src/empathy-call-window.c

   1 /*
   2  * empathy-call-window.c - Source for EmpathyCallWindow
   3  * Copyright (C) 2008-2011 Collabora Ltd.
   4  * @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 #include <math.h>
  27
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gst/gst.h>
  30 #include <gtk/gtk.h>
  31 #include <glib/gi18n.h>
  32
  33 #include <clutter/clutter.h>
  34 #include <clutter-gtk/clutter-gtk.h>
  35 #include <clutter-gst/clutter-gst.h>
  36
  37 #include <telepathy-glib/util.h>
  38 #include <telepathy-farstream/telepathy-farstream.h>
  39 #include <telepathy-glib/util.h>
  40
  41 #include <gst/farsight/fs-element-added-notifier.h>
  42 #include <gst/farsight/fs-utils.h>
  43
  44 #include <libempathy/empathy-camera-monitor.h>
  45 #include <libempathy/empathy-gsettings.h>
  46 #include <libempathy/empathy-tp-contact-factory.h>
  47 #include <libempathy/empathy-request-util.h>
  48 #include <libempathy/empathy-utils.h>
  49
  50 #include <libempathy-gtk/empathy-avatar-image.h>
  51 #include <libempathy-gtk/empathy-dialpad-widget.h>
  52 #include <libempathy-gtk/empathy-ui-utils.h>
  53 #include <libempathy-gtk/empathy-sound-manager.h>
  54 #include <libempathy-gtk/empathy-geometry.h>
  55 #include <libempathy-gtk/empathy-images.h>
  56
  57 #define DEBUG_FLAG EMPATHY_DEBUG_VOIP
  58 #include <libempathy/empathy-debug.h>
  59
  60 #include "empathy-call-window.h"
  61 #include "empathy-call-window-fullscreen.h"
  62 #include "empathy-call-factory.h"
  63 #include "empathy-video-widget.h"
  64 #include "empathy-about-dialog.h"
  65 #include "empathy-audio-src.h"
  66 #include "empathy-audio-sink.h"
  67 #include "empathy-video-src.h"
  68 #include "empathy-mic-menu.h"
  69 #include "empathy-preferences.h"
  70 #include "empathy-rounded-actor.h"
  71 #include "empathy-rounded-rectangle.h"
  72 #include "empathy-rounded-texture.h"
  73 #include "empathy-camera-menu.h"
  74
  75 #define CONTENT_HBOX_BORDER_WIDTH 6
  76 #define CONTENT_HBOX_SPACING 3
  77 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 3
  78
  79 #define SELF_VIDEO_SECTION_WIDTH 120
  80 #define SELF_VIDEO_SECTION_HEIGHT 90
  81 #define SELF_VIDEO_SECTION_MARGIN 10
  82
  83 #define FLOATING_TOOLBAR_OPACITY 192
  84 #define FLOATING_TOOLBAR_WIDTH 280
  85 #define FLOATING_TOOLBAR_HEIGHT 36
  86 #define FLOATING_TOOLBAR_SPACING 20
  87
  88 /* The avatar's default width and height are set to the same value because we
  89    want a square icon. */
  90 #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  91 #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT \
  92   EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT
  93
  94 #define SMALL_TOOLBAR_SIZE 36
  95
  96 /* If an video input error occurs, the error message will start with "v4l" */
  97 #define VIDEO_INPUT_ERROR_PREFIX "v4l"
  98
  99 /* The time interval in milliseconds between 2 outgoing rings */
 100 #define MS_BETWEEN_RING 500
 101
 102 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW)
 103
 104 enum {
 105   PROP_CALL_HANDLER = 1,
 106 };
 107
 108 typedef enum {
 109   RINGING,       /* Incoming call */
 110   CONNECTING,    /* Outgoing call */
 111   CONNECTED,     /* Connected */
 112   HELD,          /* Connected, but on hold */
 113   DISCONNECTED,  /* Disconnected */
 114   REDIALING      /* Redialing (special case of CONNECTING) */
 115 } CallState;
 116
 117 typedef enum {
 118   CAMERA_STATE_OFF = 0,
 119   CAMERA_STATE_ON,
 120 } CameraState;
 121
 122 typedef enum {
 123   PREVIEW_POS_NONE,
 124   PREVIEW_POS_TOP_LEFT,
 125   PREVIEW_POS_TOP_RIGHT,
 126   PREVIEW_POS_BOTTOM_LEFT,
 127   PREVIEW_POS_BOTTOM_RIGHT,
 128 } PreviewPosition;
 129
 130 struct _EmpathyCallWindowPriv
 131 {
 132   gboolean dispose_has_run;
 133   EmpathyCallHandler *handler;
 134
 135   EmpathyContact *contact;
 136
 137   EmpathyCameraMonitor *camera_monitor;
 138
 139   guint call_state;
 140   gboolean outgoing;
 141
 142   GtkUIManager *ui_manager;
 143   GtkWidget *errors_vbox;
 144   /* widget displays the video received from the remote user. This widget is
 145    * alive only during call. */
 146   ClutterActor *video_output;
 147   ClutterActor *video_preview;
 148   ClutterActor *drag_preview;
 149   ClutterActor *preview_shown_button;
 150   ClutterActor *preview_hidden_button;
 151   ClutterActor *preview_rectangle1;
 152   ClutterActor *preview_rectangle2;
 153   ClutterActor *preview_rectangle3;
 154   ClutterActor *preview_rectangle4;
 155   ClutterActor *preview_rectangle_box1;
 156   ClutterActor *preview_rectangle_box2;
 157   ClutterActor *preview_rectangle_box3;
 158   ClutterActor *preview_rectangle_box4;
 159   ClutterActor *preview_spinner_actor;
 160   GtkWidget *preview_spinner_widget;
 161   GtkWidget *video_container;
 162   GtkWidget *remote_user_avatar_widget;
 163   GtkWidget *remote_user_avatar_toolbar;
 164   GtkWidget *remote_user_name_toolbar;
 165   GtkWidget *status_label;
 166   GtkWidget *hangup_button;
 167   GtkWidget *audio_call_button;
 168   GtkWidget *video_call_button;
 169   GtkWidget *mic_button;
 170   GtkWidget *volume_button;
 171   GtkWidget *camera_button;
 172   GtkWidget *dialpad_button;
 173   GtkWidget *toolbar;
 174   GtkWidget *bottom_toolbar;
 175   ClutterActor *floating_toolbar;
 176   GtkWidget *pane;
 177   GtkAction *menu_fullscreen;
 178   GtkAction *menu_swap_camera;
 179
 180   ClutterState *transitions;
 181
 182   /* The box that contains self and remote avatar and video
 183      input/output. When we redial, we destroy and re-create the box */
 184   ClutterActor *video_box;
 185   ClutterLayoutManager *video_layout;
 186
 187   /* Coordinates of the preview drag event's start. */
 188   PreviewPosition preview_pos;
 189
 190   /* We keep a reference on the hbox which contains the main content so we can
 191      easilly repack everything when toggling fullscreen */
 192   GtkWidget *content_hbox;
 193
 194   /* These are used to accept or reject an incoming call when the status
 195      is RINGING. */
 196   GtkWidget *incoming_call_dialog;
 197   TpyCallChannel *pending_channel;
 198   TpChannelDispatchOperation *pending_cdo;
 199   TpAddDispatchOperationContext *pending_context;
 200
 201   gulong video_output_motion_handler_id;
 202   guint bus_message_source_id;
 203
 204   /* String that contains the queued tones to send after the current ones
 205      are sent */
 206   GString *tones;
 207   gboolean sending_tones;
 208   GtkWidget *dtmf_panel;
 209
 210   /* Details vbox */
 211   GtkWidget *details_vbox;
 212   GtkWidget *vcodec_encoding_label;
 213   GtkWidget *acodec_encoding_label;
 214   GtkWidget *vcodec_decoding_label;
 215   GtkWidget *acodec_decoding_label;
 216
 217   GtkWidget *audio_remote_candidate_label;
 218   GtkWidget *audio_local_candidate_label;
 219   GtkWidget *video_remote_candidate_label;
 220   GtkWidget *video_local_candidate_label;
 221   GtkWidget *video_remote_candidate_info_img;
 222   GtkWidget *video_local_candidate_info_img;
 223   GtkWidget *audio_remote_candidate_info_img;
 224   GtkWidget *audio_local_candidate_info_img;
 225
 226   GstElement *video_input;
 227   GstElement *video_preview_sink;
 228   GstElement *video_output_sink;
 229   GstElement *audio_input;
 230   GstElement *audio_output;
 231   gboolean audio_output_added;
 232   GstElement *pipeline;
 233   GstElement *video_tee;
 234
 235   GstElement *funnel;
 236
 237   GList *notifiers;
 238
 239   GTimer *timer;
 240   guint timer_id;
 241
 242   GMutex *lock;
 243   gboolean call_started;
 244   gboolean sending_video;
 245   CameraState camera_state;
 246
 247   EmpathyCallWindowFullscreen *fullscreen;
 248   gboolean is_fullscreen;
 249
 250   gboolean got_video;
 251   guint got_video_src;
 252
 253   guint inactivity_src;
 254
 255   /* Those fields represent the state of the window before it actually was in
 256      fullscreen mode. */
 257   gboolean dialpad_was_visible_before_fs;
 258   gint original_width_before_fs;
 259   gint original_height_before_fs;
 260
 261   gint x, y, w, h, dialpad_width;
 262   gboolean maximized;
 263
 264   /* TRUE if the call should be started when the pipeline is playing */
 265   gboolean start_call_when_playing;
 266   /* TRUE if we requested to set the pipeline in the playing state */
 267   gboolean pipeline_playing;
 268
 269   EmpathySoundManager *sound_mgr;
 270
 271   GSettings *settings;
 272   EmpathyMicMenu *mic_menu;
 273   EmpathyCameraMenu *camera_menu;
 274 };
 275
 276 #define GET_PRIV(o) (EMPATHY_CALL_WINDOW (o)->priv)
 277
 278 static void empathy_call_window_realized_cb (GtkWidget *widget,
 279   EmpathyCallWindow *window);
 280
 281 static gboolean empathy_call_window_delete_cb (GtkWidget *widget,
 282   GdkEvent *event, EmpathyCallWindow *window);
 283
 284 static gboolean empathy_call_window_state_event_cb (GtkWidget *widget,
 285   GdkEventWindowState *event, EmpathyCallWindow *window);
 286
 287 static void empathy_call_window_set_send_video (EmpathyCallWindow *window,
 288   CameraState state);
 289
 290 static void empathy_call_window_hangup_cb (gpointer object,
 291   EmpathyCallWindow *window);
 292
 293 static void empathy_call_window_fullscreen_cb (gpointer object,
 294   EmpathyCallWindow *window);
 295
 296 static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window);
 297
 298 static gboolean empathy_call_window_video_button_press_cb (
 299   GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window);
 300
 301 static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output,
 302   GdkEventKey *event, EmpathyCallWindow *window);
 303
 304 static gboolean empathy_call_window_video_output_motion_notify (
 305   GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window);
 306
 307 static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
 308   guint button);
 309
 310 static void empathy_call_window_connect_handler (EmpathyCallWindow *self);
 311
 312 static void empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
 313   EmpathyCallWindow *window);
 314
 315 static void empathy_call_window_restart_call (EmpathyCallWindow *window);
 316
 317 static void empathy_call_window_status_message (EmpathyCallWindow *window,
 318   gchar *message);
 319
 320 static gboolean empathy_call_window_bus_message (GstBus *bus,
 321   GstMessage *message, gpointer user_data);
 322
 323 static void
 324 empathy_call_window_show_hangup_button (EmpathyCallWindow *self,
 325     gboolean show)
 326 {
 327   gtk_widget_set_visible (self->priv->hangup_button, show);
 328   gtk_widget_set_visible (self->priv->audio_call_button, !show);
 329   gtk_widget_set_visible (self->priv->video_call_button, !show);
 330 }
 331
 332 static void
 333 empathy_call_window_audio_call_cb (GtkToggleToolButton *button,
 334     EmpathyCallWindow *self)
 335 {
 336   g_object_set (self->priv->handler, "initial-video", FALSE, NULL);
 337   empathy_call_window_restart_call (self);
 338 }
 339
 340 static void
 341 empathy_call_window_video_call_cb (GtkToggleToolButton *button,
 342     EmpathyCallWindow *self)
 343 {
 344   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
 345   g_object_set (self->priv->handler, "initial-video", TRUE, NULL);
 346   empathy_call_window_restart_call (self);
 347 }
 348
 349 static void
 350 empathy_call_window_emit_tones (EmpathyCallWindow *self)
 351 {
 352   TpChannel *channel;
 353
 354   if (tp_str_empty (self->priv->tones->str))
 355     return;
 356
 357   g_object_get (self->priv->handler, "call-channel", &channel, NULL);
 358
 359   DEBUG ("Emitting multiple tones: %s", self->priv->tones->str);
 360
 361   tp_cli_channel_interface_dtmf_call_multiple_tones (channel, -1,
 362       self->priv->tones->str,
 363       NULL, NULL, NULL, NULL);
 364
 365   self->priv->sending_tones = TRUE;
 366
 367   g_string_set_size (self->priv->tones, 0);
 368
 369   g_object_unref (channel);
 370 }
 371
 372 static void
 373 empathy_call_window_maybe_emit_tones (EmpathyCallWindow *self)
 374 {
 375   if (self->priv->sending_tones)
 376     return;
 377
 378   empathy_call_window_emit_tones (self);
 379 }
 380
 381 static void
 382 empathy_call_window_tones_stopped_cb (TpChannel *proxy,
 383     gboolean arg_cancelled,
 384     gpointer user_data,
 385     GObject *weak_object)
 386 {
 387   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
 388
 389   self->priv->sending_tones = FALSE;
 390
 391   empathy_call_window_emit_tones (self);
 392 }
 393
 394 static void
 395 dtmf_start_tone_cb (EmpathyDialpadWidget *dialpad,
 396     TpDTMFEvent event,
 397     EmpathyCallWindow *self)
 398 {
 399   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 400
 401   g_string_append_c (priv->tones, tp_dtmf_event_to_char (event));
 402
 403   empathy_call_window_maybe_emit_tones (self);
 404 }
 405
 406 static void
 407 empathy_call_window_raise_actors (EmpathyCallWindow *self)
 408 {
 409   clutter_actor_raise_top (self->priv->floating_toolbar);
 410
 411   clutter_actor_raise_top (self->priv->preview_rectangle_box1);
 412   clutter_actor_raise_top (self->priv->preview_rectangle_box2);
 413   clutter_actor_raise_top (self->priv->preview_rectangle_box3);
 414   clutter_actor_raise_top (self->priv->preview_rectangle_box4);
 415 }
 416
 417 static void
 418 empathy_call_window_show_video_output (EmpathyCallWindow *self,
 419     gboolean show)
 420 {
 421   if (self->priv->video_output != NULL)
 422     g_object_set (self->priv->video_output, "visible", show, NULL);
 423
 424   gtk_widget_set_visible (self->priv->remote_user_avatar_widget, !show);
 425
 426   empathy_call_window_raise_actors (self);
 427 }
 428
 429 static void
 430 create_video_output_widget (EmpathyCallWindow *self)
 431 {
 432   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 433
 434   g_assert (priv->video_output == NULL);
 435   g_assert (priv->pipeline != NULL);
 436
 437   priv->video_output = clutter_texture_new ();
 438
 439   clutter_texture_set_keep_aspect_ratio (CLUTTER_TEXTURE (priv->video_output),
 440       TRUE);
 441
 442   priv->video_output_sink = clutter_gst_video_sink_new (
 443       CLUTTER_TEXTURE (priv->video_output));
 444
 445   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
 446       priv->video_output);
 447
 448   gtk_widget_add_events (priv->video_container,
 449       GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK);
 450   g_signal_connect (G_OBJECT (priv->video_container), "button-press-event",
 451       G_CALLBACK (empathy_call_window_video_button_press_cb), self);
 452 }
 453
 454 static void
 455 create_video_input (EmpathyCallWindow *self)
 456 {
 457   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 458
 459   g_assert (priv->video_input == NULL);
 460   priv->video_input = empathy_video_src_new ();
 461   gst_object_ref (priv->video_input);
 462   gst_object_sink (priv->video_input);
 463 }
 464
 465 static gboolean
 466 audio_control_volume_to_element (GBinding *binding,
 467   const GValue *source_value,
 468   GValue *target_value,
 469   gpointer user_data)
 470 {
 471   /* AudioControl volume is 0-255, with -1 for unknown */
 472   gint hv;
 473
 474   hv = g_value_get_int (source_value);
 475   if (hv < 0)
 476     return FALSE;
 477
 478   hv = MIN (hv, 255);
 479   g_value_set_double (target_value, hv/255.0);
 480
 481   return TRUE;
 482 }
 483
 484 static gboolean
 485 element_volume_to_audio_control (GBinding *binding,
 486   const GValue *source_value,
 487   GValue *target_value,
 488   gpointer user_data)
 489 {
 490   gdouble ev;
 491
 492   ev = g_value_get_double (source_value);
 493   ev = CLAMP (ev, 0.0, 1.0);
 494
 495   g_value_set_int (target_value, ev * 255);
 496   return TRUE;
 497 }
 498
 499 static void
 500 create_audio_input (EmpathyCallWindow *self)
 501 {
 502   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 503
 504   g_assert (priv->audio_input == NULL);
 505   priv->audio_input = empathy_audio_src_new ();
 506   gst_object_ref (priv->audio_input);
 507   gst_object_sink (priv->audio_input);
 508
 509   g_object_bind_property (priv->mic_button, "active",
 510     priv->audio_input, "mute",
 511     G_BINDING_BIDIRECTIONAL |
 512       G_BINDING_INVERT_BOOLEAN | G_BINDING_SYNC_CREATE);
 513 }
 514
 515 static void
 516 add_video_preview_to_pipeline (EmpathyCallWindow *self)
 517 {
 518   EmpathyCallWindowPriv *priv = GET_PRIV (self);
 519   GstElement *preview;
 520
 521   g_assert (priv->video_preview != NULL);
 522   g_assert (priv->pipeline != NULL);
 523   g_assert (priv->video_input != NULL);
 524   g_assert (priv->video_tee != NULL);
 525
 526   preview = priv->video_preview_sink;
 527
 528   if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input))
 529     {
 530       g_warning ("Could not add video input to pipeline");
 531       return;
 532     }
 533
 534   if (!gst_bin_add (GST_BIN (priv->pipeline), preview))
 535     {
 536       g_warning ("Could not add video preview to pipeline");
 537       return;
 538     }
 539
 540   if (!gst_element_link (priv->video_input, priv->video_tee))
 541     {
 542       g_warning ("Could not link video input to video tee");
 543       return;
 544     }
 545
 546   if (!gst_element_link (priv->video_tee, preview))
 547     {
 548       g_warning ("Could not link video tee to video preview");
 549       return;
 550     }
 551 }
 552
 553 static void
 554 empathy_call_window_disable_camera_cb (GtkAction *action,
 555     EmpathyCallWindow *self)
 556 {
 557   clutter_actor_destroy (self->priv->preview_hidden_button);
 558
 559   gtk_toggle_tool_button_set_active (
 560       GTK_TOGGLE_TOOL_BUTTON (self->priv->camera_button), FALSE);
 561 }
 562
 563 static void
 564 empathy_call_window_minimise_camera_cb (GtkAction *action,
 565     EmpathyCallWindow *self)
 566 {
 567   clutter_actor_hide (self->priv->video_preview);
 568   clutter_actor_show (self->priv->preview_hidden_button);
 569 }
 570
 571 static void
 572 empathy_call_window_maximise_camera_cb (GtkAction *action,
 573     EmpathyCallWindow *self)
 574 {
 575   clutter_actor_show (self->priv->video_preview);
 576   clutter_actor_hide (self->priv->preview_hidden_button);
 577 }
 578
 579 static void
 580 empathy_call_window_swap_camera_cb (GtkAction *action,
 581     EmpathyCallWindow *self)
 582 {
 583   const GList *cameras, *l;
 584   gchar *current_cam;
 585
 586   DEBUG ("Swapping the camera");
 587
 588   cameras = empathy_camera_monitor_get_cameras (self->priv->camera_monitor);
 589   current_cam = empathy_video_src_dup_device (
 590       EMPATHY_GST_VIDEO_SRC (self->priv->video_input));
 591
 592   for (l = cameras; l != NULL; l = l->next)
 593     {
 594       EmpathyCamera *camera = l->data;
 595
 596       if (!tp_strdiff (camera->device, current_cam))
 597         {
 598           EmpathyCamera *next;
 599
 600           if (l->next != NULL)
 601             next = l->next->data;
 602           else
 603             next = cameras->data;
 604
 605           /* EmpathyCameraMenu will update itself and do the actual change
 606            * for us */
 607           g_settings_set_string (self->priv->settings,
 608               EMPATHY_PREFS_CALL_CAMERA_DEVICE,
 609               next->device);
 610
 611           break;
 612         }
 613     }
 614
 615   g_free (current_cam);
 616 }
 617
 618 static void
 619 empathy_call_window_camera_added_cb (EmpathyCameraMonitor *monitor,
 620     EmpathyCamera *camera,
 621     EmpathyCallWindow *self)
 622 {
 623   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 624
 625   gtk_action_set_visible (self->priv->menu_swap_camera,
 626       g_list_length ((GList *) cameras) >= 2);
 627 }
 628
 629 static void
 630 empathy_call_window_camera_removed_cb (EmpathyCameraMonitor *monitor,
 631     EmpathyCamera *camera,
 632     EmpathyCallWindow *self)
 633 {
 634   const GList *cameras = empathy_camera_monitor_get_cameras (monitor);
 635
 636   gtk_action_set_visible (self->priv->menu_swap_camera,
 637       g_list_length ((GList *) cameras) >= 2);
 638 }
 639
 640 static void
 641 empathy_call_window_preview_button_clicked_cb (GtkButton *button,
 642     EmpathyCallWindow *self)
 643 {
 644   GtkWidget *menu;
 645
 646   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 647       "/preview-menu");
 648   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 649       0, gtk_get_current_event_time ());
 650   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 651 }
 652
 653 static void
 654 empathy_call_window_preview_hidden_button_clicked_cb (GtkButton *button,
 655     EmpathyCallWindow *self)
 656 {
 657   GtkWidget *menu;
 658
 659   menu = gtk_ui_manager_get_widget (self->priv->ui_manager,
 660       "/preview-hidden-menu");
 661   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
 662       0, gtk_get_current_event_time ());
 663   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
 664 }
 665
 666 static ClutterActor *
 667 empathy_call_window_create_preview_rectangle (EmpathyCallWindow *self,
 668     ClutterActor **box,
 669     ClutterBinAlignment x,
 670     ClutterBinAlignment y)
 671 {
 672   ClutterLayoutManager *layout1, *layout2;
 673   ClutterActor *rectangle;
 674   ClutterActor *box1, *box2;
 675
 676   layout1 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 677       CLUTTER_BIN_ALIGNMENT_START);
 678
 679   box1 = clutter_box_new (layout1);
 680
 681   *box = box1;
 682
 683   rectangle = empathy_rounded_rectangle_new (
 684       SELF_VIDEO_SECTION_WIDTH + 5,
 685       SELF_VIDEO_SECTION_HEIGHT + 5);
 686
 687   clutter_actor_set_size (box1,
 688       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 689       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
 690       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
 691
 692   layout2 = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
 693       CLUTTER_BIN_ALIGNMENT_CENTER);
 694
 695   /* We have a box with the margins and the video in the middle inside
 696    * a bigger box with an extra bottom margin so we're not on top of
 697    * the floating toolbar. */
 698   box2 = clutter_box_new (layout2);
 699
 700   clutter_actor_set_size (box2,
 701       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
 702       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
 703
 704   clutter_container_add_actor (CLUTTER_CONTAINER (box1), box2);
 705   clutter_container_add_actor (CLUTTER_CONTAINER (box2), rectangle);
 706
 707   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (self->priv->video_layout),
 708       box1, x, y);
 709
 710   clutter_actor_hide (rectangle);
 711
 712   return rectangle;
 713 }
 714
 715 static void
 716 empathy_call_window_create_preview_rectangles (EmpathyCallWindow *self)
 717 {
 718   self->priv->preview_rectangle1 =
 719       empathy_call_window_create_preview_rectangle (self,
 720           &self->priv->preview_rectangle_box1,
 721           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_START);
 722   self->priv->preview_rectangle2 =
 723       empathy_call_window_create_preview_rectangle (self,
 724           &self->priv->preview_rectangle_box2,
 725           CLUTTER_BIN_ALIGNMENT_START, CLUTTER_BIN_ALIGNMENT_END);
 726   self->priv->preview_rectangle3 =
 727       empathy_call_window_create_preview_rectangle (self,
 728           &self->priv->preview_rectangle_box3,
 729           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_START);
 730   self->priv->preview_rectangle4 =
 731       empathy_call_window_create_preview_rectangle (self,
 732           &self->priv->preview_rectangle_box4,
 733           CLUTTER_BIN_ALIGNMENT_END, CLUTTER_BIN_ALIGNMENT_END);
 734 }
 735
 736 static void
 737 empathy_call_window_show_preview_rectangles (EmpathyCallWindow *self,
 738     gboolean show)
 739 {
 740   g_object_set (self->priv->preview_rectangle1, "visible", show, NULL);
 741   g_object_set (self->priv->preview_rectangle2, "visible", show, NULL);
 742   g_object_set (self->priv->preview_rectangle3, "visible", show, NULL);
 743   g_object_set (self->priv->preview_rectangle4, "visible", show, NULL);
 744 }
 745
 746 static void
 747 empathy_call_window_get_preview_coordinates (EmpathyCallWindow *self,
 748     PreviewPosition pos,
 749     guint *x,
 750     guint *y)
 751 {
 752   guint ret_x = 0, ret_y = 0;
 753   ClutterGeometry box;
 754
 755   if (!clutter_actor_has_allocation (self->priv->video_box))
 756     goto out;
 757
 758   clutter_actor_get_geometry (self->priv->video_box, &box);
 759
 760   switch (pos)
 761     {
 762       case PREVIEW_POS_TOP_LEFT:
 763         ret_x = ret_y = SELF_VIDEO_SECTION_MARGIN;
 764         break;
 765       case PREVIEW_POS_TOP_RIGHT:
 766         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 767             - SELF_VIDEO_SECTION_WIDTH;
 768         ret_y = SELF_VIDEO_SECTION_MARGIN;
 769         break;
 770       case PREVIEW_POS_BOTTOM_LEFT:
 771         ret_x = SELF_VIDEO_SECTION_MARGIN;
 772         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 773             - SELF_VIDEO_SECTION_HEIGHT
 774             - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING;
 775         break;
 776       case PREVIEW_POS_BOTTOM_RIGHT:
 777         ret_x = box.width - SELF_VIDEO_SECTION_MARGIN
 778             - SELF_VIDEO_SECTION_WIDTH;
 779         ret_y = box.height - SELF_VIDEO_SECTION_MARGIN
 780             - SELF_VIDEO_SECTION_HEIGHT - FLOATING_TOOLBAR_HEIGHT
 781             - FLOATING_TOOLBAR_SPACING;
 782         break;
 783       default:
 784         g_warn_if_reached ();
 785     }
 786
 787 out:
 788   if (x != NULL)
 789     *x = ret_x;
 790
 791   if (y != NULL)
 792     *y = ret_y;
 793 }
 794
 795 static PreviewPosition
 796 empathy_call_window_get_preview_position (EmpathyCallWindow *self,
 797     gfloat event_x,
 798     gfloat event_y)
 799 {
 800   ClutterGeometry box;
 801   PreviewPosition pos = PREVIEW_POS_NONE;
 802
 803   if (!clutter_actor_has_allocation (self->priv->video_box))
 804     return pos;
 805
 806   clutter_actor_get_geometry (self->priv->video_box, &box);
 807
 808   if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 809       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 810       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 811       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 812     {
 813       pos = PREVIEW_POS_TOP_LEFT;
 814     }
 815   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 816       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 817       0 + SELF_VIDEO_SECTION_MARGIN <= event_y &&
 818       event_y <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_HEIGHT))
 819     {
 820       pos = PREVIEW_POS_TOP_RIGHT;
 821     }
 822   else if (0 + SELF_VIDEO_SECTION_MARGIN <= event_x &&
 823       event_x <= (0 + SELF_VIDEO_SECTION_MARGIN + (gint) SELF_VIDEO_SECTION_WIDTH) &&
 824       box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 825       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 826     {
 827       pos = PREVIEW_POS_BOTTOM_LEFT;
 828     }
 829   else if (box.width - SELF_VIDEO_SECTION_MARGIN >= event_x &&
 830       event_x >= (box.width - SELF_VIDEO_SECTION_MARGIN - (gint) SELF_VIDEO_SECTION_WIDTH) &&
 831       box.height - SELF_VIDEO_SECTION_MARGIN - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING >= event_y &&
 832       event_y >= (box.height - SELF_VIDEO_SECTION_MARGIN - FLOATING_TOOLBAR_HEIGHT - FLOATING_TOOLBAR_SPACING - (gint) SELF_VIDEO_SECTION_HEIGHT))
 833     {
 834       pos = PREVIEW_POS_BOTTOM_RIGHT;
 835     }
 836
 837   return pos;
 838 }
 839
 840 static ClutterActor *
 841 empathy_call_window_get_preview_rectangle (EmpathyCallWindow *self,
 842     PreviewPosition pos)
 843 {
 844   ClutterActor *rectangle;
 845
 846   switch (pos)
 847     {
 848       case PREVIEW_POS_TOP_LEFT:
 849         rectangle = self->priv->preview_rectangle1;
 850         break;
 851       case PREVIEW_POS_TOP_RIGHT:
 852         rectangle = self->priv->preview_rectangle3;
 853         break;
 854       case PREVIEW_POS_BOTTOM_LEFT:
 855         rectangle = self->priv->preview_rectangle2;
 856         break;
 857       case PREVIEW_POS_BOTTOM_RIGHT:
 858         rectangle = self->priv->preview_rectangle4;
 859         break;
 860       default:
 861         rectangle = NULL;
 862     }
 863
 864   return rectangle;
 865 }
 866
 867 static void
 868 empathy_call_window_move_video_preview (EmpathyCallWindow *self,
 869     PreviewPosition pos)
 870 {
 871   ClutterBinLayout *layout = CLUTTER_BIN_LAYOUT (self->priv->video_layout);
 872
 873   DEBUG ("moving the video preview to %d", pos);
 874
 875   self->priv->preview_pos = pos;
 876
 877   switch (pos)
 878     {
 879       case PREVIEW_POS_TOP_LEFT:
 880         clutter_bin_layout_set_alignment (layout,
 881             self->priv->video_preview,
 882             CLUTTER_BIN_ALIGNMENT_START,
 883             CLUTTER_BIN_ALIGNMENT_START);
 884         break;
 885       case PREVIEW_POS_TOP_RIGHT:
 886         clutter_bin_layout_set_alignment (layout,
 887             self->priv->video_preview,
 888             CLUTTER_BIN_ALIGNMENT_END,
 889             CLUTTER_BIN_ALIGNMENT_START);
 890         break;
 891       case PREVIEW_POS_BOTTOM_LEFT:
 892         clutter_bin_layout_set_alignment (layout,
 893             self->priv->video_preview,
 894             CLUTTER_BIN_ALIGNMENT_START,
 895             CLUTTER_BIN_ALIGNMENT_END);
 896         break;
 897       case PREVIEW_POS_BOTTOM_RIGHT:
 898         clutter_bin_layout_set_alignment (layout,
 899             self->priv->video_preview,
 900             CLUTTER_BIN_ALIGNMENT_END,
 901             CLUTTER_BIN_ALIGNMENT_END);
 902         break;
 903       default:
 904         g_warn_if_reached ();
 905     }
 906
 907   g_settings_set_enum (self->priv->settings, "camera-position", pos);
 908 }
 909
 910 static void
 911 empathy_call_window_highlight_preview_rectangle (EmpathyCallWindow *self,
 912     PreviewPosition pos)
 913 {
 914   ClutterActor *rectangle;
 915
 916   rectangle = empathy_call_window_get_preview_rectangle (self, pos);
 917
 918   empathy_rounded_rectangle_set_border_width (
 919       EMPATHY_ROUNDED_RECTANGLE (rectangle), 5);
 920   empathy_rounded_rectangle_set_border_color (
 921       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Red);
 922 }
 923
 924 static void
 925 empathy_call_window_darken_preview_rectangle (EmpathyCallWindow *self,
 926     ClutterActor *rectangle)
 927 {
 928   empathy_rounded_rectangle_set_border_width (
 929       EMPATHY_ROUNDED_RECTANGLE (rectangle), 1);
 930   empathy_rounded_rectangle_set_border_color (
 931       EMPATHY_ROUNDED_RECTANGLE (rectangle), CLUTTER_COLOR_Black);
 932 }
 933
 934 static void
 935 empathy_call_window_darken_preview_rectangles (EmpathyCallWindow *self)
 936 {
 937   ClutterActor *rectangle;
 938
 939   rectangle = empathy_call_window_get_preview_rectangle (self,
 940       self->priv->preview_pos);
 941
 942   /* We don't want to darken the rectangle where the preview
 943    * currently is. */
 944
 945   if (self->priv->preview_rectangle1 != rectangle)
 946     empathy_call_window_darken_preview_rectangle (self,
 947         self->priv->preview_rectangle1);
 948
 949   if (self->priv->preview_rectangle2 != rectangle)
 950     empathy_call_window_darken_preview_rectangle (self,
 951         self->priv->preview_rectangle2);
 952
 953   if (self->priv->preview_rectangle3 != rectangle)
 954     empathy_call_window_darken_preview_rectangle (self,
 955         self->priv->preview_rectangle3);
 956
 957   if (self->priv->preview_rectangle4 != rectangle)
 958     empathy_call_window_darken_preview_rectangle (self,
 959         self->priv->preview_rectangle4);
 960 }
 961
 962 static void
 963 empathy_call_window_preview_on_drag_begin_cb (ClutterDragAction *action,
 964     ClutterActor *actor,
 965     gfloat event_x,
 966     gfloat event_y,
 967     ClutterModifierType modifiers,
 968     EmpathyCallWindow *self)
 969 {
 970   ClutterActor *stage = clutter_actor_get_stage (actor);
 971   gfloat rel_x, rel_y;
 972
 973   self->priv->drag_preview = clutter_clone_new (actor);
 974
 975   clutter_container_add_actor (CLUTTER_CONTAINER (stage),
 976       self->priv->drag_preview);
 977
 978   clutter_actor_transform_stage_point (actor, event_x, event_y,
 979       &rel_x, &rel_y);
 980
 981   clutter_actor_set_position (self->priv->drag_preview,
 982       event_x - rel_x, event_y - rel_y);
 983
 984   clutter_drag_action_set_drag_handle (action,
 985       self->priv->drag_preview);
 986
 987   clutter_actor_set_opacity (actor, 0);
 988   clutter_actor_hide (self->priv->preview_shown_button);
 989
 990   empathy_call_window_show_preview_rectangles (self, TRUE);
 991   empathy_call_window_darken_preview_rectangles (self);
 992 }
 993
 994 static void
 995 empathy_call_window_on_animation_completed_cb (ClutterAnimation *animation,
 996     ClutterActor *actor)
 997 {
 998   clutter_actor_set_opacity (actor, 255);
 999 }
1000
1001 static void
1002 empathy_call_window_preview_on_drag_end_cb (ClutterDragAction *action,
1003     ClutterActor *actor,
1004     gfloat event_x,
1005     gfloat event_y,
1006     ClutterModifierType modifiers,
1007     EmpathyCallWindow *self)
1008 {
1009   PreviewPosition pos;
1010   guint x, y;
1011
1012   /* Get the position before destroying the drag actor, otherwise the
1013    * preview_box allocation won't be valid and we won't be able to
1014    * calculate the position. */
1015   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1016
1017   empathy_call_window_get_preview_coordinates (self,
1018       pos != PREVIEW_POS_NONE ? pos : self->priv->preview_pos,
1019       &x, &y);
1020
1021   /* Move the preview to the destination and destroy it afterwards */
1022   clutter_actor_animate (self->priv->drag_preview, CLUTTER_LINEAR, 500,
1023       "x", (gfloat) x,
1024       "y", (gfloat) y,
1025       "signal-swapped-after::completed",
1026         clutter_actor_destroy, self->priv->drag_preview,
1027       "signal-swapped-after::completed",
1028         clutter_actor_show, self->priv->preview_shown_button,
1029       "signal::completed",
1030         empathy_call_window_on_animation_completed_cb, actor,
1031       NULL);
1032
1033   self->priv->drag_preview = NULL;
1034
1035   if (pos != PREVIEW_POS_NONE)
1036     empathy_call_window_move_video_preview (self, pos);
1037
1038   empathy_call_window_show_preview_rectangles (self, FALSE);
1039 }
1040
1041 static void
1042 empathy_call_window_preview_on_drag_motion_cb (ClutterDragAction *action,
1043     ClutterActor *actor,
1044     gfloat delta_x,
1045     gfloat delta_y,
1046     EmpathyCallWindow *self)
1047 {
1048   PreviewPosition pos;
1049   gfloat event_x, event_y;
1050
1051   clutter_drag_action_get_motion_coords (action, &event_x, &event_y);
1052
1053   pos = empathy_call_window_get_preview_position (self, event_x, event_y);
1054
1055   if (pos != PREVIEW_POS_NONE)
1056     empathy_call_window_highlight_preview_rectangle (self, pos);
1057   else
1058     empathy_call_window_darken_preview_rectangles (self);
1059 }
1060
1061 static gboolean
1062 empathy_call_window_preview_enter_event_cb (ClutterActor *actor,
1063     ClutterCrossingEvent *event,
1064     EmpathyCallWindow *self)
1065 {
1066   ClutterActor *rectangle;
1067
1068   rectangle = empathy_call_window_get_preview_rectangle (self,
1069       self->priv->preview_pos);
1070
1071   empathy_call_window_highlight_preview_rectangle (self,
1072       self->priv->preview_pos);
1073
1074   clutter_actor_show (rectangle);
1075
1076   return FALSE;
1077 }
1078
1079 static gboolean
1080 empathy_call_window_preview_leave_event_cb (ClutterActor *actor,
1081     ClutterCrossingEvent *event,
1082     EmpathyCallWindow *self)
1083 {
1084   ClutterActor *rectangle;
1085
1086   rectangle = empathy_call_window_get_preview_rectangle (self,
1087       self->priv->preview_pos);
1088
1089   empathy_call_window_darken_preview_rectangle (self, rectangle);
1090
1091   clutter_actor_hide (rectangle);
1092
1093   return FALSE;
1094 }
1095
1096 static void
1097 create_video_preview (EmpathyCallWindow *self)
1098 {
1099   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1100   ClutterLayoutManager *layout, *layout_center, *layout_end;
1101   ClutterActor *preview;
1102   ClutterActor *box;
1103   ClutterActor *b;
1104   ClutterAction *action;
1105   GtkWidget *button;
1106   PreviewPosition pos;
1107   GdkRGBA transparent = { 0., 0., 0., 0. };
1108
1109   g_assert (priv->video_preview == NULL);
1110
1111   pos = g_settings_get_enum (priv->settings, "camera-position");
1112
1113   preview = empathy_rounded_texture_new ();
1114   clutter_actor_set_size (preview,
1115       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1116   priv->video_preview_sink = clutter_gst_video_sink_new (
1117       CLUTTER_TEXTURE (preview));
1118
1119   /* Add a little offset to the video preview */
1120   layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1121       CLUTTER_BIN_ALIGNMENT_START);
1122   priv->video_preview = clutter_box_new (layout);
1123   clutter_actor_set_size (priv->video_preview,
1124       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1125       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN +
1126       FLOATING_TOOLBAR_HEIGHT + FLOATING_TOOLBAR_SPACING);
1127
1128   /* Spinner for when changing the camera device */
1129   priv->preview_spinner_widget = gtk_spinner_new ();
1130   priv->preview_spinner_actor = empathy_rounded_actor_new ();
1131   empathy_rounded_actor_set_round_factor (
1132       EMPATHY_ROUNDED_ACTOR (priv->preview_spinner_actor), 16);
1133
1134   g_object_set (priv->preview_spinner_widget, "expand", TRUE, NULL);
1135   gtk_widget_override_background_color (
1136       gtk_clutter_actor_get_widget (
1137           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor)),
1138       GTK_STATE_FLAG_NORMAL, &transparent);
1139   gtk_widget_show (priv->preview_spinner_widget);
1140
1141   gtk_container_add (
1142       GTK_CONTAINER (gtk_clutter_actor_get_widget (
1143           GTK_CLUTTER_ACTOR (priv->preview_spinner_actor))),
1144       priv->preview_spinner_widget);
1145   clutter_actor_set_size (priv->preview_spinner_actor,
1146       SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGHT);
1147   clutter_actor_set_opacity (priv->preview_spinner_actor, 128);
1148   clutter_actor_hide (priv->preview_spinner_actor);
1149
1150   /* We have a box with the margins and the video in the middle inside
1151    * a bigger box with an extra bottom margin so we're not on top of
1152    * the floating toolbar. */
1153   layout_center = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1154       CLUTTER_BIN_ALIGNMENT_CENTER);
1155   box = clutter_box_new (layout_center);
1156   clutter_actor_set_size (box,
1157       SELF_VIDEO_SECTION_WIDTH + 2 * SELF_VIDEO_SECTION_MARGIN,
1158       SELF_VIDEO_SECTION_HEIGHT + 2 * SELF_VIDEO_SECTION_MARGIN);
1159
1160   clutter_container_add_actor (CLUTTER_CONTAINER (box), preview);
1161   clutter_container_add_actor (CLUTTER_CONTAINER (box),
1162       priv->preview_spinner_actor);
1163   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1164
1165   g_object_set (priv->video_preview_sink,
1166       "sync", FALSE,
1167       "async", FALSE,
1168       NULL);
1169
1170   /* Translators: this is an "Info" label. It should be as short
1171    * as possible. */
1172   button = gtk_button_new_with_label (_("i"));
1173   priv->preview_shown_button = b = empathy_rounded_actor_new ();
1174   gtk_container_add (
1175       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1176       button);
1177   clutter_actor_set_size (b, 24, 24);
1178
1179   layout_end = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_END,
1180       CLUTTER_BIN_ALIGNMENT_END);
1181   box = clutter_box_new (layout_end);
1182   clutter_actor_set_size (box,
1183       SELF_VIDEO_SECTION_WIDTH,
1184       SELF_VIDEO_SECTION_HEIGHT + SELF_VIDEO_SECTION_MARGIN);
1185
1186   clutter_container_add_actor (CLUTTER_CONTAINER (box), b);
1187   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_preview), box);
1188
1189   g_signal_connect (button, "clicked",
1190       G_CALLBACK (empathy_call_window_preview_button_clicked_cb),
1191       self);
1192
1193   /* Translators: this is an "Info" label. It should be as short
1194    * as possible. */
1195   button = gtk_button_new_with_label (_("i"));
1196   b = empathy_rounded_actor_new ();
1197   gtk_container_add (
1198       GTK_CONTAINER (gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (b))),
1199       button);
1200   clutter_actor_set_size (b, 24, 24);
1201   priv->preview_hidden_button = b;
1202
1203   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1204       priv->preview_hidden_button,
1205       CLUTTER_BIN_ALIGNMENT_START,
1206       CLUTTER_BIN_ALIGNMENT_END);
1207
1208   self->priv->preview_pos = PREVIEW_POS_BOTTOM_LEFT;
1209
1210   clutter_actor_hide (priv->preview_hidden_button);
1211
1212   g_signal_connect (button, "clicked",
1213       G_CALLBACK (empathy_call_window_preview_hidden_button_clicked_cb),
1214       self);
1215
1216   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1217       priv->video_preview,
1218       CLUTTER_BIN_ALIGNMENT_START,
1219       CLUTTER_BIN_ALIGNMENT_END);
1220
1221   empathy_call_window_move_video_preview (self, pos);
1222
1223   action = clutter_drag_action_new ();
1224   g_signal_connect (action, "drag-begin",
1225       G_CALLBACK (empathy_call_window_preview_on_drag_begin_cb), self);
1226   g_signal_connect (action, "drag-end",
1227       G_CALLBACK (empathy_call_window_preview_on_drag_end_cb), self);
1228   g_signal_connect (action, "drag-motion",
1229       G_CALLBACK (empathy_call_window_preview_on_drag_motion_cb), self);
1230
1231   g_signal_connect (preview, "enter-event",
1232       G_CALLBACK (empathy_call_window_preview_enter_event_cb), self);
1233   g_signal_connect (preview, "leave-event",
1234       G_CALLBACK (empathy_call_window_preview_leave_event_cb), self);
1235
1236   clutter_actor_add_action (preview, action);
1237   clutter_actor_set_reactive (preview, TRUE);
1238   clutter_actor_set_reactive (priv->preview_shown_button, TRUE);
1239 }
1240
1241 static void
1242 empathy_call_window_start_camera_spinning (EmpathyCallWindow *self)
1243 {
1244   clutter_actor_show (self->priv->preview_spinner_actor);
1245   gtk_spinner_start (GTK_SPINNER (self->priv->preview_spinner_widget));
1246 }
1247
1248 static void
1249 empathy_call_window_stop_camera_spinning (EmpathyCallWindow *self)
1250 {
1251   clutter_actor_hide (self->priv->preview_spinner_actor);
1252   gtk_spinner_stop (GTK_SPINNER (self->priv->preview_spinner_widget));
1253 }
1254
1255 void
1256 empathy_call_window_play_camera (EmpathyCallWindow *self,
1257     gboolean play)
1258 {
1259   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1260   GstElement *preview;
1261   GstState state;
1262
1263   if (priv->video_preview == NULL)
1264     {
1265       create_video_preview (self);
1266       add_video_preview_to_pipeline (self);
1267     }
1268
1269   if (play)
1270     {
1271       state = GST_STATE_PLAYING;
1272     }
1273   else
1274     {
1275       empathy_call_window_start_camera_spinning (self);
1276       state = GST_STATE_NULL;
1277     }
1278
1279   preview = priv->video_preview_sink;
1280
1281   gst_element_set_state (preview, state);
1282   gst_element_set_state (priv->video_tee, state);
1283   gst_element_set_state (priv->video_input, state);
1284 }
1285
1286 static void
1287 display_video_preview (EmpathyCallWindow *self,
1288     gboolean display)
1289 {
1290   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1291
1292   if (priv->video_preview == NULL)
1293     {
1294       create_video_preview (self);
1295       add_video_preview_to_pipeline (self);
1296     }
1297
1298   if (display)
1299     {
1300       /* Display the video preview */
1301       DEBUG ("Show video preview");
1302
1303       empathy_call_window_play_camera (self, TRUE);
1304       clutter_actor_show (priv->video_preview);
1305       clutter_actor_raise_top (priv->floating_toolbar);
1306     }
1307   else
1308     {
1309       /* Hide the video preview */
1310       DEBUG ("Hide video preview");
1311
1312       if (priv->video_preview != NULL)
1313         {
1314           clutter_actor_hide (priv->video_preview);
1315           empathy_call_window_play_camera (self, FALSE);
1316         }
1317     }
1318 }
1319
1320 static void
1321 empathy_call_window_set_state_connecting (EmpathyCallWindow *window)
1322 {
1323   EmpathyCallWindowPriv *priv = GET_PRIV (window);
1324
1325   empathy_call_window_status_message (window, _("Connecting…"));
1326   priv->call_state = CONNECTING;
1327
1328   /* Show the toolbar */
1329   clutter_state_set_state (priv->transitions, "fade-in");
1330
1331   if (priv->outgoing)
1332     empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window),
1333         EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING);
1334 }
1335
1336 static void
1337 disable_camera (EmpathyCallWindow *self)
1338 {
1339   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1340
1341   if (priv->camera_state == CAMERA_STATE_OFF)
1342     return;
1343
1344   DEBUG ("Disable camera");
1345
1346   empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
1347
1348   priv->camera_state = CAMERA_STATE_OFF;
1349 }
1350
1351 static void
1352 enable_camera (EmpathyCallWindow *self)
1353 {
1354   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1355
1356   if (priv->camera_state == CAMERA_STATE_ON)
1357     return;
1358
1359   if (priv->video_input == NULL)
1360     {
1361       DEBUG ("Can't enable camera, no input");
1362       return;
1363     }
1364
1365   DEBUG ("Enable camera");
1366
1367   empathy_call_window_set_send_video (self, CAMERA_STATE_ON);
1368
1369   priv->camera_state = CAMERA_STATE_ON;
1370 }
1371
1372 static void
1373 empathy_call_window_camera_toggled_cb (GtkToggleToolButton *toggle,
1374   EmpathyCallWindow *self)
1375 {
1376   if (gtk_toggle_tool_button_get_active (toggle))
1377     enable_camera (self);
1378   else
1379     disable_camera (self);
1380 }
1381
1382 static void
1383 create_pipeline (EmpathyCallWindow *self)
1384 {
1385   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1386   GstBus *bus;
1387
1388   g_assert (priv->pipeline == NULL);
1389
1390   priv->pipeline = gst_pipeline_new (NULL);
1391   priv->pipeline_playing = FALSE;
1392
1393   priv->video_tee = gst_element_factory_make ("tee", NULL);
1394   gst_object_ref (priv->video_tee);
1395   gst_object_sink (priv->video_tee);
1396
1397   gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee);
1398
1399   bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
1400   priv->bus_message_source_id = gst_bus_add_watch (bus,
1401       empathy_call_window_bus_message, self);
1402
1403   g_object_unref (bus);
1404 }
1405
1406 static void
1407 empathy_call_window_settings_cb (GtkAction *action,
1408     EmpathyCallWindow *self)
1409 {
1410   gchar *args = g_strdup_printf ("-p %s",
1411       empathy_preferences_tab_to_string (EMPATHY_PREFERENCES_TAB_CALLS));
1412
1413   empathy_launch_program (BIN_DIR, "empathy", args);
1414
1415   g_free (args);
1416 }
1417
1418 static void
1419 empathy_call_window_contents_cb (GtkAction *action,
1420     EmpathyCallWindow *self)
1421 {
1422   empathy_url_show (GTK_WIDGET (self), "ghelp:empathy?audio-video");
1423 }
1424
1425 static void
1426 empathy_call_window_debug_cb (GtkAction *action,
1427     EmpathyCallWindow *self)
1428 {
1429   empathy_launch_program (BIN_DIR, "empathy-debugger", "-s Empathy.Call");
1430 }
1431
1432 static void
1433 empathy_call_window_about_cb (GtkAction *action,
1434     EmpathyCallWindow *self)
1435 {
1436   empathy_about_dialog_new (GTK_WINDOW (self));
1437 }
1438
1439 static gboolean
1440 empathy_call_window_toolbar_timeout (gpointer data)
1441 {
1442   EmpathyCallWindow *self = data;
1443
1444   /* We don't want to hide the toolbar if we're not in a call, as
1445    * to show the call status all the time. */
1446   if (self->priv->call_state != CONNECTING &&
1447       self->priv->call_state != DISCONNECTED)
1448     clutter_state_set_state (self->priv->transitions, "fade-out");
1449
1450   return TRUE;
1451 }
1452
1453 static gboolean
1454 empathy_call_window_motion_notify_cb (GtkWidget *widget,
1455     GdkEvent *event,
1456     EmpathyCallWindow *self)
1457 {
1458   clutter_state_set_state (self->priv->transitions, "fade-in");
1459
1460   if (self->priv->inactivity_src > 0)
1461     g_source_remove (self->priv->inactivity_src);
1462
1463   self->priv->inactivity_src = g_timeout_add_seconds (3,
1464       empathy_call_window_toolbar_timeout, self);
1465
1466   return FALSE;
1467 }
1468
1469 static gboolean
1470 empathy_call_window_configure_event_cb (GtkWidget *widget,
1471     GdkEvent  *event,
1472     EmpathyCallWindow *self)
1473 {
1474   GdkWindow *gdk_window;
1475   GdkWindowState window_state;
1476
1477   gtk_window_get_position (GTK_WINDOW (self), &self->priv->x, &self->priv->y);
1478   gtk_window_get_size (GTK_WINDOW (self), &self->priv->w, &self->priv->h);
1479
1480   gtk_widget_get_preferred_width (self->priv->dtmf_panel,
1481       &self->priv->dialpad_width, NULL);
1482
1483   gdk_window = gtk_widget_get_window (widget);
1484   window_state = gdk_window_get_state (gdk_window);
1485   self->priv->maximized = (window_state & GDK_WINDOW_STATE_MAXIMIZED);
1486
1487   return FALSE;
1488 }
1489
1490 static void
1491 empathy_call_window_destroyed_cb (GtkWidget *object,
1492     EmpathyCallWindow *self)
1493 {
1494   if (gtk_widget_get_visible (self->priv->dtmf_panel))
1495     {
1496       /* Save the geometry as if the dialpad was hidden. */
1497       empathy_geometry_save_values (GTK_WINDOW (self),
1498           self->priv->x, self->priv->y,
1499           self->priv->w - self->priv->dialpad_width, self->priv->h,
1500           self->priv->maximized);
1501     }
1502 }
1503
1504 static void
1505 empathy_call_window_stage_allocation_changed_cb (ClutterActor *stage,
1506     GParamSpec *pspec,
1507     ClutterBindConstraint *constraint)
1508 {
1509   ClutterActorBox allocation;
1510
1511   clutter_actor_get_allocation_box (stage, &allocation);
1512
1513   clutter_bind_constraint_set_offset (constraint,
1514       allocation.y2 - allocation.y1 -
1515       FLOATING_TOOLBAR_SPACING - FLOATING_TOOLBAR_HEIGHT);
1516 }
1517
1518 static void
1519 empathy_call_window_incoming_call_response_cb (GtkDialog *dialog,
1520     gint response_id,
1521     EmpathyCallWindow *self)
1522 {
1523   switch (response_id)
1524     {
1525       case GTK_RESPONSE_ACCEPT:
1526         tp_channel_dispatch_operation_handle_with_async (
1527             self->priv->pending_cdo, EMPATHY_CALL_BUS_NAME, NULL, NULL);
1528
1529         tp_clear_object (&self->priv->pending_cdo);
1530         tp_clear_object (&self->priv->pending_channel);
1531         tp_clear_object (&self->priv->pending_context);
1532
1533         break;
1534       case GTK_RESPONSE_CANCEL:
1535         tp_channel_dispatch_operation_close_channels_async (
1536             self->priv->pending_cdo, NULL, NULL);
1537
1538         empathy_call_window_status_message (self, _("Disconnected"));
1539         self->priv->call_state = DISCONNECTED;
1540         break;
1541       default:
1542         g_warn_if_reached ();
1543     }
1544 }
1545
1546 static void
1547 empathy_call_window_set_state_ringing (EmpathyCallWindow *self)
1548 {
1549   gboolean video;
1550
1551   g_assert (self->priv->call_state != CONNECTED);
1552
1553   video = tpy_call_channel_has_initial_video (self->priv->pending_channel);
1554
1555   empathy_call_window_status_message (self, _("Incoming call"));
1556   self->priv->call_state = RINGING;
1557
1558   self->priv->incoming_call_dialog = gtk_message_dialog_new (
1559       GTK_WINDOW (self), GTK_DIALOG_MODAL,
1560       GTK_MESSAGE_QUESTION, GTK_BUTTONS_NONE,
1561       video ? _("Incoming video call from %s") : _("Incoming call from %s"),
1562       empathy_contact_get_alias (self->priv->contact));
1563
1564   gtk_dialog_add_buttons (GTK_DIALOG (self->priv->incoming_call_dialog),
1565       _("Reject"), GTK_RESPONSE_CANCEL,
1566       _("Answer"), GTK_RESPONSE_ACCEPT,
1567       NULL);
1568
1569   g_signal_connect (self->priv->incoming_call_dialog, "response",
1570       G_CALLBACK (empathy_call_window_incoming_call_response_cb), self);
1571   gtk_widget_show (self->priv->incoming_call_dialog);
1572 }
1573
1574 static void
1575 empathy_call_window_cdo_invalidated_cb (TpProxy *channel,
1576     guint domain,
1577     gint code,
1578     gchar *message,
1579     EmpathyCallWindow *self)
1580 {
1581   tp_clear_object (&self->priv->pending_cdo);
1582   tp_clear_object (&self->priv->pending_channel);
1583   tp_clear_object (&self->priv->pending_context);
1584
1585   /* We don't know if the incoming call has been accepted or not, so we
1586    * assume it hasn't and if it has, we'll set the proper status when
1587    * we get the new handler. */
1588   empathy_call_window_status_message (self, _("Disconnected"));
1589   self->priv->call_state = DISCONNECTED;
1590
1591   gtk_widget_destroy (self->priv->incoming_call_dialog);
1592   self->priv->incoming_call_dialog = NULL;
1593 }
1594
1595 void
1596 empathy_call_window_start_ringing (EmpathyCallWindow *self,
1597     TpyCallChannel *channel,
1598     TpChannelDispatchOperation *dispatch_operation,
1599     TpAddDispatchOperationContext *context)
1600 {
1601   g_assert (self->priv->pending_channel == NULL);
1602   g_assert (self->priv->pending_context == NULL);
1603   g_assert (self->priv->pending_cdo == NULL);
1604
1605   /* Start ringing and delay until the user answers or hangs. */
1606   self->priv->pending_channel = g_object_ref (channel);
1607   self->priv->pending_context = g_object_ref (context);
1608   self->priv->pending_cdo = g_object_ref (dispatch_operation);
1609
1610   g_signal_connect (self->priv->pending_cdo, "invalidated",
1611       G_CALLBACK (empathy_call_window_cdo_invalidated_cb), self);
1612
1613   empathy_call_window_set_state_ringing (self);
1614   tp_add_dispatch_operation_context_accept (context);
1615 }
1616
1617 static void
1618 empathy_call_window_init (EmpathyCallWindow *self)
1619 {
1620   EmpathyCallWindowPriv *priv;
1621   GtkBuilder *gui;
1622   GtkWidget *top_vbox;
1623   gchar *filename;
1624   ClutterConstraint *constraint;
1625   ClutterActor *remote_avatar;
1626   GtkStyleContext *context;
1627   GdkRGBA rgba;
1628   ClutterColor bg;
1629
1630   priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
1631     EMPATHY_TYPE_CALL_WINDOW, EmpathyCallWindowPriv);
1632
1633   priv->settings = g_settings_new (EMPATHY_PREFS_CALL_SCHEMA);
1634
1635   filename = empathy_file_lookup ("empathy-call-window.ui", "src");
1636   gui = empathy_builder_get_file (filename,
1637     "call_window_vbox", &top_vbox,
1638     "errors_vbox", &priv->errors_vbox,
1639     "pane", &priv->pane,
1640     "remote_user_name_toolbar", &priv->remote_user_name_toolbar,
1641     "remote_user_avatar_toolbar", &priv->remote_user_avatar_toolbar,
1642     "status_label", &priv->status_label,
1643     "audiocall", &priv->audio_call_button,
1644     "videocall", &priv->video_call_button,
1645     "microphone", &priv->mic_button,
1646     "volume", &priv->volume_button,
1647     "camera", &priv->camera_button,
1648     "hangup", &priv->hangup_button,
1649     "dialpad", &priv->dialpad_button,
1650     "toolbar", &priv->toolbar,
1651     "bottom_toolbar", &priv->bottom_toolbar,
1652     "ui_manager", &priv->ui_manager,
1653     "menufullscreen", &priv->menu_fullscreen,
1654     "menupreviewswap", &priv->menu_swap_camera,
1655     "details_vbox",  &priv->details_vbox,
1656     "vcodec_encoding_label", &priv->vcodec_encoding_label,
1657     "acodec_encoding_label", &priv->acodec_encoding_label,
1658     "acodec_decoding_label", &priv->acodec_decoding_label,
1659     "vcodec_decoding_label", &priv->vcodec_decoding_label,
1660     "audio_remote_candidate_label", &priv->audio_remote_candidate_label,
1661     "audio_local_candidate_label", &priv->audio_local_candidate_label,
1662     "video_remote_candidate_label", &priv->video_remote_candidate_label,
1663     "video_local_candidate_label", &priv->video_local_candidate_label,
1664     "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img,
1665     "video_local_candidate_info_img", &priv->video_local_candidate_info_img,
1666     "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img,
1667     "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img,
1668     NULL);
1669   g_free (filename);
1670
1671   empathy_builder_connect (gui, self,
1672     "hangup", "clicked", empathy_call_window_hangup_cb,
1673     "audiocall", "clicked", empathy_call_window_audio_call_cb,
1674     "videocall", "clicked", empathy_call_window_video_call_cb,
1675     "camera", "toggled", empathy_call_window_camera_toggled_cb,
1676     "dialpad", "toggled", empathy_call_window_dialpad_cb,
1677     "menufullscreen", "activate", empathy_call_window_fullscreen_cb,
1678     "menusettings", "activate", empathy_call_window_settings_cb,
1679     "menucontents", "activate", empathy_call_window_contents_cb,
1680     "menudebug", "activate", empathy_call_window_debug_cb,
1681     "menuabout", "activate", empathy_call_window_about_cb,
1682     "menupreviewdisable", "activate", empathy_call_window_disable_camera_cb,
1683     "menupreviewminimise", "activate", empathy_call_window_minimise_camera_cb,
1684     "menupreviewmaximise", "activate", empathy_call_window_maximise_camera_cb,
1685     "menupreviewswap", "activate", empathy_call_window_swap_camera_cb,
1686     NULL);
1687
1688   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
1689
1690   priv->camera_monitor = empathy_camera_monitor_dup_singleton ();
1691
1692   g_object_bind_property (priv->camera_monitor, "available",
1693       priv->camera_button, "sensitive",
1694       G_BINDING_SYNC_CREATE);
1695
1696   g_signal_connect (priv->camera_monitor, "added",
1697       G_CALLBACK (empathy_call_window_camera_added_cb), self);
1698   g_signal_connect (priv->camera_monitor, "removed",
1699       G_CALLBACK (empathy_call_window_camera_removed_cb), self);
1700
1701   priv->lock = g_mutex_new ();
1702
1703   gtk_container_add (GTK_CONTAINER (self), top_vbox);
1704
1705   priv->content_hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL,
1706       CONTENT_HBOX_SPACING);
1707   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
1708                                   CONTENT_HBOX_BORDER_WIDTH);
1709   gtk_box_pack_start (GTK_BOX (priv->pane), priv->content_hbox,
1710       TRUE, TRUE, 0);
1711
1712   /* avatar/video box */
1713   priv->video_layout = clutter_bin_layout_new (CLUTTER_BIN_ALIGNMENT_CENTER,
1714       CLUTTER_BIN_ALIGNMENT_CENTER);
1715
1716   priv->video_box = clutter_box_new (priv->video_layout);
1717
1718   priv->video_container = gtk_clutter_embed_new ();
1719
1720   /* Set the background color to that of the rest of the window */
1721   context = gtk_widget_get_style_context (priv->content_hbox);
1722   gtk_style_context_get_background_color (context,
1723       GTK_STATE_FLAG_NORMAL, &rgba);
1724   bg.red = CLAMP (rgba.red * 255.0, 0, 255);
1725   bg.green = CLAMP (rgba.green * 255.0, 0, 255);
1726   bg.blue = CLAMP (rgba.blue * 255.0, 0, 255);
1727   bg.alpha = CLAMP (rgba.alpha * 255.0, 0, 255);
1728   clutter_stage_set_color (
1729       CLUTTER_STAGE (gtk_clutter_embed_get_stage (
1730           GTK_CLUTTER_EMBED (priv->video_container))),
1731       &bg);
1732
1733   clutter_container_add (
1734       CLUTTER_CONTAINER (gtk_clutter_embed_get_stage (
1735           GTK_CLUTTER_EMBED (priv->video_container))),
1736       priv->video_box,
1737       NULL);
1738
1739   constraint = clutter_bind_constraint_new (
1740       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1741       CLUTTER_BIND_SIZE, 0);
1742   clutter_actor_add_constraint (priv->video_box, constraint);
1743
1744   priv->remote_user_avatar_widget = gtk_image_new ();
1745   remote_avatar = gtk_clutter_actor_new_with_contents (
1746       priv->remote_user_avatar_widget);
1747
1748   clutter_container_add_actor (CLUTTER_CONTAINER (priv->video_box),
1749       remote_avatar);
1750
1751   empathy_call_window_create_preview_rectangles (self);
1752
1753   gtk_box_pack_start (GTK_BOX (priv->content_hbox),
1754       priv->video_container, TRUE, TRUE,
1755       CONTENT_HBOX_CHILDREN_PACKING_PADDING);
1756
1757   create_pipeline (self);
1758   create_video_output_widget (self);
1759   create_audio_input (self);
1760   create_video_input (self);
1761
1762   priv->floating_toolbar = empathy_rounded_actor_new ();
1763
1764   gtk_widget_reparent (priv->bottom_toolbar,
1765       gtk_clutter_actor_get_widget (GTK_CLUTTER_ACTOR (priv->floating_toolbar)));
1766
1767   constraint = clutter_bind_constraint_new (
1768       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1769       CLUTTER_BIND_Y, 0);
1770
1771   clutter_actor_add_constraint (priv->floating_toolbar, constraint);
1772
1773   g_signal_connect (
1774       gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (priv->video_container)),
1775       "notify::allocation",
1776       G_CALLBACK (empathy_call_window_stage_allocation_changed_cb),
1777       constraint);
1778
1779   clutter_actor_set_size (priv->floating_toolbar,
1780       FLOATING_TOOLBAR_WIDTH, FLOATING_TOOLBAR_HEIGHT);
1781   clutter_actor_set_opacity (priv->floating_toolbar, FLOATING_TOOLBAR_OPACITY);
1782
1783   clutter_bin_layout_add (CLUTTER_BIN_LAYOUT (priv->video_layout),
1784       priv->floating_toolbar,
1785       CLUTTER_BIN_ALIGNMENT_CENTER,
1786       CLUTTER_BIN_ALIGNMENT_END);
1787
1788   clutter_actor_raise_top (priv->floating_toolbar);
1789
1790   /* Transitions for the floating toolbar */
1791   priv->transitions = clutter_state_new ();
1792
1793   /* all transitions last for 2s */
1794   clutter_state_set_duration (priv->transitions, NULL, NULL, 2000);
1795
1796   /* transition from any state to "fade-out" state */
1797   clutter_state_set (priv->transitions, NULL, "fade-out",
1798       priv->floating_toolbar,
1799       "opacity", CLUTTER_EASE_OUT_QUAD, 0,
1800       NULL);
1801
1802   /* transition from any state to "fade-in" state */
1803   clutter_state_set (priv->transitions, NULL, "fade-in",
1804       priv->floating_toolbar,
1805       "opacity", CLUTTER_EASE_OUT_QUAD, FLOATING_TOOLBAR_OPACITY,
1806       NULL);
1807
1808   /* put the actor into the "fade-in" state with no animation */
1809   clutter_state_warp_to_state (priv->transitions, "fade-in");
1810
1811   /* The call will be started as soon the pipeline is playing */
1812   priv->start_call_when_playing = TRUE;
1813
1814   priv->dtmf_panel = empathy_dialpad_widget_new ();
1815   g_signal_connect (priv->dtmf_panel, "start-tone",
1816       G_CALLBACK (dtmf_start_tone_cb), self);
1817
1818   priv->tones = g_string_new ("");
1819
1820   gtk_box_pack_start (GTK_BOX (priv->pane), priv->dtmf_panel,
1821       FALSE, FALSE, 6);
1822
1823   gtk_box_pack_start (GTK_BOX (priv->pane), priv->details_vbox,
1824       FALSE, FALSE, 0);
1825
1826   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
1827
1828   gtk_widget_show_all (top_vbox);
1829
1830   gtk_widget_hide (priv->dtmf_panel);
1831   gtk_widget_hide (priv->details_vbox);
1832
1833   priv->fullscreen = empathy_call_window_fullscreen_new (self);
1834
1835   empathy_call_window_fullscreen_set_video_widget (priv->fullscreen,
1836       priv->video_container);
1837
1838   /* We hide the bottom toolbar after 3s of inactivity and show it
1839    * again on mouse movement */
1840   priv->inactivity_src = g_timeout_add_seconds (3,
1841       empathy_call_window_toolbar_timeout, self);
1842
1843   g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button),
1844       "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self);
1845
1846   g_signal_connect (G_OBJECT (self), "realize",
1847     G_CALLBACK (empathy_call_window_realized_cb), self);
1848
1849   g_signal_connect (G_OBJECT (self), "delete-event",
1850     G_CALLBACK (empathy_call_window_delete_cb), self);
1851
1852   g_signal_connect (G_OBJECT (self), "window-state-event",
1853     G_CALLBACK (empathy_call_window_state_event_cb), self);
1854
1855   g_signal_connect (G_OBJECT (self), "key-press-event",
1856       G_CALLBACK (empathy_call_window_key_press_cb), self);
1857
1858   g_signal_connect (self, "motion-notify-event",
1859       G_CALLBACK (empathy_call_window_motion_notify_cb), self);
1860
1861   priv->timer = g_timer_new ();
1862
1863   g_object_ref (priv->ui_manager);
1864   g_object_unref (gui);
1865
1866   priv->sound_mgr = empathy_sound_manager_dup_singleton ();
1867   priv->mic_menu = empathy_mic_menu_new (self);
1868   priv->camera_menu = empathy_camera_menu_new (self);
1869
1870   empathy_call_window_show_hangup_button (self, TRUE);
1871
1872   empathy_geometry_bind (GTK_WINDOW (self), "call-window");
1873   /* These signals are used to track the window position and save it
1874    * when the window is destroyed. We need to do this as we don't want
1875    * the window geometry to be saved with the dialpad taken into account. */
1876   g_signal_connect (self, "destroy",
1877       G_CALLBACK (empathy_call_window_destroyed_cb), self);
1878   g_signal_connect (self, "configure-event",
1879       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1880   g_signal_connect (self, "window-state-event",
1881       G_CALLBACK (empathy_call_window_configure_event_cb), self);
1882
1883   /* Don't display labels in both toolbars */
1884   gtk_toolbar_set_style (GTK_TOOLBAR (priv->toolbar), GTK_TOOLBAR_ICONS);
1885 }
1886
1887 /* Instead of specifying a width and a height, we specify only one size. That's
1888    because we want a square avatar icon.  */
1889 static void
1890 init_contact_avatar_with_size (EmpathyContact *contact,
1891     GtkWidget *image_widget,
1892     gint size)
1893 {
1894   GdkPixbuf *pixbuf_avatar = NULL;
1895
1896   if (contact != NULL)
1897     {
1898       pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact,
1899         size, size);
1900     }
1901
1902   if (pixbuf_avatar == NULL)
1903     {
1904       pixbuf_avatar = empathy_pixbuf_from_icon_name_sized (
1905           EMPATHY_IMAGE_AVATAR_DEFAULT, size);
1906     }
1907
1908   gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar);
1909
1910   if (pixbuf_avatar != NULL)
1911     g_object_unref (pixbuf_avatar);
1912 }
1913
1914 static void
1915 set_window_title (EmpathyCallWindow *self)
1916 {
1917   EmpathyCallWindowPriv *priv = GET_PRIV (self);
1918   gchar *tmp;
1919
1920   if (priv->contact != NULL)
1921     {
1922       /* translators: Call is a noun and %s is the contact name. This string
1923        * is used in the window title */
1924       tmp = g_strdup_printf (_("Call with %s"),
1925           empathy_contact_get_alias (priv->contact));
1926       gtk_window_set_title (GTK_WINDOW (self), tmp);
1927       g_free (tmp);
1928     }
1929   else
1930     {
1931       g_warning ("Unknown remote contact!");
1932     }
1933 }
1934
1935 static void
1936 set_remote_user_name (EmpathyCallWindow *self,
1937   EmpathyContact *contact)
1938 {
1939   const gchar *alias = empathy_contact_get_alias (contact);
1940   const gchar *status = empathy_contact_get_status (contact);
1941   gchar *label;
1942
1943   label = g_strdup_printf ("%s\n<small>%s</small>", alias, status);
1944   gtk_label_set_markup (GTK_LABEL (self->priv->remote_user_name_toolbar),
1945       label);
1946   g_free (label);
1947 }
1948
1949 static void
1950 contact_name_changed_cb (EmpathyContact *contact,
1951     GParamSpec *pspec,
1952     EmpathyCallWindow *self)
1953 {
1954   set_window_title (self);
1955   set_remote_user_name (self, contact);
1956 }
1957
1958 static void
1959 contact_presence_changed_cb (EmpathyContact *contact,
1960     GParamSpec *pspec,
1961     EmpathyCallWindow *self)
1962 {
1963   set_remote_user_name (self, contact);
1964 }
1965
1966 static void
1967 contact_avatar_changed_cb (EmpathyContact *contact,
1968     GParamSpec *pspec,
1969     EmpathyCallWindow *self)
1970 {
1971   int size;
1972   GtkAllocation allocation;
1973   GtkWidget *avatar_widget;
1974
1975   avatar_widget = self->priv->remote_user_avatar_widget;
1976
1977   gtk_widget_get_allocation (avatar_widget, &allocation);
1978   size = allocation.height;
1979
1980   if (size == 0)
1981     {
1982       /* the widget is not allocated yet, set a default size */
1983       size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT,
1984           REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH);
1985     }
1986
1987   init_contact_avatar_with_size (contact, avatar_widget, size);
1988
1989   avatar_widget = self->priv->remote_user_avatar_toolbar;
1990
1991   gtk_widget_get_allocation (avatar_widget, &allocation);
1992   size = allocation.height;
1993
1994   if (size == 0)
1995     {
1996       /* the widget is not allocated yet, set a default size */
1997       size = SMALL_TOOLBAR_SIZE;
1998     }
1999
2000   init_contact_avatar_with_size (contact, avatar_widget, size);
2001 }
2002
2003 static void
2004 empathy_call_window_setup_avatars (EmpathyCallWindow *self,
2005     EmpathyCallHandler *handler)
2006 {
2007   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2008
2009   tp_g_signal_connect_object (priv->contact, "notify::name",
2010       G_CALLBACK (contact_name_changed_cb), self, 0);
2011   tp_g_signal_connect_object (priv->contact, "notify::avatar",
2012     G_CALLBACK (contact_avatar_changed_cb), self, 0);
2013   tp_g_signal_connect_object (priv->contact, "notify::presence",
2014       G_CALLBACK (contact_presence_changed_cb), self, 0);
2015
2016   set_window_title (self);
2017   set_remote_user_name (self, priv->contact);
2018
2019   init_contact_avatar_with_size (priv->contact,
2020       priv->remote_user_avatar_widget,
2021       MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH,
2022           REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT));
2023
2024   init_contact_avatar_with_size (priv->contact,
2025       priv->remote_user_avatar_toolbar,
2026       SMALL_TOOLBAR_SIZE);
2027
2028   /* The remote avatar is shown by default and will be hidden when we receive
2029      video from the remote side. */
2030   clutter_actor_hide (priv->video_output);
2031   gtk_widget_show (priv->remote_user_avatar_widget);
2032 }
2033
2034 static void
2035 update_send_codec (EmpathyCallWindow *self,
2036     gboolean audio)
2037 {
2038   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2039   FsCodec *codec;
2040   GtkWidget *widget;
2041   gchar *tmp;
2042
2043   if (audio)
2044     {
2045       codec = empathy_call_handler_get_send_audio_codec (priv->handler);
2046       widget = priv->acodec_encoding_label;
2047     }
2048   else
2049     {
2050       codec = empathy_call_handler_get_send_video_codec (priv->handler);
2051       widget = priv->vcodec_encoding_label;
2052     }
2053
2054   if (codec == NULL)
2055     return;
2056
2057   tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate);
2058   gtk_label_set_text (GTK_LABEL (widget), tmp);
2059   g_free (tmp);
2060 }
2061
2062 static void
2063 send_audio_codec_notify_cb (GObject *object,
2064     GParamSpec *pspec,
2065     gpointer user_data)
2066 {
2067   EmpathyCallWindow *self = user_data;
2068
2069   update_send_codec (self, TRUE);
2070 }
2071
2072 static void
2073 send_video_codec_notify_cb (GObject *object,
2074     GParamSpec *pspec,
2075     gpointer user_data)
2076 {
2077   EmpathyCallWindow *self = user_data;
2078
2079   update_send_codec (self, FALSE);
2080 }
2081
2082 static void
2083 update_recv_codec (EmpathyCallWindow *self,
2084     gboolean audio)
2085 {
2086   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2087   GList *codecs, *l;
2088   GtkWidget *widget;
2089   GString *str = NULL;
2090
2091   if (audio)
2092     {
2093       codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler);
2094       widget = priv->acodec_decoding_label;
2095     }
2096   else
2097     {
2098       codecs = empathy_call_handler_get_recv_video_codecs (priv->handler);
2099       widget = priv->vcodec_decoding_label;
2100     }
2101
2102   if (codecs == NULL)
2103     return;
2104
2105   for (l = codecs; l != NULL; l = g_list_next (l))
2106     {
2107       FsCodec *codec = l->data;
2108
2109       if (str == NULL)
2110         str = g_string_new (NULL);
2111       else
2112         g_string_append (str, ", ");
2113
2114       g_string_append_printf (str, "%s/%u", codec->encoding_name,
2115           codec->clock_rate);
2116     }
2117
2118   gtk_label_set_text (GTK_LABEL (widget), str->str);
2119   g_string_free (str, TRUE);
2120 }
2121
2122 static void
2123 recv_audio_codecs_notify_cb (GObject *object,
2124     GParamSpec *pspec,
2125     gpointer user_data)
2126 {
2127   EmpathyCallWindow *self = user_data;
2128
2129   update_recv_codec (self, TRUE);
2130 }
2131
2132 static void
2133 recv_video_codecs_notify_cb (GObject *object,
2134     GParamSpec *pspec,
2135     gpointer user_data)
2136 {
2137   EmpathyCallWindow *self = user_data;
2138
2139   update_recv_codec (self, FALSE);
2140 }
2141
2142 static const gchar *
2143 candidate_type_to_str (FsCandidate *candidate)
2144 {
2145   switch (candidate->type)
2146     {
2147       case FS_CANDIDATE_TYPE_HOST:
2148         return "host";
2149       case FS_CANDIDATE_TYPE_SRFLX:
2150         return "server reflexive";
2151       case FS_CANDIDATE_TYPE_PRFLX:
2152         return "peer reflexive";
2153       case FS_CANDIDATE_TYPE_RELAY:
2154         return "relay";
2155       case FS_CANDIDATE_TYPE_MULTICAST:
2156         return "multicast";
2157     }
2158
2159   return NULL;
2160 }
2161
2162 static const gchar *
2163 candidate_type_to_desc (FsCandidate *candidate)
2164 {
2165   switch (candidate->type)
2166     {
2167       case FS_CANDIDATE_TYPE_HOST:
2168         return _("The IP address as seen by the machine");
2169       case FS_CANDIDATE_TYPE_SRFLX:
2170         return _("The IP address as seen by a server on the Internet");
2171       case FS_CANDIDATE_TYPE_PRFLX:
2172         return _("The IP address of the peer as seen by the other side");
2173       case FS_CANDIDATE_TYPE_RELAY:
2174         return _("The IP address of a relay server");
2175       case FS_CANDIDATE_TYPE_MULTICAST:
2176         return _("The IP address of the multicast group");
2177     }
2178
2179   return NULL;
2180 }
2181
2182 static void
2183 update_candidat_widget (EmpathyCallWindow *self,
2184     GtkWidget *label,
2185     GtkWidget *img,
2186     FsCandidate *candidate)
2187 {
2188   gchar *str;
2189
2190   g_assert (candidate != NULL);
2191   str = g_strdup_printf ("%s %u (%s)", candidate->ip,
2192       candidate->port, candidate_type_to_str (candidate));
2193
2194   gtk_label_set_text (GTK_LABEL (label), str);
2195   gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate));
2196
2197   g_free (str);
2198 }
2199
2200 static void
2201 candidates_changed_cb (GObject *object,
2202     FsMediaType type,
2203     EmpathyCallWindow *self)
2204 {
2205   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2206   FsCandidate *candidate = NULL;
2207
2208   if (type == FS_MEDIA_TYPE_VIDEO)
2209     {
2210       /* Update remote candidate */
2211       candidate = empathy_call_handler_get_video_remote_candidate (
2212           priv->handler);
2213
2214       update_candidat_widget (self, priv->video_remote_candidate_label,
2215           priv->video_remote_candidate_info_img, candidate);
2216
2217       /* Update local candidate */
2218       candidate = empathy_call_handler_get_video_local_candidate (
2219           priv->handler);
2220
2221       update_candidat_widget (self, priv->video_local_candidate_label,
2222           priv->video_local_candidate_info_img, candidate);
2223     }
2224   else
2225     {
2226       /* Update remote candidate */
2227       candidate = empathy_call_handler_get_audio_remote_candidate (
2228           priv->handler);
2229
2230       update_candidat_widget (self, priv->audio_remote_candidate_label,
2231           priv->audio_remote_candidate_info_img, candidate);
2232
2233       /* Update local candidate */
2234       candidate = empathy_call_handler_get_audio_local_candidate (
2235           priv->handler);
2236
2237       update_candidat_widget (self, priv->audio_local_candidate_label,
2238           priv->audio_local_candidate_info_img, candidate);
2239     }
2240 }
2241
2242 static void
2243 empathy_call_window_constructed (GObject *object)
2244 {
2245   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2246   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2247   TpyCallChannel *call;
2248   TpyCallState state;
2249
2250   g_assert (priv->handler != NULL);
2251
2252   g_object_get (priv->handler, "call-channel", &call, NULL);
2253   state = tpy_call_channel_get_state (call, NULL, NULL);
2254   priv->outgoing = (state == TPY_CALL_STATE_PENDING_INITIATOR);
2255   tp_clear_object (&call);
2256
2257   g_object_get (priv->handler, "target-contact", &priv->contact, NULL);
2258   g_assert (priv->contact != NULL);
2259
2260   if (!empathy_contact_can_voip_video (priv->contact))
2261     {
2262       gtk_widget_set_sensitive (priv->video_call_button, FALSE);
2263       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2264     }
2265
2266   empathy_call_window_setup_avatars (self, priv->handler);
2267   empathy_call_window_set_state_connecting (self);
2268
2269   if (!empathy_call_handler_has_initial_video (priv->handler))
2270     {
2271       gtk_toggle_tool_button_set_active (
2272           GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
2273     }
2274   /* If call has InitialVideo, the preview will be started once the call has
2275    * been started (start_call()). */
2276
2277   update_send_codec (self, TRUE);
2278   update_send_codec (self, FALSE);
2279   update_recv_codec (self, TRUE);
2280   update_recv_codec (self, FALSE);
2281
2282   tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec",
2283       G_CALLBACK (send_audio_codec_notify_cb), self, 0);
2284   tp_g_signal_connect_object (priv->handler, "notify::send-video-codec",
2285       G_CALLBACK (send_video_codec_notify_cb), self, 0);
2286   tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs",
2287       G_CALLBACK (recv_audio_codecs_notify_cb), self, 0);
2288   tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs",
2289       G_CALLBACK (recv_video_codecs_notify_cb), self, 0);
2290
2291   tp_g_signal_connect_object (priv->handler, "candidates-changed",
2292       G_CALLBACK (candidates_changed_cb), self, 0);
2293 }
2294
2295 static void empathy_call_window_dispose (GObject *object);
2296 static void empathy_call_window_finalize (GObject *object);
2297
2298 static void
2299 empathy_call_window_set_property (GObject *object,
2300   guint property_id, const GValue *value, GParamSpec *pspec)
2301 {
2302   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2303
2304   switch (property_id)
2305     {
2306       case PROP_CALL_HANDLER:
2307         priv->handler = g_value_dup_object (value);
2308         break;
2309       default:
2310         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2311     }
2312 }
2313
2314 static void
2315 empathy_call_window_get_property (GObject *object,
2316   guint property_id, GValue *value, GParamSpec *pspec)
2317 {
2318   EmpathyCallWindowPriv *priv = GET_PRIV (object);
2319
2320   switch (property_id)
2321     {
2322       case PROP_CALL_HANDLER:
2323         g_value_set_object (value, priv->handler);
2324         break;
2325       default:
2326         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
2327     }
2328 }
2329
2330 static void
2331 empathy_call_window_class_init (
2332   EmpathyCallWindowClass *empathy_call_window_class)
2333 {
2334   GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class);
2335   GParamSpec *param_spec;
2336
2337   g_type_class_add_private (empathy_call_window_class,
2338     sizeof (EmpathyCallWindowPriv));
2339
2340   object_class->constructed = empathy_call_window_constructed;
2341   object_class->set_property = empathy_call_window_set_property;
2342   object_class->get_property = empathy_call_window_get_property;
2343
2344   object_class->dispose = empathy_call_window_dispose;
2345   object_class->finalize = empathy_call_window_finalize;
2346
2347   param_spec = g_param_spec_object ("handler",
2348     "handler", "The call handler",
2349     EMPATHY_TYPE_CALL_HANDLER,
2350     G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
2351   g_object_class_install_property (object_class,
2352     PROP_CALL_HANDLER, param_spec);
2353 }
2354
2355 void
2356 empathy_call_window_dispose (GObject *object)
2357 {
2358   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2359   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2360
2361   if (priv->dispose_has_run)
2362     return;
2363
2364   priv->dispose_has_run = TRUE;
2365
2366   if (priv->handler != NULL)
2367     {
2368       empathy_call_handler_stop_call (priv->handler);
2369       tp_clear_object (&priv->handler);
2370     }
2371
2372   if (priv->bus_message_source_id != 0)
2373     {
2374       g_source_remove (priv->bus_message_source_id);
2375       priv->bus_message_source_id = 0;
2376     }
2377
2378   if (priv->got_video_src > 0)
2379     {
2380       g_source_remove (priv->got_video_src);
2381       priv->got_video_src = 0;
2382     }
2383
2384   if (priv->inactivity_src > 0)
2385     {
2386       g_source_remove (priv->inactivity_src);
2387       priv->inactivity_src = 0;
2388     }
2389
2390   tp_clear_object (&priv->pipeline);
2391   tp_clear_object (&priv->video_input);
2392   tp_clear_object (&priv->audio_input);
2393   tp_clear_object (&priv->video_tee);
2394   tp_clear_object (&priv->ui_manager);
2395   tp_clear_object (&priv->fullscreen);
2396   tp_clear_object (&priv->camera_monitor);
2397   tp_clear_object (&priv->settings);
2398   tp_clear_object (&priv->sound_mgr);
2399   tp_clear_object (&priv->mic_menu);
2400   tp_clear_object (&priv->camera_menu);
2401
2402   g_list_free_full (priv->notifiers, g_object_unref);
2403
2404   if (priv->timer_id != 0)
2405     g_source_remove (priv->timer_id);
2406   priv->timer_id = 0;
2407
2408   if (priv->contact != NULL)
2409     {
2410       g_signal_handlers_disconnect_by_func (priv->contact,
2411           contact_name_changed_cb, self);
2412       priv->contact = NULL;
2413     }
2414
2415   G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object);
2416 }
2417
2418 static void
2419 disconnect_video_output_motion_handler (EmpathyCallWindow *self)
2420 {
2421   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2422
2423   if (priv->video_output_motion_handler_id != 0)
2424     {
2425       g_signal_handler_disconnect (G_OBJECT (priv->video_container),
2426           priv->video_output_motion_handler_id);
2427       priv->video_output_motion_handler_id = 0;
2428     }
2429 }
2430
2431 void
2432 empathy_call_window_finalize (GObject *object)
2433 {
2434   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
2435   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2436
2437   disconnect_video_output_motion_handler (self);
2438
2439   /* free any data held directly by the object here */
2440   g_mutex_free (priv->lock);
2441
2442   g_timer_destroy (priv->timer);
2443
2444   g_string_free (priv->tones, TRUE);
2445
2446   G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object);
2447 }
2448
2449
2450 EmpathyCallWindow *
2451 empathy_call_window_new (EmpathyCallHandler *handler)
2452 {
2453   return EMPATHY_CALL_WINDOW (
2454     g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL));
2455 }
2456
2457 void
2458 empathy_call_window_present (EmpathyCallWindow *self,
2459     EmpathyCallHandler *handler)
2460 {
2461   g_return_if_fail (EMPATHY_IS_CALL_HANDLER (handler));
2462
2463   tp_clear_object (&self->priv->handler);
2464   self->priv->handler = g_object_ref (handler);
2465   empathy_call_window_connect_handler (self);
2466
2467   empathy_window_present (GTK_WINDOW (self));
2468   empathy_call_window_restart_call (self);
2469 }
2470
2471 static void
2472 empathy_call_window_conference_added_cb (EmpathyCallHandler *handler,
2473   GstElement *conference, gpointer user_data)
2474 {
2475   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2476   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2477   FsElementAddedNotifier *notifier;
2478   GKeyFile *keyfile;
2479
2480   DEBUG ("Conference added");
2481
2482   /* Add notifier to set the various element properties as needed */
2483   notifier = fs_element_added_notifier_new ();
2484   keyfile = fs_utils_get_default_element_properties (conference);
2485
2486   if (keyfile != NULL)
2487     fs_element_added_notifier_set_properties_from_keyfile (notifier, keyfile);
2488
2489   fs_element_added_notifier_add (notifier, GST_BIN (priv->pipeline));
2490
2491   priv->notifiers = g_list_prepend (priv->notifiers, notifier);
2492
2493   gst_bin_add (GST_BIN (priv->pipeline), conference);
2494   gst_element_set_state (conference, GST_STATE_PLAYING);
2495 }
2496
2497 static void
2498 empathy_call_window_conference_removed_cb (EmpathyCallHandler *handler,
2499   GstElement *conference, gpointer user_data)
2500 {
2501   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2502   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2503
2504   gst_bin_remove (GST_BIN (priv->pipeline), conference);
2505   gst_element_set_state (conference, GST_STATE_NULL);
2506 }
2507
2508 static gboolean
2509 empathy_call_window_reset_pipeline (EmpathyCallWindow *self)
2510 {
2511   GstStateChangeReturn state_change_return;
2512   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2513
2514   if (priv->pipeline == NULL)
2515     return TRUE;
2516
2517   if (priv->bus_message_source_id != 0)
2518     {
2519       g_source_remove (priv->bus_message_source_id);
2520       priv->bus_message_source_id = 0;
2521     }
2522
2523   state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL);
2524
2525   if (state_change_return == GST_STATE_CHANGE_SUCCESS ||
2526         state_change_return == GST_STATE_CHANGE_NO_PREROLL)
2527     {
2528       if (priv->pipeline != NULL)
2529         g_object_unref (priv->pipeline);
2530       priv->pipeline = NULL;
2531
2532       if (priv->audio_output != NULL)
2533         g_object_unref (priv->audio_output);
2534       priv->audio_output = NULL;
2535       priv->audio_output_added = FALSE;
2536
2537       if (priv->video_tee != NULL)
2538         g_object_unref (priv->video_tee);
2539       priv->video_tee = NULL;
2540
2541       if (priv->video_preview != NULL)
2542         clutter_actor_destroy (priv->video_preview);
2543       priv->video_preview = NULL;
2544
2545       /* If we destroy the preview while it's being dragged, we won't
2546        * get the ::drag-end signal, so manually destroy the clone */
2547       if (priv->drag_preview != NULL)
2548         {
2549           clutter_actor_destroy (priv->drag_preview);
2550           empathy_call_window_show_preview_rectangles (self, FALSE);
2551           priv->drag_preview = NULL;
2552         }
2553
2554       priv->funnel = NULL;
2555
2556       create_pipeline (self);
2557       /* Call will be started when user will hit the 'redial' button */
2558       priv->start_call_when_playing = FALSE;
2559       gst_element_set_state (priv->pipeline, GST_STATE_PAUSED);
2560
2561       return TRUE;
2562     }
2563   else
2564     {
2565       g_message ("Error: could not destroy pipeline. Closing call window");
2566       gtk_widget_destroy (GTK_WIDGET (self));
2567
2568       return FALSE;
2569     }
2570 }
2571
2572 static void
2573 reset_details_pane (EmpathyCallWindow *self)
2574 {
2575   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2576
2577   gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown"));
2578   gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown"));
2579   gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown"));
2580   gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown"));
2581 }
2582
2583 static gboolean
2584 empathy_call_window_disconnected (EmpathyCallWindow *self,
2585     gboolean restart)
2586 {
2587   gboolean could_disconnect = FALSE;
2588   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2589   gboolean could_reset_pipeline;
2590
2591   /* Leave full screen mode if needed */
2592   gtk_window_unfullscreen (GTK_WINDOW (self));
2593
2594   gtk_action_set_sensitive (priv->menu_fullscreen, FALSE);
2595   gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
2596
2597   priv->sending_tones = FALSE;
2598   g_string_set_size (priv->tones, 0);
2599
2600   could_reset_pipeline = empathy_call_window_reset_pipeline (self);
2601
2602   if (priv->call_state == CONNECTING)
2603       empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
2604
2605   if (priv->call_state != REDIALING)
2606     priv->call_state = DISCONNECTED;
2607
2608   /* Show the toolbar */
2609   clutter_state_set_state (priv->transitions, "fade-in");
2610
2611   if (could_reset_pipeline)
2612     {
2613       g_mutex_lock (priv->lock);
2614
2615       g_timer_stop (priv->timer);
2616
2617       if (priv->timer_id != 0)
2618         g_source_remove (priv->timer_id);
2619       priv->timer_id = 0;
2620
2621       g_mutex_unlock (priv->lock);
2622
2623       if (!restart)
2624         /* We are about to destroy the window, no need to update it or create
2625          * a video preview */
2626         return TRUE;
2627
2628       empathy_call_window_status_message (self, _("Disconnected"));
2629
2630       empathy_call_window_show_hangup_button (self, FALSE);
2631
2632       /* Unsensitive the camera and mic button */
2633       gtk_widget_set_sensitive (priv->camera_button, FALSE);
2634       gtk_widget_set_sensitive (priv->mic_button, FALSE);
2635
2636       /* Be sure that the mic button is enabled */
2637       gtk_toggle_tool_button_set_active (
2638           GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE);
2639
2640       if (priv->camera_state == CAMERA_STATE_ON)
2641         {
2642           /* Restart the preview with the new pipeline. */
2643           display_video_preview (self, TRUE);
2644         }
2645
2646       /* destroy the video output; it will be recreated when we'll redial */
2647       disconnect_video_output_motion_handler (self);
2648       if (priv->video_output != NULL)
2649         clutter_actor_destroy (priv->video_output);
2650       priv->video_output = NULL;
2651       if (priv->got_video_src > 0)
2652         {
2653           g_source_remove (priv->got_video_src);
2654           priv->got_video_src = 0;
2655         }
2656
2657       gtk_widget_show (priv->remote_user_avatar_widget);
2658
2659       reset_details_pane (self);
2660
2661       priv->sending_video = FALSE;
2662       priv->call_started = FALSE;
2663
2664       could_disconnect = TRUE;
2665
2666       /* TODO: display the self avatar of the preview (depends if the "Always
2667        * Show Video Preview" is enabled or not) */
2668     }
2669
2670   return could_disconnect;
2671 }
2672
2673
2674 static void
2675 empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler,
2676     gpointer user_data)
2677 {
2678   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2679   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2680
2681   if (empathy_call_window_disconnected (self, TRUE) &&
2682       priv->call_state == REDIALING)
2683       empathy_call_window_restart_call (self);
2684 }
2685
2686 static gboolean
2687 empathy_call_window_content_is_raw (TfContent *content)
2688 {
2689   FsConference *conference;
2690   gboolean israw;
2691
2692   g_object_get (content, "fs-conference", &conference, NULL);
2693   g_assert (conference != NULL);
2694
2695   /* FIXME: Ugly hack, update when moving a packetization property into
2696    * farstream */
2697   israw = g_str_has_prefix (GST_OBJECT_NAME (conference), "fsrawconf");
2698   gst_object_unref (conference);
2699
2700   return israw;
2701 }
2702
2703 static gboolean
2704 empathy_call_window_content_removed_cb (EmpathyCallHandler *handler,
2705     TfContent *content,
2706     EmpathyCallWindow *self)
2707 {
2708   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2709   FsMediaType media_type;
2710
2711   DEBUG ("removing content");
2712
2713   g_object_get (content, "media-type", &media_type, NULL);
2714
2715   /*
2716    * This assumes that there is only one video stream per channel...
2717    */
2718
2719   if ((guint) media_type == FS_MEDIA_TYPE_VIDEO)
2720     {
2721       if (priv->funnel != NULL)
2722         {
2723           GstElement *output;
2724
2725           output = priv->video_output_sink;
2726
2727           gst_element_set_state (output, GST_STATE_NULL);
2728           gst_element_set_state (priv->funnel, GST_STATE_NULL);
2729
2730           gst_bin_remove (GST_BIN (priv->pipeline), output);
2731           gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2732           priv->funnel = NULL;
2733         }
2734     }
2735   else if (media_type == FS_MEDIA_TYPE_AUDIO)
2736     {
2737       if (priv->audio_output != NULL)
2738         {
2739           gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2740
2741           if (priv->audio_output_added)
2742             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2743           priv->audio_output = NULL;
2744           priv->audio_output_added = FALSE;
2745         }
2746     }
2747   else
2748     {
2749       g_assert_not_reached ();
2750     }
2751
2752   return TRUE;
2753 }
2754
2755 static void
2756 empathy_call_window_framerate_changed_cb (EmpathyCallHandler *handler,
2757     guint framerate,
2758     EmpathyCallWindow *self)
2759 {
2760   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2761
2762   DEBUG ("Framerate changed to %u", framerate);
2763
2764   if (priv->video_input != NULL)
2765     empathy_video_src_set_framerate (priv->video_input, framerate);
2766 }
2767
2768 static void
2769 empathy_call_window_resolution_changed_cb (EmpathyCallHandler *handler,
2770     guint width,
2771     guint height,
2772     EmpathyCallWindow *self)
2773 {
2774   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2775
2776   DEBUG ("Resolution changed to %ux%u", width, height);
2777
2778   if (priv->video_input != NULL)
2779     {
2780       empathy_video_src_set_resolution (priv->video_input, width, height);
2781     }
2782 }
2783
2784 /* Called with global lock held */
2785 static GstPad *
2786 empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self)
2787 {
2788   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2789   GstPad *pad;
2790   GstElement *output;
2791
2792   if (priv->funnel == NULL)
2793     {
2794       output = priv->video_output_sink;
2795
2796       priv->funnel = gst_element_factory_make ("fsfunnel", NULL);
2797
2798       if (!priv->funnel)
2799         {
2800           g_warning ("Could not create fsfunnel");
2801           return NULL;
2802         }
2803
2804       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel))
2805         {
2806           gst_object_unref (priv->funnel);
2807           priv->funnel = NULL;
2808           g_warning ("Could  not add funnel to pipeline");
2809           return NULL;
2810         }
2811
2812       if (!gst_bin_add (GST_BIN (priv->pipeline), output))
2813         {
2814           g_warning ("Could not add the video output widget to the pipeline");
2815           goto error;
2816         }
2817
2818       if (!gst_element_link (priv->funnel, output))
2819         {
2820           g_warning ("Could not link output sink to funnel");
2821           goto error_output_added;
2822         }
2823
2824       if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2825         {
2826           g_warning ("Could not start video sink");
2827           goto error_output_added;
2828         }
2829
2830       if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2831         {
2832           g_warning ("Could not start funnel");
2833           goto error_output_added;
2834         }
2835     }
2836
2837   pad = gst_element_get_request_pad (priv->funnel, "sink%d");
2838
2839   if (!pad)
2840     g_warning ("Could not get request pad from funnel");
2841
2842   return pad;
2843
2844
2845  error_output_added:
2846
2847   gst_element_set_locked_state (priv->funnel, TRUE);
2848   gst_element_set_locked_state (output, TRUE);
2849
2850   gst_element_set_state (priv->funnel, GST_STATE_NULL);
2851   gst_element_set_state (output, GST_STATE_NULL);
2852
2853   gst_bin_remove (GST_BIN (priv->pipeline), output);
2854   gst_element_set_locked_state (output, FALSE);
2855
2856  error:
2857
2858   gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel);
2859   priv->funnel = NULL;
2860
2861   return NULL;
2862 }
2863
2864 /* Called with global lock held */
2865 static GstPad *
2866 empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self,
2867   TfContent *content)
2868 {
2869   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2870   GstPad *pad;
2871   GstPadTemplate *template;
2872
2873   if (!priv->audio_output_added)
2874     {
2875       if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output))
2876         {
2877           g_warning ("Could not add audio sink to pipeline");
2878           g_object_unref (priv->audio_output);
2879           goto error_add_output;
2880         }
2881
2882       if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
2883         {
2884           g_warning ("Could not start audio sink");
2885           goto error;
2886         }
2887     }
2888
2889   template = gst_element_class_get_pad_template (
2890     GST_ELEMENT_GET_CLASS (priv->audio_output), "sink%d");
2891
2892   pad = gst_element_request_pad (priv->audio_output,
2893     template, NULL, NULL);
2894
2895   if (pad == NULL)
2896     {
2897       g_warning ("Could not get sink pad from sink");
2898       return NULL;
2899     }
2900
2901   return pad;
2902
2903 error:
2904   gst_element_set_locked_state (priv->audio_output, TRUE);
2905   gst_element_set_state (priv->audio_output, GST_STATE_NULL);
2906   gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output);
2907   priv->audio_output = NULL;
2908
2909 error_add_output:
2910
2911   return NULL;
2912 }
2913
2914 static gboolean
2915 empathy_call_window_update_timer (gpointer user_data)
2916 {
2917   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
2918   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2919   const gchar *status;
2920   gchar *str;
2921   gdouble time_;
2922
2923   time_ = g_timer_elapsed (priv->timer, NULL);
2924
2925   if (priv->call_state == HELD)
2926     status = _("On hold");
2927   else if (!gtk_toggle_tool_button_get_active (
2928       GTK_TOGGLE_TOOL_BUTTON (priv->mic_button)))
2929     status = _("Mute");
2930   else
2931     status = _("Duration");
2932
2933   /* Translators: 'status - minutes:seconds' the caller has been connected */
2934   str = g_strdup_printf (_("%s — %d:%02dm"),
2935       status,
2936       (int) time_ / 60, (int) time_ % 60);
2937   empathy_call_window_status_message (self, str);
2938   g_free (str);
2939
2940   return TRUE;
2941 }
2942
2943 enum
2944 {
2945   EMP_RESPONSE_BALANCE
2946 };
2947
2948 static void
2949 on_error_infobar_response_cb (GtkInfoBar *info_bar,
2950     gint response_id,
2951     gpointer user_data)
2952 {
2953   switch (response_id)
2954     {
2955       case GTK_RESPONSE_CLOSE:
2956         gtk_widget_destroy (GTK_WIDGET (info_bar));
2957         break;
2958       case EMP_RESPONSE_BALANCE:
2959         empathy_url_show (GTK_WIDGET (info_bar),
2960             g_object_get_data (G_OBJECT (info_bar), "uri"));
2961         break;
2962     }
2963 }
2964
2965 static void
2966 display_error (EmpathyCallWindow *self,
2967     const gchar *img,
2968     const gchar *title,
2969     const gchar *desc,
2970     const gchar *details,
2971     const gchar *button_text,
2972     const gchar *uri,
2973     gint button_response)
2974 {
2975   EmpathyCallWindowPriv *priv = GET_PRIV (self);
2976   GtkWidget *info_bar;
2977   GtkWidget *content_area;
2978   GtkWidget *hbox;
2979   GtkWidget *vbox;
2980   GtkWidget *image;
2981   GtkWidget *label;
2982   gchar *txt;
2983
2984   /* Create info bar */
2985   info_bar = gtk_info_bar_new ();
2986
2987   if (button_text != NULL)
2988     {
2989       gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
2990           button_text, button_response);
2991       g_object_set_data_full (G_OBJECT (info_bar),
2992           "uri", g_strdup (uri), g_free);
2993     }
2994
2995   gtk_info_bar_add_button (GTK_INFO_BAR (info_bar),
2996       GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
2997
2998   gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING);
2999
3000   content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar));
3001
3002   /* hbox containing the image and the messages vbox */
3003   hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
3004   gtk_container_add (GTK_CONTAINER (content_area), hbox);
3005
3006   /* Add image */
3007   image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG);
3008   gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
3009
3010   /* vbox containing the main message and the details expander */
3011   vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 3);
3012   gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
3013
3014   /* Add text */
3015   txt = g_strdup_printf ("<b>%s</b>\n%s", title, desc);
3016
3017   label = gtk_label_new (NULL);
3018   gtk_label_set_markup (GTK_LABEL (label), txt);
3019   gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3020   gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3021   g_free (txt);
3022
3023   gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
3024
3025   /* Add details */
3026   if (details != NULL)
3027     {
3028       GtkWidget *expander;
3029
3030       expander = gtk_expander_new (_("Technical Details"));
3031
3032       txt = g_strdup_printf ("<i>%s</i>", details);
3033
3034       label = gtk_label_new (NULL);
3035       gtk_label_set_markup (GTK_LABEL (label), txt);
3036       gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
3037       gtk_misc_set_alignment (GTK_MISC (label), 0, 0);
3038       g_free (txt);
3039
3040       gtk_container_add (GTK_CONTAINER (expander), label);
3041       gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0);
3042     }
3043
3044   g_signal_connect (info_bar, "response",
3045       G_CALLBACK (on_error_infobar_response_cb), NULL);
3046
3047   gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar,
3048       FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING);
3049   gtk_widget_show_all (info_bar);
3050 }
3051
3052 #if 0
3053 static gchar *
3054 media_stream_error_to_txt (EmpathyCallWindow *self,
3055     TpyCallChannel *call,
3056     gboolean audio,
3057     TpMediaStreamError error)
3058 {
3059   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3060   const gchar *cm = NULL;
3061   gchar *url;
3062   gchar *result;
3063
3064   switch (error)
3065     {
3066       case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED:
3067         if (audio)
3068           return g_strdup_printf (
3069               _("%s's software does not understand any of the audio formats "
3070                 "supported by your computer"),
3071             empathy_contact_get_alias (priv->contact));
3072         else
3073           return g_strdup_printf (
3074               _("%s's software does not understand any of the video formats "
3075                 "supported by your computer"),
3076             empathy_contact_get_alias (priv->contact));
3077
3078       case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED:
3079         return g_strdup_printf (
3080             _("Can't establish a connection to %s. "
3081               "One of you might be on a network that does not allow "
3082               "direct connections."),
3083           empathy_contact_get_alias (priv->contact));
3084
3085       case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR:
3086           return g_strdup (_("There was a failure on the network"));
3087
3088       case TP_MEDIA_STREAM_ERROR_NO_CODECS:
3089         if (audio)
3090           return g_strdup (_("The audio formats necessary for this call "
3091                 "are not installed on your computer"));
3092         else
3093           return g_strdup (_("The video formats necessary for this call "
3094                 "are not installed on your computer"));
3095
3096       case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR:
3097         tp_connection_parse_object_path (
3098             tp_channel_borrow_connection (TP_CHANNEL (call)),
3099             NULL, &cm);
3100
3101         url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?"
3102             "product=Telepathy&amp;component=%s", cm);
3103
3104         result = g_strdup_printf (
3105             _("Something unexpected happened in a Telepathy component. "
3106               "Please <a href=\"%s\">report this bug</a> and attach "
3107               "logs gathered from the 'Debug' window in the Help menu."), url);
3108
3109         g_free (url);
3110         g_free (cm);
3111         return result;
3112
3113       case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR:
3114         return g_strdup (_("There was a failure in the call engine"));
3115
3116       case TP_MEDIA_STREAM_ERROR_EOS:
3117         return g_strdup (_("The end of the stream was reached"));
3118
3119       case TP_MEDIA_STREAM_ERROR_UNKNOWN:
3120       default:
3121         return NULL;
3122     }
3123 }
3124
3125 static void
3126 empathy_call_window_stream_error (EmpathyCallWindow *self,
3127     TpyCallChannel *call,
3128     gboolean audio,
3129     guint code,
3130     const gchar *msg,
3131     const gchar *icon,
3132     const gchar *title)
3133 {
3134   gchar *desc;
3135
3136   desc = media_stream_error_to_txt (self, call, audio, code);
3137   if (desc == NULL)
3138     {
3139       /* No description, use the error message. That's not great as it's not
3140        * localized but it's better than nothing. */
3141       display_error (self, call, icon, title, msg, NULL);
3142     }
3143   else
3144     {
3145       display_error (self, call, icon, title, desc, msg);
3146       g_free (desc);
3147     }
3148 }
3149
3150 static void
3151 empathy_call_window_audio_stream_error (TpyCallChannel *call,
3152     guint code,
3153     const gchar *msg,
3154     EmpathyCallWindow *self)
3155 {
3156   empathy_call_window_stream_error (self, call, TRUE, code, msg,
3157       "gnome-stock-mic", _("Can't establish audio stream"));
3158 }
3159
3160 static void
3161 empathy_call_window_video_stream_error (TpyCallChannel *call,
3162     guint code,
3163     const gchar *msg,
3164     EmpathyCallWindow *self)
3165 {
3166   empathy_call_window_stream_error (self, call, FALSE, code, msg,
3167       "camera-web", _("Can't establish video stream"));
3168 }
3169 #endif
3170
3171 static void
3172 show_balance_error (EmpathyCallWindow *self)
3173 {
3174   TpChannel *call;
3175   TpConnection *conn;
3176   gchar *balance, *tmp;
3177   const gchar *uri, *currency;
3178   gint amount;
3179   guint scale;
3180
3181   g_object_get (self->priv->handler,
3182       "call-channel", &call,
3183       NULL);
3184
3185   conn = tp_channel_borrow_connection (call);
3186   g_object_unref (call);
3187
3188   uri = tp_connection_get_balance_uri (conn);
3189
3190   if (!tp_connection_get_balance (conn, &amount, &scale, &currency))
3191     {
3192       /* unknown balance */
3193       balance = g_strdup ("(--)");
3194     }
3195   else
3196     {
3197       char *money = empathy_format_currency (amount, scale, currency);
3198
3199       balance = g_strdup_printf ("%s %s",
3200           currency, money);
3201       g_free (money);
3202     }
3203
3204   tmp = g_strdup_printf (_("Your current balance is %s."), balance),
3205
3206   display_error (self,
3207       NULL,
3208       _("Sorry, you don’t have enough credit for that call."),
3209       tmp, NULL,
3210       _("Top Up"),
3211       uri,
3212       EMP_RESPONSE_BALANCE);
3213
3214   g_free (tmp);
3215   g_free (balance);
3216 }
3217
3218 static void
3219 empathy_call_window_state_changed_cb (EmpathyCallHandler *handler,
3220     TpyCallState state,
3221     gchar *reason,
3222     EmpathyCallWindow *self)
3223 {
3224   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3225   TpyCallChannel *call;
3226   gboolean can_send_video;
3227
3228   if (state == TPY_CALL_STATE_ENDED &&
3229       !tp_strdiff (reason, TP_ERROR_STR_INSUFFICIENT_BALANCE))
3230     {
3231       show_balance_error (self);
3232       return;
3233     }
3234
3235   if (state != TPY_CALL_STATE_ACCEPTED)
3236     return;
3237
3238   if (priv->call_state == CONNECTED)
3239     return;
3240
3241   g_timer_start (priv->timer);
3242   priv->call_state = CONNECTED;
3243
3244   empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3245
3246   can_send_video = priv->video_input != NULL &&
3247     empathy_contact_can_voip_video (priv->contact) &&
3248     empathy_camera_monitor_get_available (priv->camera_monitor);
3249
3250   g_object_get (priv->handler, "call-channel", &call, NULL);
3251
3252   if (tpy_call_channel_has_dtmf (call))
3253     gtk_widget_set_sensitive (priv->dtmf_panel, TRUE);
3254
3255   if (priv->video_input == NULL)
3256     empathy_call_window_set_send_video (self, CAMERA_STATE_OFF);
3257
3258   gtk_widget_set_sensitive (priv->camera_button, can_send_video);
3259
3260   empathy_call_window_show_hangup_button (self, TRUE);
3261
3262   gtk_widget_set_sensitive (priv->mic_button, TRUE);
3263
3264   clutter_actor_hide (priv->video_output);
3265   gtk_widget_show (priv->remote_user_avatar_widget);
3266
3267   g_object_unref (call);
3268
3269   g_mutex_lock (priv->lock);
3270
3271   priv->timer_id = g_timeout_add_seconds (1,
3272     empathy_call_window_update_timer, self);
3273
3274   g_mutex_unlock (priv->lock);
3275
3276   empathy_call_window_update_timer (self);
3277
3278   gtk_action_set_sensitive (priv->menu_fullscreen, TRUE);
3279 }
3280
3281 static gboolean
3282 empathy_call_window_show_video_output_cb (gpointer user_data)
3283 {
3284   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3285
3286   if (self->priv->video_output != NULL)
3287     {
3288       gtk_widget_hide (self->priv->remote_user_avatar_widget);
3289       clutter_actor_show (self->priv->video_output);
3290       empathy_call_window_raise_actors (self);
3291     }
3292
3293   return FALSE;
3294 }
3295
3296 static gboolean
3297 empathy_call_window_check_video_cb (gpointer data)
3298 {
3299   EmpathyCallWindow *self = data;
3300
3301   if (self->priv->got_video)
3302     {
3303       self->priv->got_video = FALSE;
3304       return TRUE;
3305     }
3306
3307   /* No video in the last N seconds, display the remote avatar */
3308   empathy_call_window_show_video_output (self, FALSE);
3309
3310   return TRUE;
3311 }
3312
3313 /* Called from the streaming thread */
3314 static gboolean
3315 empathy_call_window_video_probe_cb (GstPad *pad,
3316     GstMiniObject *mini_obj,
3317     EmpathyCallWindow *self)
3318 {
3319   /* Ignore events */
3320   if (GST_IS_EVENT (mini_obj))
3321     return TRUE;
3322
3323   if (G_UNLIKELY (!self->priv->got_video))
3324     {
3325       /* show the remote video */
3326       g_idle_add_full (G_PRIORITY_DEFAULT_IDLE,
3327           empathy_call_window_show_video_output_cb,
3328           g_object_ref (self), g_object_unref);
3329
3330       self->priv->got_video = TRUE;
3331     }
3332
3333   return TRUE;
3334 }
3335
3336 /* Called from the streaming thread */
3337 static gboolean
3338 empathy_call_window_src_added_cb (EmpathyCallHandler *handler,
3339   TfContent *content, GstPad *src, gpointer user_data)
3340 {
3341   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3342   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3343   gboolean retval = FALSE;
3344   guint media_type;
3345
3346   GstPad *pad;
3347
3348   g_mutex_lock (priv->lock);
3349
3350   g_object_get (content, "media-type", &media_type, NULL);
3351
3352   switch (media_type)
3353     {
3354       case TP_MEDIA_STREAM_TYPE_AUDIO:
3355         pad = empathy_call_window_get_audio_sink_pad (self, content);
3356         break;
3357       case TP_MEDIA_STREAM_TYPE_VIDEO:
3358         g_idle_add (empathy_call_window_show_video_output_cb, self);
3359         pad = empathy_call_window_get_video_sink_pad (self);
3360
3361         gst_pad_add_data_probe (src,
3362             G_CALLBACK (empathy_call_window_video_probe_cb), self);
3363         if (priv->got_video_src > 0)
3364           g_source_remove (priv->got_video_src);
3365         priv->got_video_src = g_timeout_add_seconds (5,
3366             empathy_call_window_check_video_cb, self);
3367         break;
3368       default:
3369         g_assert_not_reached ();
3370     }
3371
3372   if (pad == NULL)
3373     goto out;
3374
3375   if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad)))
3376       g_warning ("Could not link %s sink pad",
3377           media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video");
3378   else
3379       retval = TRUE;
3380
3381   gst_object_unref (pad);
3382
3383  out:
3384
3385   /* If no sink could be linked, try to add fakesink to prevent the whole call
3386    * aborting */
3387
3388   if (!retval)
3389     {
3390       GstElement *fakesink = gst_element_factory_make ("fakesink", NULL);
3391
3392       if (gst_bin_add (GST_BIN (priv->pipeline), fakesink))
3393         {
3394           GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink");
3395           if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE ||
3396               GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad)))
3397             {
3398               gst_element_set_locked_state (fakesink, TRUE);
3399               gst_element_set_state (fakesink, GST_STATE_NULL);
3400               gst_bin_remove (GST_BIN (priv->pipeline), fakesink);
3401             }
3402           else
3403             {
3404               DEBUG ("Could not link real sink, linked fakesink instead");
3405             }
3406           gst_object_unref (sinkpad);
3407         }
3408       else
3409         {
3410           gst_object_unref (fakesink);
3411         }
3412     }
3413
3414
3415   g_mutex_unlock (priv->lock);
3416
3417   return TRUE;
3418 }
3419
3420 static void
3421 empathy_call_window_prepare_audio_output (EmpathyCallWindow *self,
3422   TfContent *content)
3423 {
3424   EmpathyCallWindowPriv *priv = self->priv;
3425
3426   g_assert (priv->audio_output_added == FALSE);
3427   g_assert (priv->audio_output == FALSE);
3428
3429   priv->audio_output = empathy_audio_sink_new ();
3430   g_object_ref_sink (priv->audio_output);
3431
3432   /* volume button to output volume linking */
3433   g_object_bind_property (priv->audio_output, "volume",
3434     priv->volume_button, "value",
3435     G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
3436
3437   g_object_bind_property_full (content, "requested-output-volume",
3438     priv->audio_output, "volume",
3439     G_BINDING_DEFAULT,
3440     audio_control_volume_to_element,
3441     element_volume_to_audio_control,
3442     NULL, NULL);
3443
3444   /* Link volumes together, sync the current audio input volume property
3445     * back to farstream first */
3446   g_object_bind_property_full (priv->audio_output, "volume",
3447     content, "reported-output-volume",
3448     G_BINDING_SYNC_CREATE,
3449     element_volume_to_audio_control,
3450     audio_control_volume_to_element,
3451     NULL, NULL);
3452
3453   /* For raw audio conferences assume that the producer of the raw data
3454    * has already processed it, so turn off any echo cancellation and any
3455    * other audio improvements that come with it */
3456   empathy_audio_sink_set_echo_cancel (
3457     EMPATHY_GST_AUDIO_SINK (priv->audio_output),
3458     !empathy_call_window_content_is_raw (content));
3459 }
3460
3461
3462 static gboolean
3463 empathy_call_window_content_added_cb (EmpathyCallHandler *handler,
3464   TfContent *content, gpointer user_data)
3465 {
3466   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3467   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3468   GstPad *sink, *pad;
3469   FsMediaType media_type;
3470   gboolean retval = FALSE;
3471
3472   g_object_get (content, "media-type", &media_type, "sink-pad", &sink, NULL);
3473   g_assert (sink != NULL);
3474
3475   switch (media_type)
3476     {
3477       case FS_MEDIA_TYPE_AUDIO:
3478
3479         /* For raw audio conferences assume that the receiver of the raw data
3480          * wants it unprocessed, so turn off any echo cancellation and any
3481          * other audio improvements that come with it */
3482         empathy_audio_src_set_echo_cancel (
3483           EMPATHY_GST_AUDIO_SRC (priv->audio_input),
3484           !empathy_call_window_content_is_raw (content));
3485
3486         /* Link volumes together, sync the current audio input volume property
3487          * back to farstream first */
3488         g_object_bind_property_full (content, "requested-input-volume",
3489           priv->audio_input, "volume",
3490           G_BINDING_DEFAULT,
3491           audio_control_volume_to_element,
3492           element_volume_to_audio_control,
3493           NULL, NULL);
3494
3495         g_object_bind_property_full (priv->audio_input, "volume",
3496           content, "reported-input-volume",
3497           G_BINDING_SYNC_CREATE,
3498           element_volume_to_audio_control,
3499           audio_control_volume_to_element,
3500           NULL, NULL);
3501
3502         if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input))
3503           {
3504             g_warning ("Could not add audio source to pipeline");
3505             break;
3506           }
3507
3508         pad = gst_element_get_static_pad (priv->audio_input, "src");
3509         if (!pad)
3510           {
3511             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3512             g_warning ("Could not get source pad from audio source");
3513             break;
3514           }
3515
3516         if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3517           {
3518             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3519             g_warning ("Could not link audio source to farsight");
3520             break;
3521           }
3522
3523         if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
3524           {
3525             g_warning ("Could not start audio source");
3526             gst_element_set_state (priv->audio_input, GST_STATE_NULL);
3527             gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input);
3528             break;
3529           }
3530
3531         /* Prepare our audio output, not added yet though */
3532         empathy_call_window_prepare_audio_output (self, content);
3533
3534         retval = TRUE;
3535         break;
3536       case FS_MEDIA_TYPE_VIDEO:
3537         if (priv->video_tee != NULL)
3538           {
3539             pad = gst_element_get_request_pad (priv->video_tee, "src%d");
3540             if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink)))
3541               {
3542                 g_warning ("Could not link video source input pipeline");
3543                 break;
3544               }
3545             gst_object_unref (pad);
3546           }
3547
3548         retval = TRUE;
3549         break;
3550       default:
3551         g_assert_not_reached ();
3552     }
3553
3554   gst_object_unref (sink);
3555   return retval;
3556 }
3557
3558 static void
3559 empathy_call_window_remove_video_input (EmpathyCallWindow *self)
3560 {
3561   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3562   GstElement *preview;
3563
3564   disable_camera (self);
3565
3566   DEBUG ("remove video input");
3567   preview = priv->video_preview_sink;
3568
3569   gst_element_set_state (priv->video_input, GST_STATE_NULL);
3570   gst_element_set_state (priv->video_tee, GST_STATE_NULL);
3571   gst_element_set_state (preview, GST_STATE_NULL);
3572
3573   gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input,
3574     preview, NULL);
3575
3576   g_object_unref (priv->video_input);
3577   priv->video_input = NULL;
3578   g_object_unref (priv->video_tee);
3579   priv->video_tee = NULL;
3580   clutter_actor_destroy (priv->video_preview);
3581   priv->video_preview = NULL;
3582
3583   gtk_widget_set_sensitive (priv->camera_button, FALSE);
3584 }
3585
3586 static void
3587 start_call (EmpathyCallWindow *self)
3588 {
3589   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3590
3591   priv->call_started = TRUE;
3592   empathy_call_handler_start_call (priv->handler,
3593       gtk_get_current_event_time ());
3594
3595   if (empathy_call_handler_has_initial_video (priv->handler))
3596     {
3597       TpyCallChannel *call;
3598       TpySendingState s;
3599
3600       g_object_get (priv->handler, "call-channel", &call, NULL);
3601       /* If the call channel isn't set yet we're requesting it, if we're
3602        * requesting it with initial video it should be PENDING_SEND when we get
3603        * it */
3604       if (call == NULL)
3605         s = TPY_SENDING_STATE_PENDING_SEND;
3606       else
3607         s = tpy_call_channel_get_video_state (call);
3608
3609       if (s == TPY_SENDING_STATE_PENDING_SEND ||
3610           s == TPY_SENDING_STATE_SENDING)
3611         {
3612           /* Enable 'send video' buttons and display the preview */
3613           gtk_toggle_tool_button_set_active (
3614             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), TRUE);
3615         }
3616       else
3617         {
3618           gtk_toggle_tool_button_set_active (
3619             GTK_TOGGLE_TOOL_BUTTON (priv->camera_button), FALSE);
3620
3621           if (priv->video_preview == NULL)
3622             {
3623               create_video_preview (self);
3624               add_video_preview_to_pipeline (self);
3625             }
3626         }
3627
3628       if (call != NULL)
3629         g_object_unref (call);
3630     }
3631 }
3632
3633 static gboolean
3634 empathy_call_window_bus_message (GstBus *bus, GstMessage *message,
3635   gpointer user_data)
3636 {
3637   EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data);
3638   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3639   GstState newstate, pending;
3640
3641   empathy_call_handler_bus_message (priv->handler, bus, message);
3642
3643   switch (GST_MESSAGE_TYPE (message))
3644     {
3645       case GST_MESSAGE_STATE_CHANGED:
3646         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input))
3647           {
3648             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3649           }
3650         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) &&
3651             !priv->call_started)
3652           {
3653             gst_message_parse_state_changed (message, NULL, &newstate, NULL);
3654             if (newstate == GST_STATE_PAUSED)
3655               {
3656                 gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3657                 priv->pipeline_playing = TRUE;
3658
3659                 if (priv->start_call_when_playing)
3660                   start_call (self);
3661               }
3662           }
3663         if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_preview_sink))
3664           {
3665             gst_message_parse_state_changed (message, NULL, &newstate,
3666                 &pending);
3667
3668             if (newstate == GST_STATE_PLAYING &&
3669                 pending == GST_STATE_VOID_PENDING)
3670               empathy_call_window_stop_camera_spinning (self);
3671           }
3672         break;
3673       case GST_MESSAGE_ERROR:
3674         {
3675           GError *error = NULL;
3676           GstElement *gst_error;
3677           gchar *debug;
3678
3679           gst_message_parse_error (message, &error, &debug);
3680           gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message));
3681
3682           g_message ("Element error: %s -- %s\n", error->message, debug);
3683
3684           if (g_str_has_prefix (gst_element_get_name (gst_error),
3685                 VIDEO_INPUT_ERROR_PREFIX))
3686             {
3687               /* Remove the video input and continue */
3688               if (priv->video_input != NULL)
3689                 empathy_call_window_remove_video_input (self);
3690               gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
3691             }
3692           else
3693             {
3694               empathy_call_window_disconnected (self, TRUE);
3695             }
3696           g_error_free (error);
3697           g_free (debug);
3698         }
3699       case GST_MESSAGE_UNKNOWN:
3700       case GST_MESSAGE_EOS:
3701       case GST_MESSAGE_WARNING:
3702       case GST_MESSAGE_INFO:
3703       case GST_MESSAGE_TAG:
3704       case GST_MESSAGE_BUFFERING:
3705       case GST_MESSAGE_STATE_DIRTY:
3706       case GST_MESSAGE_STEP_DONE:
3707       case GST_MESSAGE_CLOCK_PROVIDE:
3708       case GST_MESSAGE_CLOCK_LOST:
3709       case GST_MESSAGE_NEW_CLOCK:
3710       case GST_MESSAGE_STRUCTURE_CHANGE:
3711       case GST_MESSAGE_STREAM_STATUS:
3712       case GST_MESSAGE_APPLICATION:
3713       case GST_MESSAGE_ELEMENT:
3714       case GST_MESSAGE_SEGMENT_START:
3715       case GST_MESSAGE_SEGMENT_DONE:
3716       case GST_MESSAGE_DURATION:
3717       case GST_MESSAGE_ANY:
3718       default:
3719         break;
3720     }
3721
3722   return TRUE;
3723 }
3724
3725 static void
3726 empathy_call_window_members_changed_cb (TpyCallChannel *call,
3727     GHashTable *members,
3728     EmpathyCallWindow *self)
3729 {
3730   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3731   GHashTableIter iter;
3732   gpointer key, value;
3733   gboolean held = FALSE;
3734
3735   g_hash_table_iter_init (&iter, members);
3736   while (g_hash_table_iter_next (&iter, &key, &value))
3737     {
3738       if (GPOINTER_TO_INT (value) & TPY_CALL_MEMBER_FLAG_HELD)
3739         {
3740           /* This assumes this is a 1-1 call, otherwise one participant
3741            * putting the call on hold wouldn't mean the call is on hold
3742            * for everyone. */
3743           held = TRUE;
3744           break;
3745         }
3746     }
3747
3748   if (held)
3749     priv->call_state = HELD;
3750   else if (priv->call_state == HELD)
3751     priv->call_state = CONNECTED;
3752 }
3753
3754 static void
3755 call_handler_notify_call_cb (EmpathyCallHandler *handler,
3756     GParamSpec *spec,
3757     EmpathyCallWindow *self)
3758 {
3759   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3760   TpyCallChannel *call;
3761
3762   g_object_get (priv->handler, "call-channel", &call, NULL);
3763   if (call == NULL)
3764     return;
3765
3766 /* FIXME
3767   tp_g_signal_connect_object (call, "audio-stream-error",
3768       G_CALLBACK (empathy_call_window_audio_stream_error), self, 0);
3769   tp_g_signal_connect_object (call, "video-stream-error",
3770       G_CALLBACK (empathy_call_window_video_stream_error), self, 0);
3771 */
3772
3773   tp_g_signal_connect_object (call, "members-changed",
3774       G_CALLBACK (empathy_call_window_members_changed_cb), self, 0);
3775
3776   tp_cli_channel_interface_dtmf_connect_to_stopped_tones (TP_CHANNEL (call),
3777       empathy_call_window_tones_stopped_cb, self, NULL,
3778       G_OBJECT (call), NULL);
3779
3780   g_object_unref (call);
3781 }
3782
3783 static void
3784 empathy_call_window_connect_handler (EmpathyCallWindow *self)
3785 {
3786   EmpathyCallWindowPriv *priv = GET_PRIV (self);
3787   TpyCallChannel *call;
3788
3789   g_signal_connect (priv->handler, "state-changed",
3790     G_CALLBACK (empathy_call_window_state_changed_cb), self);
3791   g_signal_connect (priv->handler, "conference-added",
3792     G_CALLBACK (empathy_call_window_conference_added_cb), self);
3793   g_signal_connect (priv->handler, "conference-removed",
3794     G_CALLBACK (empathy_call_window_conference_removed_cb), self);
3795   g_signal_connect (priv->handler, "closed",
3796     G_CALLBACK (empathy_call_window_channel_closed_cb), self);
3797   g_signal_connect (priv->handler, "src-pad-added",
3798     G_CALLBACK (empathy_call_window_src_added_cb), self);
3799   g_signal_connect (priv->handler, "content-added",
3800     G_CALLBACK (empathy_call_window_content_added_cb), self);
3801   g_signal_connect (priv->handler, "content-removed",
3802     G_CALLBACK (empathy_call_window_content_removed_cb), self);
3803
3804   /* We connect to ::call-channel unconditionally since we'll
3805    * get new channels if we hangup and redial or if we reuse the
3806    * call window. */
3807   g_signal_connect (priv->handler, "notify::call-channel",
3808     G_CALLBACK (call_handler_notify_call_cb), self);
3809
3810   g_signal_connect (priv->handler, "framerate-changed",
3811     G_CALLBACK (empathy_call_window_framerate_changed_cb), self);
3812   g_signal_connect (priv->handler, "resolution-changed",
3813     G_CALLBACK (empathy_call_window_resolution_changed_cb), self);
3814
3815   g_object_get (priv->handler, "call-channel", &call, NULL);
3816   if (call != NULL)
3817     {
3818       /* We won't get notify::call-channel for this channel, so
3819        * directly call the callback. */
3820       call_handler_notify_call_cb (priv->handler, NULL, self);
3821       g_object_unref (call);
3822     }
3823 }
3824
3825 static void
3826 empathy_call_window_realized_cb (GtkWidget *widget,
3827     EmpathyCallWindow *self)
3828 {
3829   gint width;
3830
3831   /* Make the hangup button twice as wide */
3832   width = gtk_widget_get_allocated_width (self->priv->hangup_button);
3833   gtk_widget_set_size_request (self->priv->hangup_button, width * 2, -1);
3834
3835   empathy_call_window_connect_handler (self);
3836
3837   gst_element_set_state (self->priv->pipeline, GST_STATE_PAUSED);
3838 }
3839
3840 static gboolean
3841 empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event,
3842   EmpathyCallWindow *window)
3843 {
3844   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3845
3846   if (priv->pipeline != NULL)
3847     {
3848       if (priv->bus_message_source_id != 0)
3849         {
3850           g_source_remove (priv->bus_message_source_id);
3851           priv->bus_message_source_id = 0;
3852         }
3853
3854       gst_element_set_state (priv->pipeline, GST_STATE_NULL);
3855     }
3856
3857   if (priv->call_state == CONNECTING)
3858     empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING);
3859
3860   return FALSE;
3861 }
3862
3863 static void
3864 show_controls (EmpathyCallWindow *window, gboolean set_fullscreen)
3865 {
3866   GtkWidget *menu;
3867   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3868
3869   menu = gtk_ui_manager_get_widget (priv->ui_manager,
3870             "/menubar1");
3871
3872   if (set_fullscreen)
3873     {
3874       gtk_widget_hide (priv->dtmf_panel);
3875       gtk_widget_hide (menu);
3876       gtk_widget_hide (priv->toolbar);
3877     }
3878   else
3879     {
3880       if (priv->dialpad_was_visible_before_fs)
3881         gtk_widget_show (priv->dtmf_panel);
3882
3883       gtk_widget_show (menu);
3884       gtk_widget_show (priv->toolbar);
3885
3886       gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs,
3887           priv->original_height_before_fs);
3888     }
3889 }
3890
3891 static void
3892 show_borders (EmpathyCallWindow *window, gboolean set_fullscreen)
3893 {
3894   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3895
3896   gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox),
3897       set_fullscreen ? 0 : CONTENT_HBOX_BORDER_WIDTH);
3898   gtk_box_set_spacing (GTK_BOX (priv->content_hbox),
3899       set_fullscreen ? 0 : CONTENT_HBOX_SPACING);
3900
3901   if (priv->video_output != NULL)
3902     {
3903 #if 0
3904       gtk_box_set_child_packing (GTK_BOX (priv->content_hbox),
3905           priv->video_output, TRUE, TRUE,
3906           set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING,
3907           GTK_PACK_START);
3908 #endif
3909     }
3910 }
3911
3912 static gboolean
3913 empathy_call_window_state_event_cb (GtkWidget *widget,
3914   GdkEventWindowState *event, EmpathyCallWindow *window)
3915 {
3916   if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN)
3917     {
3918       EmpathyCallWindowPriv *priv = GET_PRIV (window);
3919       gboolean set_fullscreen = event->new_window_state &
3920         GDK_WINDOW_STATE_FULLSCREEN;
3921
3922       if (set_fullscreen)
3923         {
3924           gboolean dialpad_was_visible;
3925           GtkAllocation allocation;
3926           gint original_width, original_height;
3927
3928           gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3929           original_width = allocation.width;
3930           original_height = allocation.height;
3931
3932           g_object_get (priv->dtmf_panel,
3933               "visible", &dialpad_was_visible,
3934               NULL);
3935
3936           priv->dialpad_was_visible_before_fs = dialpad_was_visible;
3937           priv->original_width_before_fs = original_width;
3938           priv->original_height_before_fs = original_height;
3939
3940           if (priv->video_output_motion_handler_id == 0 &&
3941                 priv->video_output != NULL)
3942             {
3943               priv->video_output_motion_handler_id = g_signal_connect (
3944                   G_OBJECT (priv->video_container), "motion-notify-event",
3945                   G_CALLBACK (empathy_call_window_video_output_motion_notify),
3946                   window);
3947             }
3948         }
3949       else
3950         {
3951           disconnect_video_output_motion_handler (window);
3952         }
3953
3954       empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen,
3955           set_fullscreen);
3956       show_controls (window, set_fullscreen);
3957       show_borders (window, set_fullscreen);
3958       gtk_action_set_stock_id (priv->menu_fullscreen,
3959           (set_fullscreen ? "gtk-leave-fullscreen" : "gtk-fullscreen"));
3960       priv->is_fullscreen = set_fullscreen;
3961   }
3962
3963   return FALSE;
3964 }
3965
3966 static void
3967 empathy_call_window_show_dialpad (EmpathyCallWindow *window,
3968     gboolean active)
3969 {
3970   EmpathyCallWindowPriv *priv = GET_PRIV (window);
3971   int w, h, dialpad_width;
3972   GtkAllocation allocation;
3973
3974   gtk_widget_get_allocation (GTK_WIDGET (window), &allocation);
3975   w = allocation.width;
3976   h = allocation.height;
3977
3978   gtk_widget_get_preferred_width (priv->dtmf_panel, &dialpad_width, NULL);
3979
3980   if (active)
3981     {
3982       gtk_widget_show (priv->dtmf_panel);
3983       w += dialpad_width;
3984     }
3985   else
3986     {
3987       w -= dialpad_width;
3988       gtk_widget_hide (priv->dtmf_panel);
3989     }
3990
3991   if (w > 0 && h > 0)
3992     gtk_window_resize (GTK_WINDOW (window), w, h);
3993 }
3994
3995 static void
3996 empathy_call_window_set_send_video (EmpathyCallWindow *window,
3997   CameraState state)
3998 {
3999   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4000   TpyCallChannel *call;
4001
4002   priv->sending_video = (state == CAMERA_STATE_ON);
4003
4004   if (state == CAMERA_STATE_ON)
4005     {
4006       /* When we start sending video, we want to show the video preview by
4007          default. */
4008       display_video_preview (window, TRUE);
4009     }
4010   else
4011     {
4012       display_video_preview (window, FALSE);
4013     }
4014
4015   if (priv->call_state != CONNECTED)
4016     return;
4017
4018   g_object_get (priv->handler, "call-channel", &call, NULL);
4019   DEBUG ("%s sending video", priv->sending_video ? "start": "stop");
4020   tpy_call_channel_send_video (call, priv->sending_video);
4021   g_object_unref (call);
4022 }
4023
4024 static void
4025 empathy_call_window_hangup_cb (gpointer object,
4026     EmpathyCallWindow *self)
4027 {
4028   empathy_call_handler_stop_call (self->priv->handler);
4029
4030   empathy_call_window_disconnected (self, TRUE);
4031 }
4032
4033 static void
4034 empathy_call_window_restart_call (EmpathyCallWindow *window)
4035 {
4036   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4037
4038   /* Remove error info bars */
4039   gtk_container_forall (GTK_CONTAINER (priv->errors_vbox),
4040       (GtkCallback) gtk_widget_destroy, NULL);
4041
4042   create_video_output_widget (window);
4043   priv->outgoing = TRUE;
4044   empathy_call_window_set_state_connecting (window);
4045
4046   if (priv->pipeline_playing)
4047     start_call (window);
4048   else
4049     /* call will be started when the pipeline is ready */
4050     priv->start_call_when_playing = TRUE;
4051
4052   empathy_call_window_setup_avatars (window, priv->handler);
4053
4054   empathy_call_window_show_hangup_button (window, TRUE);
4055 }
4056
4057 static void
4058 empathy_call_window_dialpad_cb (GtkToggleToolButton *button,
4059     EmpathyCallWindow *window)
4060 {
4061   gboolean active;
4062
4063   active = gtk_toggle_tool_button_get_active (button);
4064
4065   empathy_call_window_show_dialpad (window, active);
4066 }
4067
4068 static void
4069 empathy_call_window_fullscreen_cb (gpointer object,
4070                                    EmpathyCallWindow *window)
4071 {
4072   empathy_call_window_fullscreen_toggle (window);
4073 }
4074
4075 static void
4076 empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window)
4077 {
4078   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4079
4080   if (priv->is_fullscreen)
4081     gtk_window_unfullscreen (GTK_WINDOW (window));
4082   else
4083     gtk_window_fullscreen (GTK_WINDOW (window));
4084 }
4085
4086 static gboolean
4087 empathy_call_window_video_button_press_cb (GtkWidget *video_preview,
4088   GdkEventButton *event, EmpathyCallWindow *window)
4089 {
4090   if (event->button == 3 && event->type == GDK_BUTTON_PRESS)
4091     {
4092       empathy_call_window_video_menu_popup (window, event->button);
4093       return TRUE;
4094     }
4095
4096   return FALSE;
4097 }
4098
4099 static gboolean
4100 empathy_call_window_key_press_cb (GtkWidget *video_output,
4101   GdkEventKey *event, EmpathyCallWindow *window)
4102 {
4103   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4104
4105   if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape)
4106     {
4107       /* Since we are in fullscreen mode, toggling will bring us back to
4108          normal mode. */
4109       empathy_call_window_fullscreen_toggle (window);
4110       return TRUE;
4111     }
4112
4113   return FALSE;
4114 }
4115
4116 static gboolean
4117 empathy_call_window_video_output_motion_notify (GtkWidget *widget,
4118     GdkEventMotion *event, EmpathyCallWindow *window)
4119 {
4120   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4121
4122   if (priv->is_fullscreen)
4123     {
4124       empathy_call_window_fullscreen_show_popup (priv->fullscreen);
4125
4126       /* Show the bottom toolbar */
4127       empathy_call_window_motion_notify_cb (NULL, NULL, window);
4128       return TRUE;
4129     }
4130   return FALSE;
4131 }
4132
4133 static void
4134 empathy_call_window_video_menu_popup (EmpathyCallWindow *window,
4135   guint button)
4136 {
4137   GtkWidget *menu;
4138   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4139
4140   menu = gtk_ui_manager_get_widget (priv->ui_manager,
4141             "/video-popup");
4142   gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL,
4143       button, gtk_get_current_event_time ());
4144   gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE);
4145 }
4146
4147 static void
4148 empathy_call_window_status_message (EmpathyCallWindow *self,
4149   gchar *message)
4150 {
4151   gtk_label_set_label (GTK_LABEL (self->priv->status_label), message);
4152 }
4153
4154 GtkUIManager *
4155 empathy_call_window_get_ui_manager (EmpathyCallWindow *window)
4156 {
4157   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4158
4159   return priv->ui_manager;
4160 }
4161
4162 EmpathyGstAudioSrc *
4163 empathy_call_window_get_audio_src (EmpathyCallWindow *window)
4164 {
4165   EmpathyCallWindowPriv *priv = GET_PRIV (window);
4166
4167   return (EmpathyGstAudioSrc *) priv->audio_input;
4168 }
4169
4170 EmpathyGstVideoSrc *
4171 empathy_call_window_get_video_src (EmpathyCallWindow *self)
4172 {
4173   return EMPATHY_GST_VIDEO_SRC (self->priv->video_input);
4174 }