible_before_fs;
 254   gint original_width_before_fs;
 255   gint original_height_before_fs;
 256
 257   gint x, y, w, h, dialpad_width;
 258   gboolean maximized;
 259
 260   /* TRUE if the call should be started when the pipeline is playing */
 261   gboolean start_call_when_playing;
 262   /* TRUE if we requested to set the pipeline in the playing state */
 263   gboolean pipeline_playing;
 264
 265   EmpathySoundManager *sound_mgr;
 266
 267   GSettings *settings;
 268   EmpathyMicMenu *mic_menu;
 269   EmpathyCameraMenu *camera_menu;
 270
 271   gboolean muted;
 272 };
 273
 274 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 275
 276 static void empathy_call_window_realized_cb (GtkWidget *widget,
 277   EmpathyCallWindow *window);
 278
 279 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 280   GdkEvent *event, EmpathyCallWindow *window);
 281
 282 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 283   GdkEventWindowState *event, EmpathyCallWindow *window);
 284
 285 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 286   CameraState state);
 287
 288 static void empathy_call_window_hangup_cb (gpointer object,
 289   EmpathyCallWindow *window);
 290
 291 static void empathy_call_window_fullscreen_cb (gpointer object,
 292   EmpathyCallWindow *window);
 293
 294 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 295
 296 static gboolean empathy_call_window_video_button_press_cb (
 297   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 298
 299 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 300   GdkEventKey *event, EmpathyCallWindow *window);
 301
 302 static gboolean empathy_call_window_video_output_motion_notify (
 303   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 304
 305 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 306   guint button);
 307
 308 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 309
 310 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 311   EmpathyCallWindow *window);
 312
 313 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 314
 315 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 316   gchar *message);
 317
 318 static gboolean empathy_call_window_bus_message (GstBus *bus,
 319   GstMessage *message, gpointer user_data);
 320
 321 static gboolean empathy_call_window_update_timer (gpointer user_data);
 322
 323 static void
 324 make_background_transparent (GtkClutterActor *actor)
 325 {
 326   GdkRGBA transparent = { 0., 0., 0., 0. };
 327   GtkWidget *widget;
 328
 329   widget = gtk_clutter_actor_get_widget (actor);
 330   gtk_widget_override_background_color (widget, GTK_STATE_FLAG_NORMAL, &transparent);
 331 }
 332
 333 static void
 334 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 335     gboolean show)
 336 {
 337   gtk_widget_set_visible (self->priv->hangup_button, show);
 338   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 339   gtk_widget_set_visible (self->priv->video_call_button, !show);
 340 }
 341
 342 static void
 343 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 344     EmpathyCallWindow *self)
 345 {
 346   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 347   empathy_call_window_restart_call (self);
 348 }
 349
 350 static void
 351 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 352     EmpathyCallWindow *self)
 353 {
 354   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 355   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 356   empathy_call_window_restart_call (self);
 357 }
 358
 359 static void
 360 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 361     TpDTMFEvent event,
 362     EmpathyCallWindow *self)
 363 {
 364   TpCallChannel *call;
 365   gchar tones[2];
 366
 367   g_object_get (self->priv->handler, "call-channel", &call, NULL);
 368
 369   tones[0] = tp_dtmf_event_to_char (event);
 370   tones[1] = '\0';
 371   tp_call_channel_send_tones_async (call, tones, NULL, NULL, NULL);
 372
 373   g_object_unref (call);
 374 }
 375
 376 static void
 377 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 378     gboolean show)
 379 {
 380   if (self->priv->video_output != NULL)
 381     g_object_set (self->priv->video_output, "visible", show, NULL);
 382
 383   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 384
 385   clutter_actor_raise_top (self->priv->overlay_bin);
 386 }
 387
 388 static void
 389 create_video_output_widget (EmpathyCallWindow *self)
 390 {
 391   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 392
 393   g_assert (priv->video_output == NULL);
 394   g_assert (priv->pipeline != NULL);
 395
 396   priv->video_output_sink = GST_ELEMENT (clutter_gst_video_sink_new ());
 397   priv->video_output = g_object_new (CLUTTER_TYPE_ACTOR,
 398       "content", g_object_new (CLUTTER_GST_TYPE_ASPECTRATIO,
 399                                "sink", priv->video_output_sink,
 400                                NULL),
 401       NULL);
 402
 403   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 404       priv->video_output);
 405   clutter_actor_add_constraint (priv->video_output,
 406       clutter_bind_constraint_new (priv->video_box, CLUTTER_BIND_SIZE, 0));
 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 = clutter_actor_new ();
1077   clutter_actor_set_size (preview,
1078       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1079   clutter_actor_add_effect (preview, empathy_rounded_effect_new ());
1080
1081   priv->video_preview_sink = GST_ELEMENT (clutter_gst_video_sink_new ());
1082   g_object_add_weak_pointer (G_OBJECT (priv->video_preview_sink), (gpointer) &priv->video_preview_sink);
1083
1084   /* Add a little offset to the video preview */
1085   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1086       CLUTTER_BIN_ALIGNMENT_CENTER);
1087   priv->video_preview = clutter_box_new (layout);
1088   clutter_actor_set_size (priv->video_preview,
1089       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1090       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1091   priv->preview_content = clutter_gst_content_new_with_sink (
1092       CLUTTER_GST_VIDEO_SINK (priv->video_preview_sink));
1093   clutter_actor_set_content (preview, priv->preview_content);
1094
1095   /* Spinner for when changing the camera device */
1096   priv->preview_spinner_widget = gtk_spinner_new ();
1097   priv->preview_spinner_actor = empathy_rounded_actor_new (PREVIEW_ROUND_FACTOR);
1098
1099   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1100   make_background_transparent (GTK_CLUTTER_ACTOR (priv->preview_spinner_actor));
1101   gtk_widget_show (priv->preview_spinner_widget);
1102
1103   gtk_container_add (
1104       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1105           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1106       priv->preview_spinner_widget);
1107   clutter_actor_set_size (priv->preview_spinner_actor,
1108       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1109   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1110   clutter_actor_hide (priv->preview_spinner_actor);
1111
1112   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1113       preview);
1114   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview),
1115       priv->preview_spinner_actor);
1116
1117   g_object_set (priv->video_preview_sink,
1118       "sync", FALSE,
1119       "async", FALSE,
1120       NULL);
1121
1122   /* Preview show */
1123   priv->preview_shown_button = b = gtk_clutter_actor_new_with_contents (
1124       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1125         GTK_ICON_SIZE_MENU));
1126   clutter_actor_set_margin_right (b, 4);
1127   clutter_actor_set_margin_bottom (b, 2);
1128   clutter_actor_set_opacity (b, PREVIEW_BUTTON_OPACITY);
1129   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1130
1131   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (layout), b,
1132       CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
1133
1134   action = clutter_click_action_new ();
1135   clutter_actor_add_action (b, action);
1136   g_signal_connect (action, "clicked",
1137       G_CALLBACK (empathy_call_window_preview_button_clicked_cb), self);
1138
1139   /* Preview hidden */
1140   priv->preview_hidden_button = b = gtk_clutter_actor_new_with_contents (
1141       gtk_image_new_from_icon_name ("emblem-system-symbolic",
1142         GTK_ICON_SIZE_MENU));
1143   make_background_transparent (GTK_CLUTTER_ACTOR (b));
1144
1145   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1146       priv->preview_hidden_button,
1147       CLUTTER_BIN_ALIGNMENT_START,
1148       CLUTTER_BIN_ALIGNMENT_END);
1149
1150   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1151
1152   clutter_actor_hide (priv->preview_hidden_button);
1153
1154   action = clutter_click_action_new ();
1155   clutter_actor_add_action (b, action);
1156   g_signal_connect (action, "clicked",
1157       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb), self);
1158
1159   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->preview_layout),
1160       priv->video_preview,
1161       CLUTTER_BIN_ALIGNMENT_START,
1162       CLUTTER_BIN_ALIGNMENT_END);
1163
1164   empathy_call_window_move_video_preview (self, pos);
1165
1166   action = clutter_drag_action_new ();
1167   g_signal_connect (action, "drag-begin",
1168       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1169   g_signal_connect (action, "drag-end",
1170       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1171   g_signal_connect (action, "drag-motion",
1172       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1173
1174   g_signal_connect (preview, "enter-event",
1175       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1176   g_signal_connect (preview, "leave-event",
1177       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1178
1179   clutter_actor_add_action (preview, action);
1180   clutter_actor_set_reactive (preview, TRUE);
1181   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1182 }
1183
1184 static void
1185 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1186 {
1187   clutter_actor_show (self->priv->preview_spinner_actor);
1188   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1189 }
1190
1191 static void
1192 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1193 {
1194   clutter_actor_hide (self->priv->preview_spinner_actor);
1195   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1196 }
1197
1198 void
1199 empathy_call_window_play_camera (EmpathyCallWindow *self,
1200     gboolean play)
1201 {
1202   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1203   GstElement *preview;
1204   GstState state;
1205
1206   if (priv->video_preview == NULL)
1207     {
1208       create_video_preview (self);
1209       add_video_preview_to_pipeline (self);
1210     }
1211
1212   if (play)
1213     {
1214       state = GST_STATE_PLAYING;
1215     }
1216   else
1217     {
1218       empathy_call_window_start_camera_spinning (self);
1219       state = GST_STATE_NULL;
1220     }
1221
1222   preview = priv->video_preview_sink;
1223
1224   gst_element_set_state (preview, state);
1225   gst_element_set_state (priv->video_tee, state);
1226   gst_element_set_state (priv->video_input, state);
1227 }
1228
1229 static void
1230 display_video_preview (EmpathyCallWindow *self,
1231     gboolean display)
1232 {
1233   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1234
1235   if (priv->video_preview == NULL)
1236     {
1237       create_video_preview (self);
1238       add_video_preview_to_pipeline (self);
1239     }
1240
1241   if (display)
1242     {
1243       /* Display the video preview */
1244       DEBUG ("Show video preview");
1245
1246       empathy_call_window_play_camera (self, TRUE);
1247       clutter_actor_show (priv->video_preview);
1248       clutter_actor_raise_top (priv->floating_toolbar);
1249     }
1250   else
1251     {
1252       /* Hide the video preview */
1253       DEBUG ("Hide video preview");
1254
1255       if (priv->video_preview != NULL)
1256         {
1257           clutter_actor_hide (priv->video_preview);
1258           empathy_call_window_play_camera (self, FALSE);
1259         }
1260     }
1261 }
1262
1263 static void
1264 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1265 {
1266   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1267
1268   empathy_call_window_status_message (window, _("Connecting…"));
1269   priv->call_state = CONNECTING;
1270
1271   /* Show the toolbar */
1272   clutter_state_set_state (priv->transitions, "fade-in");
1273
1274   if (priv->outgoing)
1275     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1276         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1277 }
1278
1279 static void
1280 disable_camera (EmpathyCallWindow *self)
1281 {
1282   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1283
1284   if (priv->camera_state == CAMERA_STATE_OFF)
1285     return;
1286
1287   DEBUG ("Disable camera");
1288
1289   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1290
1291   priv->camera_state = CAMERA_STATE_OFF;
1292 }
1293
1294 static void
1295 enable_camera (EmpathyCallWindow *self)
1296 {
1297   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1298
1299   if (priv->camera_state == CAMERA_STATE_ON)
1300     return;
1301
1302   if (priv->video_input == NULL)
1303     {
1304       DEBUG ("Can't enable camera, no input");
1305       return;
1306     }
1307
1308   DEBUG ("Enable camera");
1309
1310   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1311
1312   priv->camera_state = CAMERA_STATE_ON;
1313 }
1314
1315 static void
1316 empathy_call_window_camera_toggled_cb (GtkToggleButton *toggle,
1317   EmpathyCallWindow *self)
1318 {
1319   if (gtk_toggle_button_get_active (toggle))
1320     enable_camera (self);
1321   else
1322     disable_camera (self);
1323 }
1324
1325 static void
1326 create_pipeline (EmpathyCallWindow *self)
1327 {
1328   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1329   GstBus *bus;
1330
1331   g_assert (priv->pipeline == NULL);
1332
1333   priv->pipeline = gst_pipeline_new (NULL);
1334   priv->pipeline_playing = FALSE;
1335
1336   priv->video_tee = gst_element_factory_make ("tee", NULL);
1337   gst_object_ref_sink (priv->video_tee);
1338
1339   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1340
1341   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1342   priv->bus_message_source_id = gst_bus_add_watch (bus,
1343       empathy_call_window_bus_message, self);
1344
1345   g_object_unref (bus);
1346 }
1347
1348 static void
1349 empathy_call_window_settings_cb (GtkAction *action,
1350     EmpathyCallWindow *self)
1351 {
1352   gchar *args = g_strdup_printf ("-p %s",
1353       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1354
1355   empathy_launch_program (BIN_DIR, "empathy", args);
1356
1357   g_free (args);
1358 }
1359
1360 static void
1361 empathy_call_window_contents_cb (GtkAction *action,
1362     EmpathyCallWindow *self)
1363 {
1364   empathy_url_show (GTK_WIDGET (self), "help:empathy/audio-video");
1365 }
1366
1367 static void
1368 show_png (GPid pid, gint status, gpointer user_data)
1369 {
1370   gtk_show_uri (NULL, (gchar *) user_data, GDK_CURRENT_TIME, NULL);
1371   g_spawn_close_pid (pid);
1372   g_free (user_data);
1373 }
1374
1375 static void
1376 empathy_call_window_debug_gst_cb (GtkAction *action,
1377     EmpathyCallWindow *self)
1378 {
1379   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1380   GDateTime *date_time;
1381   GPid dot_pid;
1382   const gchar *dot_dir;
1383   const gchar *prgname;
1384   gchar *dot_cmd;
1385   gchar *filename;
1386   gchar **argv;
1387   gint argc;
1388
1389   if (priv->pipeline == NULL)
1390     DEBUG ("No pipeline");
1391
1392   date_time = g_date_time_new_now_utc ();
1393   prgname = g_get_prgname ();
1394   filename = g_strdup_printf ("%s-%" G_GINT64_FORMAT, prgname,
1395       g_date_time_to_unix (date_time));
1396
1397   GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (priv->pipeline),
1398       GST_DEBUG_GRAPH_SHOW_ALL, filename);
1399
1400   dot_dir = g_getenv ("GST_DEBUG_DUMP_DOT_DIR");
1401   dot_cmd = g_strdup_printf ("dot -Tpng -o %s.png %s.dot",
1402       filename,
1403       filename);
1404   g_shell_parse_argv (dot_cmd, &argc, &argv, NULL);
1405
1406   if (g_spawn_async (dot_dir,
1407           argv,
1408           NULL,
1409           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
1410           NULL,
1411           NULL,
1412           &dot_pid,
1413           NULL))
1414     {
1415       gchar *uri = g_strdup_printf ("file://%s/%s.png", dot_dir, filename);
1416       g_child_watch_add (dot_pid, show_png, uri);
1417     }
1418
1419   g_strfreev (argv);
1420   g_free (dot_cmd);
1421   g_free (filename);
1422   g_date_time_unref (date_time);
1423 }
1424
1425 static void
1426 empathy_call_window_debug_tp_cb (GtkAction *action,
1427     EmpathyCallWindow *self)
1428 {
1429   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1430 }
1431
1432 static void
1433 empathy_call_window_about_cb (GtkAction *action,
1434     EmpathyCallWindow *self)
1435 {
1436   empathy_about_dialog_new (GTK_WINDOW (self));
1437 }
1438
1439 static gboolean
1440 empathy_call_window_toolbar_timeout (gpointer data)
1441 {
1442   EmpathyCallWindow *self = data;
1443
1444   /* We don't want to hide the toolbar if we're not in a call, as
1445    * to show the call status all the time. Also don't hide if we're muted
1446    * to prevent the awkward, talking when muted situation */
1447   if (self->priv->call_state != CONNECTING &&
1448       self->priv->call_state != DISCONNECTED &&
1449       !self->priv->muted)
1450     clutter_state_set_state (self->priv->transitions, "fade-out");
1451
1452   return TRUE;
1453 }
1454
1455 static gboolean
1456 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1457     GdkEvent *event,
1458     EmpathyCallWindow *self)
1459 {
1460   clutter_state_set_state (self->priv->transitions, "fade-in");
1461
1462   if (self->priv->inactivity_src > 0)
1463     g_source_remove (self->priv->inactivity_src);
1464
1465   self->priv->inactivity_src = g_timeout_add_seconds (3,
1466       empathy_call_window_toolbar_timeout, self);
1467
1468   return FALSE;
1469 }
1470
1471 static gboolean
1472 empathy_call_window_configure_event_cb (GtkWidget *widget,
1473     GdkEvent  *event,
1474     EmpathyCallWindow *self)
1475 {
1476   GdkWindow *gdk_window;
1477   GdkWindowState window_state;
1478
1479   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1480   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1481
1482   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1483       &self->priv->dialpad_width, NULL);
1484
1485   gdk_window = gtk_widget_get_window (widget);
1486   window_state = gdk_window_get_state (gdk_window);
1487   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1488
1489   return FALSE;
1490 }
1491
1492 static void
1493 empathy_call_window_destroyed_cb (GtkWidget *object,
1494     EmpathyCallWindow *self)
1495 {
1496   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1497     {
1498       /* Save the geometry as if the dialpad was hidden. */
1499       empathy_geometry_save_values (GTK_WINDOW (self),
1500           self->priv->x, self->priv->y,
1501           self->priv->w - self->priv->dialpad_width, self->priv->h,
1502           self->priv->maximized);
1503     }
1504 }
1505
1506 static void
1507 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1508     gint response_id,
1509     EmpathyCallWindow *self)
1510 {
1511   switch (response_id)
1512     {
1513       case GTK_RESPONSE_ACCEPT:
1514         tp_channel_dispatch_operation_handle_with_time_async (
1515             self->priv->pending_cdo, EMPATHY_CALL_TP_BUS_NAME,
1516             empathy_get_current_action_time (), NULL, NULL);
1517
1518         tp_clear_object (&self->priv->pending_cdo);
1519         tp_clear_object (&self->priv->pending_channel);
1520         tp_clear_object (&self->priv->pending_context);
1521
1522         break;
1523       case GTK_RESPONSE_CANCEL:
1524         tp_channel_dispatch_operation_close_channels_async (
1525             self->priv->pending_cdo, NULL, NULL);
1526
1527         empathy_call_window_status_message (self, _("Disconnected"));
1528         self->priv->call_state = DISCONNECTED;
1529         break;
1530       default:
1531         g_warn_if_reached ();
1532     }
1533 }
1534
1535 static void
1536 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1537 {
1538   gboolean video;
1539
1540   g_assert (self->priv->call_state != CONNECTED);
1541
1542   video = tp_call_channel_has_initial_video (self->priv->pending_channel, NULL);
1543
1544   empathy_call_window_status_message (self, _("Incoming call"));
1545   self->priv->call_state = RINGING;
1546
1547   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1548       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1549       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1550       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1551       empathy_contact_get_alias (self->priv->contact));
1552
1553   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1554       _("Reject"), GTK_RESPONSE_CANCEL,
1555       _("Answer"), GTK_RESPONSE_ACCEPT,
1556       NULL);
1557
1558   g_signal_connect (self->priv->incoming_call_dialog, "response",
1559       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1560   gtk_widget_show (self->priv->incoming_call_dialog);
1561 }
1562
1563 static void
1564 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1565     guint domain,
1566     gint code,
1567     gchar *message,
1568     EmpathyCallWindow *self)
1569 {
1570   tp_clear_object (&self->priv->pending_cdo);
1571   tp_clear_object (&self->priv->pending_channel);
1572   tp_clear_object (&self->priv->pending_context);
1573
1574   /* We don't know if the incoming call has been accepted or not, so we
1575    * assume it hasn't and if it has, we'll set the proper status when
1576    * we get the new handler. */
1577   empathy_call_window_status_message (self, _("Disconnected"));
1578   self->priv->call_state = DISCONNECTED;
1579
1580   gtk_widget_destroy (self->priv->incoming_call_dialog);
1581   self->priv->incoming_call_dialog = NULL;
1582 }
1583
1584 void
1585 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1586     TpCallChannel *channel,
1587     TpChannelDispatchOperation *dispatch_operation,
1588     TpAddDispatchOperationContext *context)
1589 {
1590   g_assert (self->priv->pending_channel == NULL);
1591   g_assert (self->priv->pending_context == NULL);
1592   g_assert (self->priv->pending_cdo == NULL);
1593
1594   /* Start ringing and delay until the user answers or hangs. */
1595   self->priv->pending_channel = g_object_ref (channel);
1596   self->priv->pending_context = g_object_ref (context);
1597   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1598
1599   g_signal_connect (self->priv->pending_cdo, "invalidated",
1600       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1601
1602   empathy_call_window_set_state_ringing (self);
1603   tp_add_dispatch_operation_context_accept (context);
1604 }
1605
1606 static void
1607 mic_button_clicked (GtkWidget *button,
1608     EmpathyCallWindow *self)
1609 {
1610   /* Toggle the muted state. We rely on audio_input_mute_notify_cb to update
1611    * the icon. */
1612   empathy_audio_src_set_mute (EMPATHY_GST_AUDIO_SRC (self->priv->audio_input),
1613       !self->priv->muted);
1614 }
1615
1616 static void
1617 empathy_call_window_init (EmpathyCallWindow *self)
1618 {
1619   EmpathyCallWindowPriv *priv;
1620   GtkBuilder *gui;
1621   GtkWidget *top_vbox;
1622   gchar *filename;
1623   ClutterConstraint *constraint;
1624   ClutterActor *remote_avatar;
1625   ClutterColor black = { 0, 0, 0, 0 };
1626   ClutterMargin overlay_margin = { OVERLAY_MARGIN, OVERLAY_MARGIN,
1627     OVERLAY_MARGIN, OVERLAY_MARGIN };
1628
1629   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1630     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1631
1632   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1633   priv->timer = g_timer_new ();
1634
1635   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1636   gui = tpaw_builder_get_file (filename,
1637     "call_window_vbox", &top_vbox,
1638     "errors_vbox", &priv->errors_vbox,
1639     "pane", &priv->pane,
1640     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1641     "remote_user_status_toolbar", &priv->remote_user_status_toolbar,
1642     "remote_user_avatar_toolbar", &priv->remote_user_avatar_toolbar,
1643     "status_label", &priv->status_label,
1644     "audiocall", &priv->audio_call_button,
1645     "videocall", &priv->video_call_button,
1646     "microphone", &priv->mic_button,
1647     "microphone_icon", &priv->microphone_icon,
1648     "volume", &priv->volume_button,
1649     "camera", &priv->camera_button,
1650     "hangup", &priv->hangup_button,
1651     "dialpad", &priv->dialpad_button,
1652     "toolbar", &priv->toolbar,
1653     "bottom_toolbar", &priv->bottom_toolbar,
1654     "ui_manager", &priv->ui_manager,
1655     "menufullscreen", &priv->menu_fullscreen,
1656     "menupreviewswap", &priv->menu_swap_camera,
1657     "details_vbox",  &priv->details_vbox,
1658     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1659     "acodec_encoding_label", &priv->acodec_encoding_label,
1660     "acodec_decoding_label", &priv->acodec_decoding_label,
1661     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1662     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1663     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1664     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1665     "video_local_candidate_label", &priv->video_local_candidate_label,
1666     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1667     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1668     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1669     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1670     NULL);
1671   g_free (filename);
1672
1673   tpaw_builder_connect (gui, self,
1674     "hangup", "clicked", empathy_call_window_hangup_cb,
1675     "audiocall", "clicked", empathy_call_window_audio_call_cb,
1676     "videocall", "clicked", empathy_call_window_video_call_cb,
1677     "camera", "toggled", empathy_call_window_camera_toggled_cb,
1678     "dialpad", "toggled", empathy_call_window_dialpad_cb,
1679     "menufullscreen", "activate", empathy_call_window_fullscreen_cb,
1680     "menusettings", "activate", empathy_call_window_settings_cb,
1681     "menucontents", "activate", empathy_call_window_contents_cb,
1682     "menudebuggst", "activate", empathy_call_window_debug_gst_cb,
1683     "menudebugtp", "activate", empathy_call_window_debug_tp_cb,
1684     "menuabout", "activate", empathy_call_window_about_cb,
1685     "menupreviewdisable", "activate", empathy_call_window_disable_camera_cb,
1686     "menupreviewminimise", "activate", empathy_call_window_minimise_camera_cb,
1687     "menupreviewmaximise", "activate", empathy_call_window_maximise_camera_cb,
1688     "menupreviewswap", "activate", empathy_call_window_swap_camera_cb,
1689     NULL);
1690
1691   empathy_set_css_provider (GTK_WIDGET (self));
1692   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1693
1694   priv->camera_monitor = tpaw_camera_monitor_dup_singleton ();
1695   empathy_call_window_update_swap_camera (self);
1696
1697   g_object_bind_property (priv->camera_monitor, "available",
1698       priv->camera_button, "sensitive",
1699       G_BINDING_SYNC_CREATE);
1700
1701   g_signal_connect (priv->camera_monitor, "added",
1702       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1703   g_signal_connect (priv->camera_monitor, "removed",
1704       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1705
1706   g_signal_connect (priv->mic_button, "clicked",
1707       G_CALLBACK (mic_button_clicked), self);
1708
1709   g_mutex_init (&priv->lock);
1710
1711   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1712
1713   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1714       CONTENT_HBOX_SPACING);
1715   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1716       TRUE, TRUE, 0);
1717
1718   /* main contents remote avatar/video box */
1719   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_FILL,
1720       CLUTTER_BIN_ALIGNMENT_FILL);
1721
1722   priv->video_box = clutter_box_new (priv->video_layout);
1723
1724   priv->video_container = gtk_clutter_embed_new ();
1725
1726   gtk_widget_set_size_request (priv->video_container,
1727       REMOTE_VIDEO_DEFAULT_WIDTH, REMOTE_VIDEO_DEFAULT_HEIGHT);
1728
1729   /* Set the background black */
1730   clutter_stage_set_color (
1731       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1732           GTK_CLUTTER_EMBED (priv->video_container))),
1733       &black);
1734
1735   clutter_container_add (
1736       CLUTTER_CONTAINER (gtk_clutter_embed_get_stage (
1737           GTK_CLUTTER_EMBED (priv->video_container))),
1738       priv->video_box,
1739       NULL);
1740
1741   constraint = clutter_bind_constraint_new (
1742       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1743       CLUTTER_BIND_SIZE, 0);
1744   clutter_actor_add_constraint (priv->video_box, constraint);
1745
1746   priv->remote_user_avatar_widget = gtk_image_new ();
1747   remote_avatar = gtk_clutter_actor_new_with_contents (
1748       priv->remote_user_avatar_widget);
1749   make_background_transparent (GTK_CLUTTER_ACTOR (remote_avatar));
1750
1751   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1752       remote_avatar);
1753
1754   /* create the overlay bin */
1755   priv->overlay_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1756     CLUTTER_BIN_ALIGNMENT_CENTER);
1757   priv->overlay_bin = clutter_actor_new ();
1758   clutter_actor_set_layout_manager (priv->overlay_bin, priv->overlay_layout);
1759
1760   clutter_actor_set_margin (priv->overlay_bin, &overlay_margin);
1761
1762   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1763       priv->overlay_bin,
1764       CLUTTER_BIN_ALIGNMENT_FILL, CLUTTER_BIN_ALIGNMENT_FILL);
1765
1766   empathy_call_window_create_preview_rectangles (self);
1767
1768   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1769       priv->video_container, TRUE, TRUE,
1770       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1771
1772   create_pipeline (self);
1773   create_video_output_widget (self);
1774   create_audio_input (self);
1775   create_video_input (self);
1776
1777   priv->floating_toolbar = gtk_clutter_actor_new ();
1778   clutter_actor_set_reactive (priv->floating_toolbar, TRUE);
1779   make_background_transparent (GTK_CLUTTER_ACTOR (priv->floating_toolbar));
1780
1781   gtk_style_context_add_class (
1782       gtk_widget_get_style_context (GTK_WIDGET (priv->bottom_toolbar)),
1783       GTK_STYLE_CLASS_OSD);
1784   gtk_widget_reparent (priv->bottom_toolbar,
1785       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1786
1787   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->overlay_layout),
1788       priv->floating_toolbar,
1789       CLUTTER_BIN_ALIGNMENT_CENTER, CLUTTER_BIN_ALIGNMENT_END);
1790
1791   clutter_actor_raise_top (priv->floating_toolbar);
1792
1793   /* Transitions for the floating toolbar */
1794   priv->transitions = clutter_state_new ();
1795
1796   /* all transitions last for 2s */
1797   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1798
1799   /* transition from any state to "fade-out" state */
1800   clutter_state_set (priv->transitions, NULL, "fade-out",
1801       priv->floating_toolbar,
1802       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1803       NULL);
1804
1805   /* transition from any state to "fade-in" state */
1806   clutter_state_set (priv->transitions, NULL, "fade-in",
1807       priv->floating_toolbar,
1808       "opacity", CLUTTER_EASE_OUT_QUAD, 255,
1809       NULL);
1810
1811   /* put the actor into the "fade-in" state with no animation */
1812   clutter_state_warp_to_state (priv->transitions, "fade-in");
1813
1814   /* The call will be started as soon the pipeline is playing */
1815   priv->start_call_when_playing = TRUE;
1816
1817   priv->dtmf_panel = empathy_dialpad_widget_new ();
1818   g_signal_connect (priv->dtmf_panel, "start-tone",
1819       G_CALLBACK (dtmf_start_tone_cb), self);
1820
1821   gtk_box_pack_start (GTK_BOX (priv->pane), priv->dtmf_panel,
1822       FALSE, FALSE, 6);
1823
1824   gtk_box_pack_start (GTK_BOX (priv->pane), priv->details_vbox,
1825       FALSE, FALSE, 0);
1826
1827   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1828
1829   gtk_widget_show_all (top_vbox);
1830
1831   gtk_widget_hide (priv->dtmf_panel);
1832   gtk_widget_hide (priv->details_vbox);
1833
1834   priv->fullscreen = empathy_call_window_fullscreen_new (self);
1835
1836   empathy_call_window_fullscreen_set_video_widget (priv->fullscreen,
1837       priv->video_container);
1838
1839   /* We hide the bottom toolbar after 3s of inactivity and show it
1840    * again on mouse movement */
1841   priv->inactivity_src = g_timeout_add_seconds (3,
1842       empathy_call_window_toolbar_timeout, self);
1843
1844   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1845       "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self);
1846
1847   g_signal_connect (G_OBJECT (self), "realize",
1848     G_CALLBACK (empathy_call_window_realized_cb), self);
1849
1850   g_signal_connect (G_OBJECT (self), "delete-event",
1851     G_CALLBACK (empathy_call_window_delete_cb), self);
1852
1853   g_signal_connect (G_OBJECT (self), "window-state-event",
1854     G_CALLBACK (empathy_call_window_state_event_cb), self);
1855
1856   g_signal_connect (G_OBJECT (self), "key-press-event",
1857       G_CALLBACK (empathy_call_window_key_press_cb), self);
1858
1859   g_signal_connect (self, "motion-notify-event",
1860       G_CALLBACK (empathy_call_window_motion_notify_cb), self);
1861
1862   g_object_ref (priv->ui_manager);
1863   g_object_unref (gui);
1864
1865   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1866   priv->mic_menu = empathy_mic_menu_new (self);
1867   priv->camera_menu = empathy_camera_menu_new (self);
1868
1869   empathy_call_window_show_hangup_button (self, TRUE);
1870
1871   gtk_window_set_default_size (GTK_WINDOW (self), 580, 480);
1872
1873   empathy_geometry_bind (GTK_WINDOW (self), "call-window");
1874   /* These signals are used to track the window position and save it
1875    * when the window is destroyed. We need to do this as we don't want
1876    * the window geometry to be saved with the dialpad taken into account. */
1877   g_signal_connect (self, "destroy",
1878       G_CALLBACK (empathy_call_window_destroyed_cb), self);
1879   g_signal_connect (self, "configure-event",
1880       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1881   g_signal_connect (self, "window-state-event",
1882       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1883
1884   /* Don't display labels in both toolbars */
1885   gtk_toolbar_set_style (GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
1886 }
1887
1888 /* Instead of specifying a width and a height, we specify only one size. That's
1889    because we want a square avatar icon.  */
1890 static void
1891 init_contact_avatar_with_size (EmpathyContact *contact,
1892     GtkWidget *image_widget,
1893     gint size)
1894 {
1895   GdkPixbuf *pixbuf_avatar = NULL;
1896
1897   if (contact != NULL)
1898     {
1899       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1900         size, size);
1901     }
1902
1903   if (pixbuf_avatar == NULL)
1904     {
1905       pixbuf_avatar = tpaw_pixbuf_from_icon_name_sized (
1906           TPAW_IMAGE_AVATAR_DEFAULT, size);
1907     }
1908
1909   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1910
1911   if (pixbuf_avatar != NULL)
1912     g_object_unref (pixbuf_avatar);
1913 }
1914
1915 static void
1916 set_window_title (EmpathyCallWindow *self)
1917 {
1918   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1919   gchar *tmp;
1920
1921   if (priv->contact != NULL)
1922     {
1923       /* translators: Call is a noun and %s is the contact name. This string
1924        * is used in the window title */
1925       tmp = g_strdup_printf (_("Call with %s"),
1926           empathy_contact_get_alias (priv->contact));
1927       gtk_window_set_title (GTK_WINDOW (self), tmp);
1928       g_free (tmp);
1929     }
1930   else
1931     {
1932       g_warning ("Unknown remote contact!");
1933     }
1934 }
1935
1936 static void
1937 set_remote_user_name (EmpathyCallWindow *self,
1938   EmpathyContact *contact)
1939 {
1940   const gchar *alias = empathy_contact_get_alias (contact);
1941   const gchar *status = empathy_contact_get_status (contact);
1942
1943   gtk_label_set_text (GTK_LABEL (self->priv->remote_user_name_toolbar), alias);
1944
1945   if (status != NULL) {
1946     gchar *markup;
1947
1948     markup = g_markup_printf_escaped ("<small>%s</small>", status);
1949     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1950       markup);
1951     g_free (markup);
1952   } else {
1953     gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_status_toolbar),
1954       "");
1955   }
1956 }
1957
1958 static void
1959 contact_name_changed_cb (EmpathyContact *contact,
1960     GParamSpec *pspec,
1961     EmpathyCallWindow *self)
1962 {
1963   set_window_title (self);
1964   set_remote_user_name (self, contact);
1965 }
1966
1967 static void
1968 contact_presence_changed_cb (EmpathyContact *contact,
1969     GParamSpec *pspec,
1970     EmpathyCallWindow *self)
1971 {
1972   set_remote_user_name (self, contact);
1973 }
1974
1975 static void
1976 contact_avatar_changed_cb (EmpathyContact *contact,
1977     GParamSpec *pspec,
1978     EmpathyCallWindow *self)
1979 {
1980   int size;
1981   GtkAllocation allocation;
1982   GtkWidget *avatar_widget;
1983
1984   avatar_widget = self->priv->remote_user_avatar_widget;
1985
1986   gtk_widget_get_allocation (avatar_widget, &allocation);
1987   size = allocation.height;
1988
1989   if (size == 0)
1990     {
1991       /* the widget is not allocated yet, set a default size */
1992       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1993           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1994     }
1995
1996   init_contact_avatar_with_size (contact, avatar_widget, size);
1997
1998   avatar_widget = self->priv->remote_user_avatar_toolbar;
1999
2000   gtk_widget_get_allocation (avatar_widget, &allocation);
2001   size = allocation.height;
2002
2003   if (size == 0)
2004     {
2005       /* the widget is not allocated yet, set a default size */
2006       size = SMALL_TOOLBAR_SIZE;
2007     }
2008
2009   init_contact_avatar_with_size (contact, avatar_widget, size);
2010 }
2011
2012 static void
2013 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2014     EmpathyCallHandler *handler)
2015 {
2016   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2017
2018   tp_g_signal_connect_object (priv->contact, "notify::name",
2019       G_CALLBACK (contact_name_changed_cb), self, 0);
2020   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2021     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2022   tp_g_signal_connect_object (priv->contact, "notify::presence",
2023       G_CALLBACK (contact_presence_changed_cb), self, 0);
2024
2025   set_window_title (self);
2026   set_remote_user_name (self, priv->contact);
2027
2028   init_contact_avatar_with_size (priv->contact,
2029       priv->remote_user_avatar_widget,
2030       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2031           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2032
2033   init_contact_avatar_with_size (priv->contact,
2034       priv->remote_user_avatar_toolbar,
2035       SMALL_TOOLBAR_SIZE);
2036
2037   /* The remote avatar is shown by default and will be hidden when we receive
2038      video from the remote side. */
2039   clutter_actor_hide (priv->video_output);
2040   gtk_widget_show (priv->remote_user_avatar_widget);
2041 }
2042
2043 static void
2044 update_send_codec (EmpathyCallWindow *self,
2045     gboolean audio)
2046 {
2047   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2048   FsCodec *codec;
2049   GtkWidget *widget;
2050   gchar *tmp;
2051
2052   if (audio)
2053     {
2054       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2055       widget = priv->acodec_encoding_label;
2056     }
2057   else
2058     {
2059       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2060       widget = priv->vcodec_encoding_label;
2061     }
2062
2063   if (codec == NULL)
2064     return;
2065
2066   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2067   gtk_label_set_text (GTK_LABEL (widget), tmp);
2068   g_free (tmp);
2069 }
2070
2071 static void
2072 send_audio_codec_notify_cb (GObject *object,
2073     GParamSpec *pspec,
2074     gpointer user_data)
2075 {
2076   EmpathyCallWindow *self = user_data;
2077
2078   update_send_codec (self, TRUE);
2079 }
2080
2081 static void
2082 send_video_codec_notify_cb (GObject *object,
2083     GParamSpec *pspec,
2084     gpointer user_data)
2085 {
2086   EmpathyCallWindow *self = user_data;
2087
2088   update_send_codec (self, FALSE);
2089 }
2090
2091 static void
2092 update_recv_codec (EmpathyCallWindow *self,
2093     gboolean audio)
2094 {
2095   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2096   GList *codecs, *l;
2097   GtkWidget *widget;
2098   GString *str = NULL;
2099
2100   if (audio)
2101     {
2102       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2103       widget = priv->acodec_decoding_label;
2104     }
2105   else
2106     {
2107       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2108       widget = priv->vcodec_decoding_label;
2109     }
2110
2111   if (codecs == NULL)
2112     return;
2113
2114   for (l = codecs; l != NULL; l = g_list_next (l))
2115     {
2116       FsCodec *codec = l->data;
2117
2118       if (str == NULL)
2119         str = g_string_new (NULL);
2120       else
2121         g_string_append (str, ", ");
2122
2123       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2124           codec->clock_rate);
2125     }
2126
2127   gtk_label_set_text (GTK_LABEL (widget), str->str);
2128   g_string_free (str, TRUE);
2129 }
2130
2131 static void
2132 recv_audio_codecs_notify_cb (GObject *object,
2133     GParamSpec *pspec,
2134     gpointer user_data)
2135 {
2136   EmpathyCallWindow *self = user_data;
2137
2138   update_recv_codec (self, TRUE);
2139 }
2140
2141 static void
2142 recv_video_codecs_notify_cb (GObject *object,
2143     GParamSpec *pspec,
2144     gpointer user_data)
2145 {
2146   EmpathyCallWindow *self = user_data;
2147
2148   update_recv_codec (self, FALSE);
2149 }
2150
2151 static const gchar *
2152 candidate_type_to_str (FsCandidate *candidate)
2153 {
2154   switch (candidate->type)
2155     {
2156       case FS_CANDIDATE_TYPE_HOST:
2157         return "host";
2158       case FS_CANDIDATE_TYPE_SRFLX:
2159         return "server reflexive";
2160       case FS_CANDIDATE_TYPE_PRFLX:
2161         return "peer reflexive";
2162       case FS_CANDIDATE_TYPE_RELAY:
2163         return "relay";
2164       case FS_CANDIDATE_TYPE_MULTICAST:
2165         return "multicast";
2166     }
2167
2168   return NULL;
2169 }
2170
2171 static const gchar *
2172 candidate_type_to_desc (FsCandidate *candidate)
2173 {
2174   switch (candidate->type)
2175     {
2176       case FS_CANDIDATE_TYPE_HOST:
2177         return _("The IP address as seen by the machine");
2178       case FS_CANDIDATE_TYPE_SRFLX:
2179         return _("The IP address as seen by a server on the Internet");
2180       case FS_CANDIDATE_TYPE_PRFLX:
2181         return _("The IP address of the peer as seen by the other side");
2182       case FS_CANDIDATE_TYPE_RELAY:
2183         return _("The IP address of a relay server");
2184       case FS_CANDIDATE_TYPE_MULTICAST:
2185         return _("The IP address of the multicast group");
2186     }
2187
2188   return NULL;
2189 }
2190
2191 static void
2192 update_candidat_widget (EmpathyCallWindow *self,
2193     GtkWidget *label,
2194     GtkWidget *img,
2195     FsCandidate *candidate)
2196 {
2197   gchar *str;
2198
2199   g_assert (candidate != NULL);
2200   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2201       candidate->port, candidate_type_to_str (candidate));
2202
2203   gtk_label_set_text (GTK_LABEL (label), str);
2204   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2205
2206   g_free (str);
2207 }
2208
2209 static void
2210 candidates_changed_cb (GObject *object,
2211     FsMediaType type,
2212     EmpathyCallWindow *self)
2213 {
2214   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2215   FsCandidate *candidate = NULL;
2216
2217   if (type == FS_MEDIA_TYPE_VIDEO)
2218     {
2219       /* Update remote candidate */
2220       candidate = empathy_call_handler_get_video_remote_candidate (
2221           priv->handler);
2222
2223       update_candidat_widget (self, priv->video_remote_candidate_label,
2224           priv->video_remote_candidate_info_img, candidate);
2225
2226       /* Update local candidate */
2227       candidate = empathy_call_handler_get_video_local_candidate (
2228           priv->handler);
2229
2230       update_candidat_widget (self, priv->video_local_candidate_label,
2231           priv->video_local_candidate_info_img, candidate);
2232     }
2233   else
2234     {
2235       /* Update remote candidate */
2236       candidate = empathy_call_handler_get_audio_remote_candidate (
2237           priv->handler);
2238
2239       update_candidat_widget (self, priv->audio_remote_candidate_label,
2240           priv->audio_remote_candidate_info_img, candidate);
2241
2242       /* Update local candidate */
2243       candidate = empathy_call_handler_get_audio_local_candidate (
2244           priv->handler);
2245
2246       update_candidat_widget (self, priv->audio_local_candidate_label,
2247           priv->audio_local_candidate_info_img, candidate);
2248     }
2249 }
2250
2251 static void
2252 empathy_call_window_constructed (GObject *object)
2253 {
2254   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2255   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2256   TpCallChannel *call;
2257   TpCallState state;
2258
2259   g_assert (priv->handler != NULL);
2260
2261   g_object_get (priv->handler, "call-channel", &call, NULL);
2262   state = tp_call_channel_get_state (call, NULL, NULL, NULL);
2263   priv->outgoing = (state == TP_CALL_STATE_PENDING_INITIATOR);
2264   tp_clear_object (&call);
2265
2266   priv->contact = empathy_call_handler_get_contact (priv->handler);
2267   g_assert (priv->contact != NULL);
2268   g_object_ref (priv->contact);
2269
2270   if (!empathy_contact_can_voip_video (priv->contact))
2271     {
2272       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2273       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2274     }
2275
2276   empathy_call_window_setup_avatars (self, priv->handler);
2277   empathy_call_window_set_state_connecting (self);
2278
2279   if (!empathy_call_handler_has_initial_video (priv->handler))
2280     {
2281       gtk_toggle_button_set_active (
2282           GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
2283     }
2284   /* If call has InitialVideo, the preview will be started once the call has
2285    * been started (start_call()). */
2286
2287   update_send_codec (self, TRUE);
2288   update_send_codec (self, FALSE);
2289   update_recv_codec (self, TRUE);
2290   update_recv_codec (self, FALSE);
2291
2292   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2293       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2294   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2295       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2296   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2297       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2298   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2299       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2300
2301   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2302       G_CALLBACK (candidates_changed_cb), self, 0);
2303 }
2304
2305 static void empathy_call_window_dispose (GObject *object);
2306 static void empathy_call_window_finalize (GObject *object);
2307
2308 static void
2309 empathy_call_window_set_property (GObject *object,
2310   guint property_id, const GValue *value, GParamSpec *pspec)
2311 {
2312   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2313
2314   switch (property_id)
2315     {
2316       case PROP_CALL_HANDLER:
2317         priv->handler = g_value_dup_object (value);
2318         break;
2319       default:
2320         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2321     }
2322 }
2323
2324 static void
2325 empathy_call_window_get_property (GObject *object,
2326   guint property_id, GValue *value, GParamSpec *pspec)
2327 {
2328   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2329
2330   switch (property_id)
2331     {
2332       case PROP_CALL_HANDLER:
2333         g_value_set_object (value, priv->handler);
2334         break;
2335       default:
2336         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2337     }
2338 }
2339
2340 static void
2341 empathy_call_window_class_init (
2342   EmpathyCallWindowClass *empathy_call_window_class)
2343 {
2344   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2345   GParamSpec *param_spec;
2346
2347   g_type_class_add_private (empathy_call_window_class,
2348     sizeof (EmpathyCallWindowPriv));
2349
2350   object_class->constructed = empathy_call_window_constructed;
2351   object_class->set_property = empathy_call_window_set_property;
2352   object_class->get_property = empathy_call_window_get_property;
2353
2354   object_class->dispose = empathy_call_window_dispose;
2355   object_class->finalize = empathy_call_window_finalize;
2356
2357   param_spec = g_param_spec_object ("handler",
2358     "handler", "The call handler",
2359     EMPATHY_TYPE_CALL_HANDLER,
2360     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2361   g_object_class_install_property (object_class,
2362     PROP_CALL_HANDLER, param_spec);
2363
2364   signals[SIG_INHIBIT] = g_signal_new ("inhibit",
2365       G_OBJECT_CLASS_TYPE (empathy_call_window_class),
2366       G_SIGNAL_RUN_LAST,
2367       0, NULL, NULL, NULL,
2368       G_TYPE_NONE,
2369       1, G_TYPE_BOOLEAN);
2370 }
2371
2372 void
2373 empathy_call_window_dispose (GObject *object)
2374 {
2375   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2376   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2377
2378   if (priv->dispose_has_run)
2379     return;
2380
2381   priv->dispose_has_run = TRUE;
2382
2383   if (priv->handler != NULL)
2384     {
2385       empathy_call_handler_stop_call (priv->handler);
2386       tp_clear_object (&priv->handler);
2387     }
2388
2389   if (priv->bus_message_source_id != 0)
2390     {
2391       g_source_remove (priv->bus_message_source_id);
2392       priv->bus_message_source_id = 0;
2393     }
2394
2395   if (priv->got_video_src > 0)
2396     {
2397       g_source_remove (priv->got_video_src);
2398       priv->got_video_src = 0;
2399     }
2400
2401   if (priv->inactivity_src > 0)
2402     {
2403       g_source_remove (priv->inactivity_src);
2404       priv->inactivity_src = 0;
2405     }
2406
2407   tp_clear_object (&priv->pipeline);
2408   tp_clear_object (&priv->video_input);
2409   tp_clear_object (&priv->audio_input);
2410   tp_clear_object (&priv->video_tee);
2411   tp_clear_object (&priv->ui_manager);
2412   tp_clear_object (&priv->fullscreen);
2413   tp_clear_object (&priv->camera_monitor);
2414   tp_clear_object (&priv->settings);
2415   tp_clear_object (&priv->sound_mgr);
2416   tp_clear_object (&priv->mic_menu);
2417   tp_clear_object (&priv->camera_menu);
2418   tp_clear_object (&priv->transitions);
2419
2420   g_list_free_full (priv->notifiers, g_object_unref);
2421
2422   if (priv->timer_id != 0)
2423     g_source_remove (priv->timer_id);
2424   priv->timer_id = 0;
2425
2426   tp_clear_object (&priv->contact);
2427
2428   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2429 }
2430
2431 static void
2432 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2433 {
2434   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2435
2436   if (priv->video_output_motion_handler_id != 0)
2437     {
2438       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2439           priv->video_output_motion_handler_id);
2440       priv->video_output_motion_handler_id = 0;
2441     }
2442 }
2443
2444 void
2445 empathy_call_window_finalize (GObject *object)
2446 {
2447   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2448   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2449
2450   disconnect_video_output_motion_handler (self);
2451
2452   /* free any data held directly by the object here */
2453   g_mutex_clear (&priv->lock);
2454
2455   g_timer_destroy (priv->timer);
2456
2457   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2458 }
2459
2460
2461 EmpathyCallWindow *
2462 empathy_call_window_new (EmpathyCallHandler *handler)
2463 {
2464   return EMPATHY_CALL_WINDOW (
2465     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2466 }
2467
2468 void
2469 empathy_call_window_new_handler (EmpathyCallWindow *self,
2470     EmpathyCallHandler *handler,
2471     gboolean present,
2472     guint32 x11_time)
2473 {
2474   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2475
2476   if (present)
2477     tpaw_window_present_with_time (GTK_WINDOW (self), x11_time);
2478
2479   if (self->priv->call_state == DISCONNECTED)
2480     {
2481       /* start a new call if one is not already in progress */
2482       tp_clear_object (&self->priv->handler);
2483       self->priv->handler = g_object_ref (handler);
2484       empathy_call_window_connect_handler (self);
2485
2486       empathy_call_window_restart_call (self);
2487     }
2488 }
2489
2490 static void
2491 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2492   GstElement *conference, gpointer user_data)
2493 {
2494   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2495   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2496   FsElementAddedNotifier *notifier;
2497   GKeyFile *keyfile;
2498
2499   DEBUG ("Conference added");
2500
2501   /* Add notifier to set the various element properties as needed */
2502   notifier = fs_element_added_notifier_new ();
2503   keyfile = fs_utils_get_default_element_properties (conference);
2504
2505   if (keyfile != NULL)
2506     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2507
2508   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2509
2510   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2511
2512   gst_bin_add (GST_BIN (priv->pipeline), conference);
2513   gst_element_set_state (conference, GST_STATE_PLAYING);
2514 }
2515
2516 static void
2517 empathy_call_window_add_notifier_remove (gpointer data, gpointer user_data)
2518 {
2519   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2520   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2521   FsElementAddedNotifier *notifier = data;
2522
2523   fs_element_added_notifier_remove (notifier, GST_BIN (priv->pipeline));
2524 }
2525
2526 static void
2527 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2528   GstElement *conference, gpointer user_data)
2529 {
2530   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2531   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2532
2533   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2534   gst_element_set_state (conference, GST_STATE_NULL);
2535
2536   g_list_foreach (priv->notifiers,
2537     empathy_call_window_add_notifier_remove, user_data);
2538
2539   g_list_free_full (priv->notifiers, g_object_unref);
2540   priv->notifiers = NULL;
2541 }
2542
2543 static gboolean
2544 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2545 {
2546   GstStateChangeReturn state_change_return;
2547   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2548
2549   if (priv->pipeline == NULL)
2550     return TRUE;
2551
2552   if (priv->bus_message_source_id != 0)
2553     {
2554       g_source_remove (priv->bus_message_source_id);
2555       priv->bus_message_source_id = 0;
2556     }
2557
2558   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2559
2560   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2561         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2562     {
2563       if (priv->pipeline != NULL)
2564         g_object_unref (priv->pipeline);
2565       priv->pipeline = NULL;
2566
2567       if (priv->audio_output != NULL)
2568         g_object_unref (priv->audio_output);
2569       priv->audio_output = NULL;
2570       priv->audio_output_added = FALSE;
2571
2572       if (priv->video_tee != NULL)
2573         g_object_unref (priv->video_tee);
2574       priv->video_tee = NULL;
2575
2576       if (priv->video_preview != NULL)
2577         clutter_actor_destroy (priv->video_preview);
2578       priv->video_preview = NULL;
2579
2580       if (priv->preview_content != NULL)
2581         g_object_unref (priv->preview_content);
2582       priv->preview_content = NULL;
2583
2584       /* If we destroy the preview while it's being dragged, we won't
2585        * get the ::drag-end signal, so manually destroy the clone */
2586       if (priv->drag_preview != NULL)
2587         {
2588           clutter_actor_destroy (priv->drag_preview);
2589           empathy_call_window_show_preview_rectangles (self, FALSE);
2590           priv->drag_preview = NULL;
2591         }
2592
2593       priv->funnel = NULL;
2594
2595       create_pipeline (self);
2596       /* Call will be started when user will hit the 'redial' button */
2597       priv->start_call_when_playing = FALSE;
2598       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2599
2600       return TRUE;
2601     }
2602   else
2603     {
2604       g_message ("Error: could not destroy pipeline. Closing call window");
2605       gtk_widget_destroy (GTK_WIDGET (self));
2606
2607       return FALSE;
2608     }
2609 }
2610
2611 static void
2612 reset_details_pane (EmpathyCallWindow *self)
2613 {
2614   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2615
2616   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2617   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2618   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2619   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2620 }
2621
2622 static gboolean
2623 empathy_call_window_disconnected (EmpathyCallWindow *self,
2624     gboolean restart)
2625 {
2626   gboolean could_disconnect = FALSE;
2627   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2628   gboolean could_reset_pipeline;
2629
2630   /* Leave full screen mode if needed */
2631   gtk_window_unfullscreen (GTK_WINDOW (self));
2632
2633   g_signal_emit (self, signals[SIG_INHIBIT], 0, FALSE);
2634
2635   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2636   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2637
2638   /* Create the video input and then turn on the camera
2639    * menu, so that the active camera gets marked as such.
2640    */
2641   if (priv->video_input == NULL)
2642     create_video_input (self);
2643   empathy_camera_menu_set_sensitive (priv->camera_menu, TRUE);
2644
2645   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2646
2647   if (priv->call_state == CONNECTING)
2648       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2649
2650   if (priv->call_state != REDIALING)
2651     priv->call_state = DISCONNECTED;
2652
2653   /* Show the toolbar */
2654   clutter_state_set_state (priv->transitions, "fade-in");
2655
2656   if (could_reset_pipeline)
2657     {
2658       g_mutex_lock (&priv->lock);
2659
2660       g_timer_stop (priv->timer);
2661
2662       if (priv->timer_id != 0)
2663         g_source_remove (priv->timer_id);
2664       priv->timer_id = 0;
2665
2666       g_mutex_unlock (&priv->lock);
2667
2668       if (!restart)
2669         /* We are about to destroy the window, no need to update it or create
2670          * a video preview */
2671         return TRUE;
2672
2673       empathy_call_window_status_message (self, _("Disconnected"));
2674
2675       empathy_call_window_show_hangup_button (self, FALSE);
2676
2677       /* Unsensitive the camera and mic button */
2678       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2679       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2680
2681       /* Be sure that the mic button is enabled */
2682       empathy_audio_src_set_mute (
2683           EMPATHY_GST_AUDIO_SRC (self->priv->audio_input), FALSE);
2684
2685       if (priv->camera_state == CAMERA_STATE_ON)
2686         {
2687           /* Restart the preview with the new pipeline. */
2688           display_video_preview (self, TRUE);
2689         }
2690
2691       /* destroy the video output; it will be recreated when we'll redial */
2692       disconnect_video_output_motion_handler (self);
2693       if (priv->video_output != NULL)
2694         clutter_actor_destroy (priv->video_output);
2695       priv->video_output = NULL;
2696       if (priv->got_video_src > 0)
2697         {
2698           g_source_remove (priv->got_video_src);
2699           priv->got_video_src = 0;
2700         }
2701
2702       gtk_widget_show (priv->remote_user_avatar_widget);
2703
2704       reset_details_pane (self);
2705
2706       priv->sending_video = FALSE;
2707       priv->call_started = FALSE;
2708
2709       could_disconnect = TRUE;
2710
2711       /* TODO: display the self avatar of the preview (depends if the "Always
2712        * Show Video Preview" is enabled or not) */
2713     }
2714
2715   return could_disconnect;
2716 }
2717
2718
2719 static void
2720 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2721     gpointer user_data)
2722 {
2723   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2724   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2725
2726   if (empathy_call_window_disconnected (self, TRUE) &&
2727       priv->call_state == REDIALING)
2728       empathy_call_window_restart_call (self);
2729 }
2730
2731 static gboolean
2732 empathy_call_window_content_is_raw (TfContent *content)
2733 {
2734   FsConference *conference;
2735   gboolean israw;
2736
2737   g_object_get (content, "fs-conference", &conference, NULL);
2738   g_assert (conference != NULL);
2739
2740   /* FIXME: Ugly hack, update when moving a packetization property into
2741    * farstream */
2742   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2743   gst_object_unref (conference);
2744
2745   return israw;
2746 }
2747
2748 static gboolean
2749 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2750     TfContent *content,
2751     EmpathyCallWindow *self)
2752 {
2753   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2754   FsMediaType media_type;
2755
2756   DEBUG ("removing content");
2757
2758   g_object_get (content, "media-type", &media_type, NULL);
2759
2760   /*
2761    * This assumes that there is only one video stream per channel...
2762    */
2763
2764   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2765     {
2766       if (priv->funnel != NULL)
2767         {
2768           GstElement *output;
2769
2770           output = priv->video_output_sink;
2771
2772           gst_element_set_state (output, GST_STATE_NULL);
2773           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2774
2775           gst_bin_remove (GST_BIN (priv->pipeline), output);
2776           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2777           priv->funnel = NULL;
2778         }
2779     }
2780   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2781     {
2782       if (priv->audio_output != NULL)
2783         {
2784           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2785
2786           if (priv->audio_output_added)
2787             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2788           priv->audio_output = NULL;
2789           priv->audio_output_added = FALSE;
2790         }
2791     }
2792   else
2793     {
2794       g_assert_not_reached ();
2795     }
2796
2797   return TRUE;
2798 }
2799
2800 static void
2801 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2802     guint framerate,
2803     EmpathyCallWindow *self)
2804 {
2805   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2806
2807   DEBUG ("Framerate changed to %u", framerate);
2808
2809   if (priv->video_input != NULL)
2810     empathy_video_src_set_framerate (priv->video_input, framerate);
2811 }
2812
2813 static void
2814 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2815     guint width,
2816     guint height,
2817     EmpathyCallWindow *self)
2818 {
2819   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2820
2821   DEBUG ("Resolution changed to %ux%u", width, height);
2822
2823   if (priv->video_input != NULL)
2824     {
2825       empathy_video_src_set_resolution (priv->video_input, width, height);
2826     }
2827 }
2828
2829 /* Called with global lock held */
2830 static GstPad *
2831 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2832 {
2833   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2834   GstPad *pad;
2835   GstElement *output;
2836
2837   if (priv->funnel == NULL)
2838     {
2839       output = priv->video_output_sink;
2840       priv->funnel = gst_element_factory_make ("funnel", NULL);
2841
2842       if (!priv->funnel)
2843         {
2844           g_warning ("Could not create video funnel");
2845           return NULL;
2846         }
2847
2848       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2849         {
2850           gst_object_unref (priv->funnel);
2851           priv->funnel = NULL;
2852           g_warning ("Could  not add funnel to pipeline");
2853           return NULL;
2854         }
2855
2856       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2857         {
2858           g_warning ("Could not add the video output widget to the pipeline");
2859           goto error;
2860         }
2861
2862       if (!gst_element_link (priv->funnel, output))
2863         {
2864           g_warning ("Could not link output sink to funnel");
2865           goto error_output_added;
2866         }
2867
2868       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2869         {
2870           g_warning ("Could not start video sink");
2871           goto error_output_added;
2872         }
2873
2874       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2875         {
2876           g_warning ("Could not start funnel");
2877           goto error_output_added;
2878         }
2879     }
2880   pad = gst_element_get_request_pad (priv->funnel, "sink_%u");
2881
2882   if (!pad)
2883     g_warning ("Could not get request pad from funnel");
2884
2885   return pad;
2886
2887
2888  error_output_added:
2889
2890   gst_element_set_locked_state (priv->funnel, TRUE);
2891   gst_element_set_locked_state (output, TRUE);
2892
2893   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2894   gst_element_set_state (output, GST_STATE_NULL);
2895
2896   gst_bin_remove (GST_BIN (priv->pipeline), output);
2897   gst_element_set_locked_state (output, FALSE);
2898
2899  error:
2900
2901   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2902   priv->funnel = NULL;
2903
2904   return NULL;
2905 }
2906
2907 /* Called with global lock held */
2908 static GstPad *
2909 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2910   TfContent *content)
2911 {
2912   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2913   GstPad *pad;
2914   GstPadTemplate *template;
2915
2916   if (!priv->audio_output_added)
2917     {
2918       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2919         {
2920           g_warning ("Could not add audio sink to pipeline");
2921           g_object_unref (priv->audio_output);
2922           goto error_add_output;
2923         }
2924
2925       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2926         {
2927           g_warning ("Could not start audio sink");
2928           goto error;
2929         }
2930       priv->audio_output_added = TRUE;
2931     }
2932
2933   template = gst_element_class_get_pad_template (
2934     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2935
2936   pad = gst_element_request_pad (priv->audio_output,
2937     template, NULL, NULL);
2938
2939   if (pad == NULL)
2940     {
2941       g_warning ("Could not get sink pad from sink");
2942       return NULL;
2943     }
2944
2945   return pad;
2946
2947 error:
2948   gst_element_set_locked_state (priv->audio_output, TRUE);
2949   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2950   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2951   priv->audio_output = NULL;
2952
2953 error_add_output:
2954
2955   return NULL;
2956 }
2957
2958 static gboolean
2959 empathy_call_window_update_timer (gpointer user_data)
2960 {
2961   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2962   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2963   const gchar *status;
2964   gchar *str;
2965   gdouble time_;
2966
2967   time_ = g_timer_elapsed (priv->timer, NULL);
2968
2969   if (priv->call_state == HELD)
2970     status = _("On hold");
2971   else if (priv->call_state == DISCONNECTED)
2972     status = _("Disconnected");
2973   else if (priv->muted)
2974     status = _("Mute");
2975   else
2976     status = _("Duration");
2977
2978   /* Translators: 'status — minutes∶seconds' the caller has been connected */
2979   str = g_strdup_printf (_("%s — %d∶%02dm"),
2980       status,
2981       (int) time_ / 60, (int) time_ % 60);
2982   empathy_call_window_status_message (self, str);
2983   g_free (str);
2984
2985   return TRUE;
2986 }
2987
2988 enum
2989 {
2990   EMP_RESPONSE_BALANCE
2991 };
2992
2993 static void
2994 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2995     gint response_id,
2996     gpointer user_data)
2997 {
2998   switch (response_id)
2999     {
3000       case GTK_RESPONSE_CLOSE:
3001         gtk_widget_destroy (GTK_WIDGET (info_bar));
3002         break;
3003       case EMP_RESPONSE_BALANCE:
3004         empathy_url_show (GTK_WIDGET (info_bar),
3005             g_object_get_data (G_OBJECT (info_bar), "uri"));
3006         break;
3007     }
3008 }
3009
3010 static void
3011 display_error (EmpathyCallWindow *self,
3012     const gchar *img,
3013     const gchar *title,
3014     const gchar *desc,
3015     const gchar *details,
3016     const gchar *button_text,
3017     const gchar *uri,
3018     gint button_response)
3019 {
3020   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3021   GtkWidget *info_bar;
3022   GtkWidget *content_area;
3023   GtkWidget *hbox;
3024   GtkWidget *vbox;
3025   GtkWidget *image;
3026   GtkWidget *label;
3027   gchar *txt;
3028
3029   /* Create info bar */
3030   info_bar = gtk_info_bar_new ();
3031
3032   if (button_text != NULL)
3033     {
3034       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3035           button_text, button_response);
3036       g_object_set_data_full (G_OBJECT (info_bar),
3037           "uri", g_strdup (uri), g_free);
3038     }
3039
3040   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
3041       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
3042
3043   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
3044
3045   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3046
3047   /* hbox containing the image and the messages vbox */
3048   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
3049   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3050
3051   /* Add image */
3052   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3053   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3054
3055   /* vbox containing the main message and the details expander */
3056   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
3057   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3058
3059   /* Add text */
3060   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3061
3062   label = gtk_label_new (NULL);
3063   gtk_label_set_markup (GTK_LABEL (label), txt);
3064   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3065   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3066   g_free (txt);
3067
3068   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3069
3070   /* Add details */
3071   if (details != NULL)
3072     {
3073       GtkWidget *expander;
3074
3075       expander = gtk_expander_new (_("Technical Details"));
3076
3077       txt = g_strdup_printf ("<i>%s</i>", details);
3078
3079       label = gtk_label_new (NULL);
3080       gtk_label_set_markup (GTK_LABEL (label), txt);
3081       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3082       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3083       g_free (txt);
3084
3085       gtk_container_add (GTK_CONTAINER (expander), label);
3086       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3087     }
3088
3089   g_signal_connect (info_bar, "response",
3090       G_CALLBACK (on_error_infobar_response_cb), NULL);
3091
3092   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3093       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3094   gtk_widget_show_all (info_bar);
3095 }
3096
3097 #if 0
3098 static gchar *
3099 media_stream_error_to_txt (EmpathyCallWindow *self,
3100     TpCallChannel *call,
3101     gboolean audio,
3102     TpMediaStreamError error)
3103 {
3104   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3105   const gchar *cm = NULL;
3106   gchar *url;
3107   gchar *result;
3108
3109   switch (error)
3110     {
3111       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3112         if (audio)
3113           return g_strdup_printf (
3114               _("%s’s software does not understand any of the audio formats "
3115                 "supported by your computer"),
3116             empathy_contact_get_alias (priv->contact));
3117         else
3118           return g_strdup_printf (
3119               _("%s’s software does not understand any of the video formats "
3120                 "supported by your computer"),
3121             empathy_contact_get_alias (priv->contact));
3122
3123       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3124         return g_strdup_printf (
3125             _("Can’t establish a connection to %s. "
3126               "One of you might be on a network that does not allow "
3127               "direct connections."),
3128           empathy_contact_get_alias (priv->contact));
3129
3130       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3131           return g_strdup (_("There was a failure on the network"));
3132
3133       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3134         if (audio)
3135           return g_strdup (_("The audio formats necessary for this call "
3136                 "are not installed on your computer"));
3137         else
3138           return g_strdup (_("The video formats necessary for this call "
3139                 "are not installed on your computer"));
3140
3141       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3142         tp_connection_parse_object_path (
3143             tp_channel_get_connection (TP_CHANNEL (call)),
3144             NULL, &cm);
3145
3146         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3147             "product=Telepathy&amp;component=%s", cm);
3148
3149         result = g_strdup_printf (
3150             _("Something unexpected happened in a Telepathy component. "
3151               "Please <a href=\"%s\">report this bug</a> and attach "
3152               "logs gathered from the “Debug” window in the Help menu."), url);
3153
3154         g_free (url);
3155         g_free (cm);
3156         return result;
3157
3158       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3159         return g_strdup (_("There was a failure in the call engine"));
3160
3161       case TP_MEDIA_STREAM_ERROR_EOS:
3162         return g_strdup (_("The end of the stream was reached"));
3163
3164       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3165       default:
3166         return NULL;
3167     }
3168 }
3169
3170 static void
3171 empathy_call_window_stream_error (EmpathyCallWindow *self,
3172     TpCallChannel *call,
3173     gboolean audio,
3174     guint code,
3175     const gchar *msg,
3176     const gchar *icon,
3177     const gchar *title)
3178 {
3179   gchar *desc;
3180
3181   desc = media_stream_error_to_txt (self, call, audio, code);
3182   if (desc == NULL)
3183     {
3184       /* No description, use the error message. That's not great as it's not
3185        * localized but it's better than nothing. */
3186       display_error (self, call, icon, title, msg, NULL);
3187     }
3188   else
3189     {
3190       display_error (self, call, icon, title, desc, msg);
3191       g_free (desc);
3192     }
3193 }
3194
3195 static void
3196 empathy_call_window_audio_stream_error (TpCallChannel *call,
3197     guint code,
3198     const gchar *msg,
3199     EmpathyCallWindow *self)
3200 {
3201   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3202       "gnome-stock-mic", _("Can’t establish audio stream"));
3203 }
3204
3205 static void
3206 empathy_call_window_video_stream_error (TpCallChannel *call,
3207     guint code,
3208     const gchar *msg,
3209     EmpathyCallWindow *self)
3210 {
3211   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3212       "camera-web", _("Can’t establish video stream"));
3213 }
3214 #endif
3215
3216 static void
3217 show_balance_error (EmpathyCallWindow *self)
3218 {
3219   TpChannel *call;
3220   TpConnection *conn;
3221   gchar *balance, *tmp;
3222   const gchar *uri, *currency;
3223   gint amount;
3224   guint scale;
3225
3226   g_object_get (self->priv->handler,
3227       "call-channel", &call,
3228       NULL);
3229
3230   conn = tp_channel_get_connection (call);
3231   g_object_unref (call);
3232
3233   uri = tp_connection_get_balance_uri (conn);
3234
3235   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3236     {
3237       /* unknown balance */
3238       balance = g_strdup ("(--)");
3239     }
3240   else
3241     {
3242       char *money = empathy_format_currency (amount, scale, currency);
3243
3244       balance = g_strdup_printf ("%s %s",
3245           currency, money);
3246       g_free (money);
3247     }
3248
3249   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3250
3251   display_error (self,
3252       NULL,
3253       _("Sorry, you don’t have enough credit for that call."),
3254       tmp, NULL,
3255       _("Top Up"),
3256       uri,
3257       EMP_RESPONSE_BALANCE);
3258
3259   g_free (tmp);
3260   g_free (balance);
3261 }
3262
3263 static void
3264 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3265     TpCallState state,
3266     gchar *reason,
3267     EmpathyCallWindow *self)
3268 {
3269   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3270   TpCallChannel *call;
3271   gboolean can_send_video;
3272
3273   if (state == TP_CALL_STATE_ENDED)
3274     {
3275       DEBUG ("Call ended: %s", (reason != NULL && reason[0] != '\0') ? reason : "unspecified reason");
3276       empathy_call_window_disconnected (self, TRUE);
3277       if (!tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3278           show_balance_error (self);
3279       return;
3280     }
3281
3282   if (state != TP_CALL_STATE_ACCEPTED)
3283     return;
3284
3285   if (priv->call_state == CONNECTED)
3286     return;
3287
3288   g_timer_start (priv->timer);
3289   priv->call_state = CONNECTED;
3290
3291   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3292
3293   can_send_video = priv->video_input != NULL &&
3294     empathy_contact_can_voip_video (priv->contact) &&
3295     tpaw_camera_monitor_get_available (priv->camera_monitor);
3296
3297   g_object_get (priv->handler, "call-channel", &call, NULL);
3298
3299   if (tp_call_channel_has_dtmf (call))
3300     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3301
3302   if (priv->video_input == NULL)
3303     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3304
3305   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3306
3307   empathy_call_window_show_hangup_button (self, TRUE);
3308
3309   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3310
3311   clutter_actor_hide (priv->video_output);
3312   gtk_widget_show (priv->remote_user_avatar_widget);
3313
3314   g_object_unref (call);
3315
3316   g_mutex_lock (&priv->lock);
3317
3318   priv->timer_id = g_timeout_add_seconds (1,
3319     empathy_call_window_update_timer, self);
3320
3321   g_mutex_unlock (&priv->lock);
3322
3323   empathy_call_window_update_timer (self);
3324
3325   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3326 }
3327
3328 static gboolean
3329 empathy_call_window_show_video_output_cb (gpointer user_data)
3330 {
3331   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3332
3333   if (self->priv->video_output != NULL)
3334     {
3335       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3336       clutter_actor_show (self->priv->video_output);
3337       clutter_actor_raise_top (self->priv->overlay_bin);
3338     }
3339
3340   return FALSE;
3341 }
3342
3343 static gboolean
3344 empathy_call_window_check_video_cb (gpointer data)
3345 {
3346   EmpathyCallWindow *self = data;
3347
3348   if (self->priv->got_video)
3349     {
3350       self->priv->got_video = FALSE;
3351       return TRUE;
3352     }
3353
3354   /* No video in the last N seconds, display the remote avatar */
3355   empathy_call_window_show_video_output (self, FALSE);
3356
3357   return TRUE;
3358 }
3359
3360 /* Called from the streaming thread */
3361 static GstPadProbeReturn
3362 empathy_call_window_video_probe_cb (GstPad *pad,
3363     GstPadProbeInfo *info,
3364     gpointer user_data)
3365 {
3366     EmpathyCallWindow *self = user_data;
3367
3368   if (G_UNLIKELY (!self->priv->got_video))
3369     {
3370       /* show the remote video */
3371       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3372           empathy_call_window_show_video_output_cb,
3373           g_object_ref (self), g_object_unref);
3374
3375       self->priv->got_video = TRUE;
3376     }
3377
3378   return GST_PAD_PROBE_OK;
3379 }
3380
3381 /* Called from the streaming thread */
3382 static gboolean
3383 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3384   TfContent *content, GstPad *src, gpointer user_data)
3385 {
3386   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3387   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3388   gboolean retval = FALSE;
3389   guint media_type;
3390
3391   GstPad *pad;
3392
3393   g_mutex_lock (&priv->lock);
3394
3395   g_object_get (content, "media-type", &media_type, NULL);
3396
3397   switch (media_type)
3398     {
3399       case TP_MEDIA_STREAM_TYPE_AUDIO:
3400         pad = empathy_call_window_get_audio_sink_pad (self, content);
3401         break;
3402       case TP_MEDIA_STREAM_TYPE_VIDEO:
3403         g_idle_add (empathy_call_window_show_video_output_cb, self);
3404         pad = empathy_call_window_get_video_sink_pad (self);
3405
3406         gst_pad_add_probe (src,
3407             GST_PAD_PROBE_TYPE_BUFFER | GST_PAD_PROBE_TYPE_BUFFER_LIST,
3408             empathy_call_window_video_probe_cb, self, NULL);
3409
3410         if (priv->got_video_src > 0)
3411           g_source_remove (priv->got_video_src);
3412         priv->got_video_src = g_timeout_add_seconds (1,
3413             empathy_call_window_check_video_cb, self);
3414         break;
3415       default:
3416         g_assert_not_reached ();
3417     }
3418
3419   if (pad == NULL)
3420     goto out;
3421
3422   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3423       g_warning ("Could not link %s sink pad",
3424           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3425   else
3426       retval = TRUE;
3427
3428   gst_object_unref (pad);
3429
3430  out:
3431
3432   /* If no sink could be linked, try to add fakesink to prevent the whole call
3433    * aborting */
3434
3435   if (!retval)
3436     {
3437       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3438
3439       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3440         {
3441           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3442           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3443               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3444             {
3445               gst_element_set_locked_state (fakesink, TRUE);
3446               gst_element_set_state (fakesink, GST_STATE_NULL);
3447               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3448             }
3449           else
3450             {
3451               DEBUG ("Could not link real sink, linked fakesink instead");
3452             }
3453           gst_object_unref (sinkpad);
3454         }
3455       else
3456         {
3457           gst_object_unref (fakesink);
3458         }
3459     }
3460
3461
3462   g_mutex_unlock (&priv->lock);
3463
3464   return TRUE;
3465 }
3466
3467 static void
3468 empathy_call_window_prepare_audio_output (EmpathyCallWindow *self,
3469   TfContent *content)
3470 {
3471   EmpathyCallWindowPriv *priv = self->priv;
3472
3473   g_assert (priv->audio_output_added == FALSE);
3474   g_assert (priv->audio_output == FALSE);
3475
3476   priv->audio_output = empathy_audio_sink_new ();
3477   g_object_ref_sink (priv->audio_output);
3478
3479   /* volume button to output volume linking */
3480   g_object_bind_property (priv->audio_output, "volume",
3481     priv->volume_button, "value",
3482     G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
3483
3484   g_object_bind_property_full (content, "requested-output-volume",
3485     priv->audio_output, "volume",
3486     G_BINDING_DEFAULT,
3487     audio_control_volume_to_element,
3488     element_volume_to_audio_control,
3489     NULL, NULL);
3490
3491   /* Link volumes together, sync the current audio input volume property
3492     * back to farstream first */
3493   g_object_bind_property_full (priv->audio_output, "volume",
3494     content, "reported-output-volume",
3495     G_BINDING_SYNC_CREATE,
3496     element_volume_to_audio_control,
3497     audio_control_volume_to_element,
3498     NULL, NULL);
3499
3500   /* For raw audio conferences assume that the producer of the raw data
3501    * has already processed it, so turn off any echo cancellation and any
3502    * other audio improvements that come with it */
3503   empathy_audio_sink_set_echo_cancel (
3504     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3505     !empathy_call_window_content_is_raw (content));
3506 }
3507
3508
3509 static gboolean
3510 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3511   TfContent *content, gpointer user_data)
3512 {
3513   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3514   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3515   GstPad *sink, *pad;
3516   FsMediaType media_type;
3517   gboolean retval = FALSE;
3518
3519   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3520   g_assert (sink != NULL);
3521
3522   switch (media_type)
3523     {
3524       case FS_MEDIA_TYPE_AUDIO:
3525
3526         /* For raw audio conferences assume that the receiver of the raw data
3527          * wants it unprocessed, so turn off any echo cancellation and any
3528          * other audio improvements that come with it */
3529         empathy_audio_src_set_echo_cancel (
3530           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3531           !empathy_call_window_content_is_raw (content));
3532
3533         /* Link volumes together, sync the current audio input volume property
3534          * back to farstream first */
3535         g_object_bind_property_full (content, "requested-input-volume",
3536           priv->audio_input, "volume",
3537           G_BINDING_DEFAULT,
3538           audio_control_volume_to_element,
3539           element_volume_to_audio_control,
3540           NULL, NULL);
3541
3542         g_object_bind_property_full (priv->audio_input, "volume",
3543           content, "reported-input-volume",
3544           G_BINDING_SYNC_CREATE,
3545           element_volume_to_audio_control,
3546           audio_control_volume_to_element,
3547           NULL, NULL);
3548
3549         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3550           {
3551             g_warning ("Could not add audio source to pipeline");
3552             break;
3553           }
3554
3555         pad = gst_element_get_static_pad (priv->audio_input, "src");
3556         if (!pad)
3557           {
3558             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3559             g_warning ("Could not get source pad from audio source");
3560             break;
3561           }
3562
3563         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3564           {
3565             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3566             gst_object_unref (pad);
3567             g_warning ("Could not link audio source to farsight");
3568             break;
3569           }
3570         gst_object_unref (pad);
3571
3572         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3573           {
3574             g_warning ("Could not start audio source");
3575             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3576             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3577             break;
3578           }
3579
3580         /* Prepare our audio output, not added yet though */
3581         empathy_call_window_prepare_audio_output (self, content);
3582
3583         retval = TRUE;
3584         break;
3585       case FS_MEDIA_TYPE_VIDEO:
3586         if (priv->video_tee != NULL)
3587           {
3588             pad = gst_element_get_request_pad (priv->video_tee, "src_%u");
3589             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3590               {
3591                 g_warning ("Could not link video source input pipeline");
3592                 break;
3593               }
3594             gst_object_unref (pad);
3595           }
3596
3597         retval = TRUE;
3598         break;
3599       default:
3600         g_assert_not_reached ();
3601     }
3602
3603   gst_object_unref (sink);
3604   return retval;
3605 }
3606
3607 static void
3608 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3609 {
3610   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3611   GstElement *preview;
3612
3613   disable_camera (self);
3614
3615   DEBUG ("remove video input");
3616   preview = priv->video_preview_sink;
3617
3618   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3619   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3620   gst_element_set_state (preview, GST_STATE_NULL);
3621
3622   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3623     preview, NULL);
3624
3625   g_object_unref (priv->video_input);
3626   priv->video_input = NULL;
3627   g_object_unref (priv->video_tee);
3628   priv->video_tee = NULL;
3629   clutter_actor_destroy (priv->video_preview);
3630   priv->video_preview = NULL;
3631
3632   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3633   empathy_camera_menu_set_sensitive (priv->camera_menu, FALSE);
3634 }
3635
3636 static void
3637 start_call (EmpathyCallWindow *self)
3638 {
3639   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3640
3641   g_signal_emit (self, signals[SIG_INHIBIT], 0, TRUE);
3642
3643   priv->call_started = TRUE;
3644   empathy_call_handler_start_call (priv->handler,
3645       gtk_get_current_event_time ());
3646
3647   if (empathy_call_handler_has_initial_video (priv->handler))
3648     {
3649       TpCallChannel *call;
3650       TpSendingState s;
3651
3652       g_object_get (priv->handler, "call-channel", &call, NULL);
3653       /* If the call channel isn't set yet we're requesting it, if we're
3654        * requesting it with initial video it should be PENDING_SEND when we get
3655        * it */
3656       if (call == NULL)
3657         s = TP_SENDING_STATE_PENDING_SEND;
3658       else
3659         s = empathy_call_channel_get_video_state (call);
3660
3661       if (s == TP_SENDING_STATE_PENDING_SEND ||
3662           s == TP_SENDING_STATE_SENDING)
3663         {
3664           /* Enable 'send video' buttons and display the preview */
3665           gtk_toggle_button_set_active (
3666             GTK_TOGGLE_BUTTON (priv->camera_button), TRUE);
3667         }
3668       else
3669         {
3670           gtk_toggle_button_set_active (
3671             GTK_TOGGLE_BUTTON (priv->camera_button), FALSE);
3672
3673           if (priv->video_preview == NULL)
3674             {
3675               create_video_preview (self);
3676               add_video_preview_to_pipeline (self);
3677             }
3678         }
3679
3680       if (call != NULL)
3681         g_object_unref (call);
3682     }
3683 }
3684
3685 static gboolean
3686 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3687   gpointer user_data)
3688 {
3689   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3690   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3691   GstState newstate, pending;
3692
3693   empathy_call_handler_bus_message (priv->handler, bus, message);
3694
3695   switch (GST_MESSAGE_TYPE (message))
3696     {
3697       case GST_MESSAGE_STATE_CHANGED:
3698         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3699           {
3700             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3701           }
3702         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3703             !priv->call_started)
3704           {
3705             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3706             if (newstate == GST_STATE_PAUSED)
3707               {
3708                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3709                 priv->pipeline_playing = TRUE;
3710
3711                 if (priv->start_call_when_playing)
3712                   start_call (self);
3713               }
3714           }
3715         if (priv->video_preview_sink != NULL &&
3716             GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3717           {
3718             gst_message_parse_state_changed (message, NULL, &newstate,
3719                 &pending);
3720
3721             if (newstate == GST_STATE_PLAYING &&
3722                 pending == GST_STATE_VOID_PENDING)
3723               empathy_call_window_stop_camera_spinning (self);
3724           }
3725         break;
3726       case GST_MESSAGE_ERROR:
3727         {
3728           GError *error = NULL;
3729           GstElement *gst_error;
3730           gchar *debug;
3731           gchar *name;
3732
3733           gst_message_parse_error (message, &error, &debug);
3734           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3735
3736           g_message ("Element error: %s -- %s\n", error->message, debug);
3737
3738           name = gst_element_get_name (gst_error);
3739           if (g_str_has_prefix (name, VIDEO_INPUT_ERROR_PREFIX))
3740             {
3741               /* Remove the video input and continue */
3742               if (priv->video_input != NULL)
3743                 empathy_call_window_remove_video_input (self);
3744               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3745             }
3746           else
3747             {
3748               empathy_call_window_disconnected (self, TRUE);
3749             }
3750           g_free (name);
3751           g_error_free (error);
3752           g_free (debug);
3753         }
3754       case GST_MESSAGE_UNKNOWN:
3755       case GST_MESSAGE_EOS:
3756       case GST_MESSAGE_WARNING:
3757       case GST_MESSAGE_INFO:
3758       case GST_MESSAGE_TAG:
3759       case GST_MESSAGE_BUFFERING:
3760       case GST_MESSAGE_STATE_DIRTY:
3761       case GST_MESSAGE_STEP_DONE:
3762       case GST_MESSAGE_CLOCK_PROVIDE:
3763       case GST_MESSAGE_CLOCK_LOST:
3764       case GST_MESSAGE_NEW_CLOCK:
3765       case GST_MESSAGE_STRUCTURE_CHANGE:
3766       case GST_MESSAGE_STREAM_STATUS:
3767       case GST_MESSAGE_APPLICATION:
3768       case GST_MESSAGE_ELEMENT:
3769       case GST_MESSAGE_SEGMENT_START:
3770       case GST_MESSAGE_SEGMENT_DONE:
3771       case GST_MESSAGE_DURATION:
3772       case GST_MESSAGE_ANY:
3773       default:
3774         break;
3775     }
3776
3777   return TRUE;
3778 }
3779
3780 static void
3781 empathy_call_window_members_changed_cb (TpCallChannel *call,
3782     GHashTable *updates,
3783     GPtrArray *removed,
3784     TpCallStateReason *reason,
3785     EmpathyCallWindow *self)
3786 {
3787   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3788   GHashTableIter iter;
3789   gpointer key, value;
3790   gboolean held = FALSE;
3791
3792   g_hash_table_iter_init (&iter, updates);
3793   while (g_hash_table_iter_next (&iter, &key, &value))
3794     {
3795       if (GPOINTER_TO_INT (value) & TP_CALL_MEMBER_FLAG_HELD)
3796         {
3797           /* This assumes this is a 1-1 call, otherwise one participant
3798            * putting the call on hold wouldn't mean the call is on hold
3799            * for everyone. */
3800           held = TRUE;
3801           break;
3802         }
3803     }
3804
3805   if (held)
3806     priv->call_state = HELD;
3807   else if (priv->call_state == HELD)
3808     priv->call_state = CONNECTED;
3809 }
3810
3811 static void
3812 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3813     GParamSpec *spec,
3814     EmpathyCallWindow *self)
3815 {
3816   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3817   TpCallChannel *call;
3818
3819   g_object_get (priv->handler, "call-channel", &call, NULL);
3820   if (call == NULL)
3821     return;
3822
3823 /* FIXME
3824   tp_g_signal_connect_object (call, "audio-stream-error",
3825       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3826   tp_g_signal_connect_object (call, "video-stream-error",
3827       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3828 */
3829
3830   tp_g_signal_connect_object (call, "members-changed",
3831       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3832
3833   g_object_unref (call);
3834 }
3835
3836 static void
3837 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3838 {
3839   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3840   TpCallChannel *call;
3841
3842   g_signal_connect (priv->handler, "state-changed",
3843     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3844   g_signal_connect (priv->handler, "conference-added",
3845     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3846   g_signal_connect (priv->handler, "conference-removed",
3847     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3848   g_signal_connect (priv->handler, "closed",
3849     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3850   g_signal_connect (priv->handler, "src-pad-added",
3851     G_CALLBACK (empathy_call_window_src_added_cb), self);
3852   g_signal_connect (priv->handler, "content-added",
3853     G_CALLBACK (empathy_call_window_content_added_cb), self);
3854   g_signal_connect (priv->handler, "content-removed",
3855     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3856
3857   /* We connect to ::call-channel unconditionally since we'll
3858    * get new channels if we hangup and redial or if we reuse the
3859    * call window. */
3860   g_signal_connect (priv->handler, "notify::call-channel",
3861     G_CALLBACK (call_handler_notify_call_cb), self);
3862
3863   g_signal_connect (priv->handler, "framerate-changed",
3864     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3865   g_signal_connect (priv->handler, "resolution-changed",
3866     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3867
3868   g_object_get (priv->handler, "call-channel", &call, NULL);
3869   if (call != NULL)
3870     {
3871       /* We won't get notify::call-channel for this channel, so
3872        * directly call the callback. */
3873       call_handler_notify_call_cb (priv->handler, NULL, self);
3874       g_object_unref (call);
3875     }
3876 }
3877
3878 static void
3879 empathy_call_window_realized_cb (GtkWidget *widget,
3880     EmpathyCallWindow *self)
3881 {
3882   gint width;
3883
3884   /* Make the hangup button twice as wide */
3885   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3886   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3887
3888   empathy_call_window_connect_handler (self);
3889
3890   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3891 }
3892
3893 static gboolean
3894 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3895   EmpathyCallWindow *window)
3896 {
3897   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3898
3899   if (priv->pipeline != NULL)
3900     {
3901       if (priv->bus_message_source_id != 0)
3902         {
3903           g_source_remove (priv->bus_message_source_id);
3904           priv->bus_message_source_id = 0;
3905         }
3906
3907       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3908     }
3909
3910   if (priv->call_state == CONNECTING)
3911     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3912
3913   return FALSE;
3914 }
3915
3916 static void
3917 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3918 {
3919   GtkWidget *menu;
3920   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3921
3922   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3923             "/menubar1");
3924
3925   if (set_fullscreen)
3926     {
3927       gtk_widget_hide (priv->dtmf_panel);
3928       gtk_widget_hide (menu);
3929       gtk_widget_hide (priv->toolbar);
3930     }
3931   else
3932     {
3933       if (priv->dialpad_was_visible_before_fs)
3934         gtk_widget_show (priv->dtmf_panel);
3935
3936       gtk_widget_show (menu);
3937       gtk_widget_show (priv->toolbar);
3938
3939       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3940           priv->original_height_before_fs);
3941     }
3942 }
3943
3944 static void
3945 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3946 {
3947   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3948
3949   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3950       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3951
3952   if (priv->video_output != NULL)
3953     {
3954 #if 0
3955       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3956           priv->video_output, TRUE, TRUE,
3957           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3958           GTK_PACK_START);
3959 #endif
3960     }
3961 }
3962
3963 static gboolean
3964 empathy_call_window_state_event_cb (GtkWidget *widget,
3965   GdkEventWindowState *event, EmpathyCallWindow *window)
3966 {
3967   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3968     {
3969       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3970       gboolean set_fullscreen = event->new_window_state &
3971         GDK_WINDOW_STATE_FULLSCREEN;
3972
3973       if (set_fullscreen)
3974         {
3975           gboolean dialpad_was_visible;
3976           GtkAllocation allocation;
3977           gint original_width, original_height;
3978
3979           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3980           original_width = allocation.width;
3981           original_height = allocation.height;
3982
3983           g_object_get (priv->dtmf_panel,
3984               "visible", &dialpad_was_visible,
3985               NULL);
3986
3987           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3988           priv->original_width_before_fs = original_width;
3989           priv->original_height_before_fs = original_height;
3990
3991           if (priv->video_output_motion_handler_id == 0 &&
3992                 priv->video_output != NULL)
3993             {
3994               priv->video_output_motion_handler_id = g_signal_connect (
3995                   G_OBJECT (priv->video_container), "motion-notify-event",
3996                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3997                   window);
3998             }
3999         }
4000       else
4001         {
4002           disconnect_video_output_motion_handler (window);
4003         }
4004
4005       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
4006           set_fullscreen);
4007       show_controls (window, set_fullscreen);
4008       show_borders (window, set_fullscreen);
4009       gtk_action_set_stock_id (priv->menu_fullscreen,
4010           (set_fullscreen ? "view-restore" : "view-fullscreen"));
4011       priv->is_fullscreen = set_fullscreen;
4012   }
4013
4014   return FALSE;
4015 }
4016
4017 static void
4018 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
4019     gboolean active)
4020 {
4021   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4022   int w, h, dialpad_width;
4023   GtkAllocation allocation;
4024
4025   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
4026   w = allocation.width;
4027   h = allocation.height;
4028
4029   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
4030
4031   if (active)
4032     {
4033       gtk_widget_show (priv->dtmf_panel);
4034       w += dialpad_width;
4035     }
4036   else
4037     {
4038       w -= dialpad_width;
4039       gtk_widget_hide (priv->dtmf_panel);
4040     }
4041
4042   if (w > 0 && h > 0)
4043     gtk_window_resize (GTK_WINDOW (window), w, h);
4044 }
4045
4046 static void
4047 empathy_call_window_set_send_video (EmpathyCallWindow *window,
4048   CameraState state)
4049 {
4050   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4051   TpCallChannel *call;
4052
4053   priv->sending_video = (state == CAMERA_STATE_ON);
4054
4055   if (state == CAMERA_STATE_ON)
4056     {
4057       /* When we start sending video, we want to show the video preview by
4058          default. */
4059       display_video_preview (window, TRUE);
4060     }
4061   else
4062     {
4063       display_video_preview (window, FALSE);
4064     }
4065
4066   if (priv->call_state != CONNECTED)
4067     return;
4068
4069   g_object_get (priv->handler, "call-channel", &call, NULL);
4070   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
4071   empathy_call_channel_send_video (call, priv->sending_video);
4072   g_object_unref (call);
4073 }
4074
4075 static void
4076 empathy_call_window_hangup_cb (gpointer object,
4077     EmpathyCallWindow *self)
4078 {
4079   /* stopping the call will put it the ENDED state and
4080    * from state_changed_cb we'll reconfigure the window
4081    */
4082   empathy_call_handler_stop_call (self->priv->handler);
4083 }
4084
4085 static void
4086 empathy_call_window_restart_call (EmpathyCallWindow *window)
4087 {
4088   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4089
4090   /* Remove error info bars */
4091   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4092       (GtkCallback) gtk_widget_destroy, NULL);
4093
4094   create_video_output_widget (window);
4095   priv->outgoing = TRUE;
4096   empathy_call_window_set_state_connecting (window);
4097
4098   if (priv->pipeline_playing)
4099     start_call (window);
4100   else
4101     /* call will be started when the pipeline is ready */
4102     priv->start_call_when_playing = TRUE;
4103
4104   empathy_call_window_setup_avatars (window, priv->handler);
4105
4106   empathy_call_window_show_hangup_button (window, TRUE);
4107 }
4108
4109 static void
4110 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4111     EmpathyCallWindow *window)
4112 {
4113   gboolean active;
4114
4115   active = gtk_toggle_tool_button_get_active (button);
4116
4117   empathy_call_window_show_dialpad (window, active);
4118 }
4119
4120 static void
4121 empathy_call_window_fullscreen_cb (gpointer object,
4122                                    EmpathyCallWindow *window)
4123 {
4124   empathy_call_window_fullscreen_toggle (window);
4125 }
4126
4127 static void
4128 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4129 {
4130   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4131
4132   if (priv->is_fullscreen)
4133     gtk_window_unfullscreen (GTK_WINDOW (window));
4134   else
4135     gtk_window_fullscreen (GTK_WINDOW (window));
4136 }
4137
4138 static gboolean
4139 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4140   GdkEventButton *event, EmpathyCallWindow *window)
4141 {
4142   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4143     {
4144       empathy_call_window_video_menu_popup (window, event->button);
4145       return TRUE;
4146     }
4147
4148   return FALSE;
4149 }
4150
4151 static gboolean
4152 empathy_call_window_key_press_cb (GtkWidget *video_output,
4153   GdkEventKey *event, EmpathyCallWindow *window)
4154 {
4155   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4156   gchar key;
4157
4158   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4159     {
4160       /* Since we are in fullscreen mode, toggling will bring us back to
4161          normal mode. */
4162       empathy_call_window_fullscreen_toggle (window);
4163       return TRUE;
4164     }
4165
4166   key = gdk_keyval_to_unicode (event->keyval);
4167   switch (key)
4168     {
4169       case '0':
4170       case '1':
4171       case '2':
4172       case '3':
4173       case '4':
4174       case '5':
4175       case '6':
4176       case '7':
4177       case '8':
4178       case '9':
4179       case '*':
4180       case '#':
4181         break;
4182       default:
4183         return TRUE;
4184         break;
4185     }
4186
4187   gtk_toggle_tool_button_set_active (
4188       GTK_TOGGLE_TOOL_BUTTON (priv->dialpad_button), TRUE);
4189
4190   empathy_dialpad_widget_press_key (
4191       EMPATHY_DIALPAD_WIDGET (priv->dtmf_panel), key);
4192
4193   return TRUE;
4194 }
4195
4196 static gboolean
4197 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4198     GdkEventMotion *event, EmpathyCallWindow *window)
4199 {
4200   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4201
4202   if (priv->is_fullscreen)
4203     {
4204       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4205
4206       /* Show the bottom toolbar */
4207       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4208       return TRUE;
4209     }
4210   return FALSE;
4211 }
4212
4213 static void
4214 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4215   guint button)
4216 {
4217   GtkWidget *menu;
4218   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4219
4220   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4221             "/video-popup");
4222   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4223       button, gtk_get_current_event_time ());
4224   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4225 }
4226
4227 static void
4228 empathy_call_window_status_message (EmpathyCallWindow *self,
4229   gchar *message)
4230 {
4231   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4232 }
4233
4234 GtkUIManager *
4235 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4236 {
4237   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4238
4239   return priv->ui_manager;
4240 }
4241
4242 EmpathyGstAudioSrc *
4243 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4244 {
4245   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4246
4247   return (EmpathyGstAudioSrc *) priv->audio_input;
4248 }
4249
4250 EmpathyGstVideoSrc *
4251 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4252 {
4253   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4254 }
4255
4256 void
4257 empathy_call_window_change_webcam (EmpathyCallWindow *self,
4258     const gchar *device)
4259 {
4260   EmpathyGstVideoSrc *video;
4261   gboolean running;
4262
4263   /* Restart the camera only if it's already running */
4264   running = (self->priv->video_preview != NULL);
4265   video = empathy_call_window_get_video_src (self);
4266
4267   if (running)
4268     empathy_call_window_play_camera (self, FALSE);
4269
4270   empathy_video_src_change_device (video, device);
4271
4272   if (running)
4273     empathy_call_window_play_camera (self, TRUE);
4274 }