/* * empathy-call-window.c - Source for EmpathyCallWindow * Copyright (C) 2008-2009 Collabora Ltd. * @author Sjoerd Simons * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define DEBUG_FLAG EMPATHY_DEBUG_VOIP #include #include "empathy-call-window.h" #include "empathy-call-window-fullscreen.h" #include "ev-sidebar.h" #define BUTTON_ID "empathy-call-dtmf-button-id" #define CONTENT_HBOX_BORDER_WIDTH 6 #define CONTENT_HBOX_SPACING 3 #define CONTENT_HBOX_CHILDREN_PACKING_PADDING 3 #define SELF_VIDEO_SECTION_WIDTH 160 #define SELF_VIDEO_SECTION_HEIGTH 120 /* The avatar's default width and height are set to the same value because we want a square icon. */ #define REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT #define REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT \ EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT /* If an video input error occurs, the error message will start with "v4l" */ #define VIDEO_INPUT_ERROR_PREFIX "v4l" /* The time interval in milliseconds between 2 outgoing rings */ #define MS_BETWEEN_RING 500 G_DEFINE_TYPE(EmpathyCallWindow, empathy_call_window, GTK_TYPE_WINDOW) /* signal enum */ #if 0 enum { LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = {0}; #endif enum { PROP_CALL_HANDLER = 1, }; typedef enum { CONNECTING, CONNECTED, DISCONNECTED, REDIALING } CallState; typedef enum { CAMERA_STATE_OFF = 0, CAMERA_STATE_PREVIEW, CAMERA_STATE_ON, } CameraState; /* private structure */ typedef struct _EmpathyCallWindowPriv EmpathyCallWindowPriv; struct _EmpathyCallWindowPriv { gboolean dispose_has_run; EmpathyCallHandler *handler; EmpathyContact *contact; guint call_state; gboolean outgoing; GtkUIManager *ui_manager; GtkWidget *errors_vbox; /* widget displays the video received from the remote user. This widget is * alive only during call. */ GtkWidget *video_output; GtkWidget *video_preview; GtkWidget *remote_user_avatar_widget; GtkWidget *self_user_avatar_widget; GtkWidget *sidebar; GtkWidget *sidebar_button; GtkWidget *statusbar; GtkWidget *volume_button; GtkWidget *redial_button; GtkWidget *mic_button; GtkWidget *toolbar; GtkWidget *pane; GtkAction *redial; GtkAction *menu_fullscreen; GtkAction *action_camera; GtkAction *action_camera_preview; GtkWidget *tool_button_camera_off; GtkWidget *tool_button_camera_preview; GtkWidget *tool_button_camera_on; /* The frames and boxes that contain self and remote avatar and video input/output. When we redial, we destroy and re-create the boxes */ GtkWidget *remote_user_output_frame; GtkWidget *self_user_output_frame; GtkWidget *remote_user_output_hbox; GtkWidget *self_user_output_hbox; /* We keep a reference on the hbox which contains the main content so we can easilly repack everything when toggling fullscreen */ GtkWidget *content_hbox; /* This vbox is contained in the content_hbox and it contains the self_user_output_frame and the sidebar button. When toggling fullscreen, it needs to be repacked. We keep a reference on it for easier access. */ GtkWidget *vbox; gulong video_output_motion_handler_id; guint bus_message_source_id; gdouble volume; GtkWidget *volume_scale; GtkWidget *volume_progress_bar; GtkAdjustment *audio_input_adj; GtkWidget *dtmf_panel; /* Details vbox */ GtkWidget *details_vbox; GtkWidget *vcodec_encoding_label; GtkWidget *acodec_encoding_label; GtkWidget *vcodec_decoding_label; GtkWidget *acodec_decoding_label; GtkWidget *audio_remote_candidate_label; GtkWidget *audio_local_candidate_label; GtkWidget *video_remote_candidate_label; GtkWidget *video_local_candidate_label; GtkWidget *video_remote_candidate_info_img; GtkWidget *video_local_candidate_info_img; GtkWidget *audio_remote_candidate_info_img; GtkWidget *audio_local_candidate_info_img; GstElement *video_input; GstElement *audio_input; GstElement *audio_output; GstElement *pipeline; GstElement *video_tee; GstElement *funnel; GstElement *liveadder; FsElementAddedNotifier *fsnotifier; guint context_id; GTimer *timer; guint timer_id; GtkWidget *video_contrast; GtkWidget *video_brightness; GtkWidget *video_gamma; GMutex *lock; gboolean call_started; gboolean sending_video; CameraState camera_state; EmpathyCallWindowFullscreen *fullscreen; gboolean is_fullscreen; /* Those fields represent the state of the window before it actually was in fullscreen mode. */ gboolean sidebar_was_visible_before_fs; gint original_width_before_fs; gint original_height_before_fs; /* TRUE if the call should be started when the pipeline is playing */ gboolean start_call_when_playing; /* TRUE if we requested to set the pipeline in the playing state */ gboolean pipeline_playing; EmpathySoundManager *sound_mgr; }; #define GET_PRIV(o) \ (G_TYPE_INSTANCE_GET_PRIVATE ((o), EMPATHY_TYPE_CALL_WINDOW, \ EmpathyCallWindowPriv)) static void empathy_call_window_realized_cb (GtkWidget *widget, EmpathyCallWindow *window); static gboolean empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent *event, EmpathyCallWindow *window); static gboolean empathy_call_window_state_event_cb (GtkWidget *widget, GdkEventWindowState *event, EmpathyCallWindow *window); static void empathy_call_window_sidebar_toggled_cb (GtkToggleButton *toggle, EmpathyCallWindow *window); static void empathy_call_window_set_send_video (EmpathyCallWindow *window, CameraState state); static void empathy_call_window_mic_toggled_cb ( GtkToggleToolButton *toggle, EmpathyCallWindow *window); static void empathy_call_window_sidebar_hidden_cb (EvSidebar *sidebar, EmpathyCallWindow *window); static void empathy_call_window_sidebar_shown_cb (EvSidebar *sidebar, EmpathyCallWindow *window); static void empathy_call_window_hangup_cb (gpointer object, EmpathyCallWindow *window); static void empathy_call_window_fullscreen_cb (gpointer object, EmpathyCallWindow *window); static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window); static gboolean empathy_call_window_video_button_press_cb ( GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window); static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output, GdkEventKey *event, EmpathyCallWindow *window); static gboolean empathy_call_window_video_output_motion_notify ( GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window); static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window, guint button); static void empathy_call_window_redial_cb (gpointer object, EmpathyCallWindow *window); static void empathy_call_window_restart_call (EmpathyCallWindow *window); static void empathy_call_window_status_message (EmpathyCallWindow *window, gchar *message); static void empathy_call_window_update_avatars_visibility (EmpathyTpCall *call, EmpathyCallWindow *window); static gboolean empathy_call_window_bus_message (GstBus *bus, GstMessage *message, gpointer user_data); static void empathy_call_window_volume_changed_cb (GtkScaleButton *button, gdouble value, EmpathyCallWindow *window); static void block_camera_control_signals (EmpathyCallWindow *self); static void unblock_camera_control_signals (EmpathyCallWindow *self); static void empathy_call_window_setup_toolbar (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GtkToolItem *tool_item; GtkWidget *camera_off_icon; GdkPixbuf *pixbuf, *modded_pixbuf; /* set the icon of the 'camera off' button by greying off the webcam icon */ pixbuf = empathy_pixbuf_from_icon_name ("camera-web", GTK_ICON_SIZE_SMALL_TOOLBAR); modded_pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf)); gdk_pixbuf_saturate_and_pixelate (pixbuf, modded_pixbuf, 1.0, TRUE); g_object_unref (pixbuf); camera_off_icon = gtk_image_new_from_pixbuf (modded_pixbuf); g_object_unref (modded_pixbuf); gtk_tool_button_set_icon_widget (GTK_TOOL_BUTTON ( priv->tool_button_camera_off), camera_off_icon); /* Add an empty expanded GtkToolItem so the volume button is at the end of * the toolbar. */ tool_item = gtk_tool_item_new (); gtk_tool_item_set_expand (tool_item, TRUE); gtk_widget_show (GTK_WIDGET (tool_item)); gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1); priv->volume_button = gtk_volume_button_new (); /* FIXME listen to the audiosinks signals and update the button according to * that, for now starting out at 1.0 and assuming only the app changes the * volume will do */ gtk_scale_button_set_value (GTK_SCALE_BUTTON (priv->volume_button), 1.0); g_signal_connect (G_OBJECT (priv->volume_button), "value-changed", G_CALLBACK (empathy_call_window_volume_changed_cb), self); tool_item = gtk_tool_item_new (); gtk_container_add (GTK_CONTAINER (tool_item), priv->volume_button); gtk_widget_show_all (GTK_WIDGET (tool_item)); gtk_toolbar_insert (GTK_TOOLBAR (priv->toolbar), tool_item, -1); } static void dtmf_button_pressed_cb (GtkButton *button, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); EmpathyTpCall *call; GQuark button_quark; TpDTMFEvent event; g_object_get (priv->handler, "tp-call", &call, NULL); button_quark = g_quark_from_static_string (BUTTON_ID); event = GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (button), button_quark)); empathy_tp_call_start_tone (call, event); g_object_unref (call); } static void dtmf_button_released_cb (GtkButton *button, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); EmpathyTpCall *call; g_object_get (priv->handler, "tp-call", &call, NULL); empathy_tp_call_stop_tone (call); g_object_unref (call); } static GtkWidget * empathy_call_window_create_dtmf (EmpathyCallWindow *self) { GtkWidget *table; int i; GQuark button_quark; struct { const gchar *label; TpDTMFEvent event; } dtmfbuttons[] = { { "1", TP_DTMF_EVENT_DIGIT_1 }, { "2", TP_DTMF_EVENT_DIGIT_2 }, { "3", TP_DTMF_EVENT_DIGIT_3 }, { "4", TP_DTMF_EVENT_DIGIT_4 }, { "5", TP_DTMF_EVENT_DIGIT_5 }, { "6", TP_DTMF_EVENT_DIGIT_6 }, { "7", TP_DTMF_EVENT_DIGIT_7 }, { "8", TP_DTMF_EVENT_DIGIT_8 }, { "9", TP_DTMF_EVENT_DIGIT_9 }, { "#", TP_DTMF_EVENT_HASH }, { "0", TP_DTMF_EVENT_DIGIT_0 }, { "*", TP_DTMF_EVENT_ASTERISK }, { NULL, } }; button_quark = g_quark_from_static_string (BUTTON_ID); table = gtk_table_new (4, 3, TRUE); for (i = 0; dtmfbuttons[i].label != NULL; i++) { GtkWidget *button = gtk_button_new_with_label (dtmfbuttons[i].label); gtk_table_attach (GTK_TABLE (table), button, i % 3, i % 3 + 1, i/3, i/3 + 1, GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 1, 1); g_object_set_qdata (G_OBJECT (button), button_quark, GUINT_TO_POINTER (dtmfbuttons[i].event)); g_signal_connect (G_OBJECT (button), "pressed", G_CALLBACK (dtmf_button_pressed_cb), self); g_signal_connect (G_OBJECT (button), "released", G_CALLBACK (dtmf_button_released_cb), self); } return table; } static GtkWidget * empathy_call_window_create_video_input_add_slider (EmpathyCallWindow *self, gchar *label_text, GtkWidget *bin) { GtkWidget *vbox = gtk_vbox_new (FALSE, 2); GtkWidget *scale = gtk_vscale_new_with_range (0, 100, 10); GtkWidget *label = gtk_label_new (label_text); gtk_widget_set_sensitive (scale, FALSE); gtk_container_add (GTK_CONTAINER (bin), vbox); gtk_range_set_inverted (GTK_RANGE (scale), TRUE); gtk_box_pack_start (GTK_BOX (vbox), scale, TRUE, TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0); return scale; } static void empathy_call_window_video_contrast_changed_cb (GtkAdjustment *adj, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); empathy_video_src_set_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST, gtk_adjustment_get_value (adj)); } static void empathy_call_window_video_brightness_changed_cb (GtkAdjustment *adj, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); empathy_video_src_set_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS, gtk_adjustment_get_value (adj)); } static void empathy_call_window_video_gamma_changed_cb (GtkAdjustment *adj, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); empathy_video_src_set_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA, gtk_adjustment_get_value (adj)); } static GtkWidget * empathy_call_window_create_video_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GtkWidget *hbox; hbox = gtk_hbox_new (TRUE, 3); priv->video_contrast = empathy_call_window_create_video_input_add_slider ( self, _("Contrast"), hbox); priv->video_brightness = empathy_call_window_create_video_input_add_slider ( self, _("Brightness"), hbox); priv->video_gamma = empathy_call_window_create_video_input_add_slider ( self, _("Gamma"), hbox); return hbox; } static void empathy_call_window_setup_video_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); guint supported; GtkAdjustment *adj; supported = empathy_video_src_get_supported_channels (priv->video_input); if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_CONTRAST) { adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_contrast)); gtk_adjustment_set_value (adj, empathy_video_src_get_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_CONTRAST)); g_signal_connect (G_OBJECT (adj), "value-changed", G_CALLBACK (empathy_call_window_video_contrast_changed_cb), self); gtk_widget_set_sensitive (priv->video_contrast, TRUE); } if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_BRIGHTNESS) { adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_brightness)); gtk_adjustment_set_value (adj, empathy_video_src_get_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_BRIGHTNESS)); g_signal_connect (G_OBJECT (adj), "value-changed", G_CALLBACK (empathy_call_window_video_brightness_changed_cb), self); gtk_widget_set_sensitive (priv->video_brightness, TRUE); } if (supported & EMPATHY_GST_VIDEO_SRC_SUPPORTS_GAMMA) { adj = gtk_range_get_adjustment (GTK_RANGE (priv->video_gamma)); gtk_adjustment_set_value (adj, empathy_video_src_get_channel (priv->video_input, EMPATHY_GST_VIDEO_SRC_CHANNEL_GAMMA)); g_signal_connect (G_OBJECT (adj), "value-changed", G_CALLBACK (empathy_call_window_video_gamma_changed_cb), self); gtk_widget_set_sensitive (priv->video_gamma, TRUE); } } static void empathy_call_window_mic_volume_changed_cb (GtkAdjustment *adj, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); gdouble volume; volume = gtk_adjustment_get_value (adj)/100.0; /* Don't store the volume because of muting */ if (volume > 0 || gtk_toggle_tool_button_get_active ( GTK_TOGGLE_TOOL_BUTTON (priv->mic_button))) priv->volume = volume; /* Ensure that the toggle button is active if the volume is > 0 and inactive * if it's smaller than 0 */ if ((volume > 0) != gtk_toggle_tool_button_get_active ( GTK_TOGGLE_TOOL_BUTTON (priv->mic_button))) gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), volume > 0); empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input), volume); } static void empathy_call_window_audio_input_level_changed_cb (EmpathyGstAudioSrc *src, gdouble level, EmpathyCallWindow *window) { gdouble value; EmpathyCallWindowPriv *priv = GET_PRIV (window); value = CLAMP (pow (10, level / 20), 0.0, 1.0); gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (priv->volume_progress_bar), value); } static GtkWidget * empathy_call_window_create_audio_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GtkWidget *hbox, *vbox, *label; hbox = gtk_hbox_new (TRUE, 3); vbox = gtk_vbox_new (FALSE, 3); gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 3); priv->volume_scale = gtk_vscale_new_with_range (0, 150, 100); gtk_range_set_inverted (GTK_RANGE (priv->volume_scale), TRUE); label = gtk_label_new (_("Volume")); priv->audio_input_adj = gtk_range_get_adjustment ( GTK_RANGE (priv->volume_scale)); priv->volume = empathy_audio_src_get_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input)); gtk_adjustment_set_value (priv->audio_input_adj, priv->volume * 100); g_signal_connect (G_OBJECT (priv->audio_input_adj), "value-changed", G_CALLBACK (empathy_call_window_mic_volume_changed_cb), self); gtk_box_pack_start (GTK_BOX (vbox), priv->volume_scale, TRUE, TRUE, 3); gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 3); priv->volume_progress_bar = gtk_progress_bar_new (); gtk_orientable_set_orientation (GTK_ORIENTABLE (priv->volume_progress_bar), GTK_ORIENTATION_VERTICAL); gtk_progress_bar_set_fraction (GTK_PROGRESS_BAR (priv->volume_progress_bar), 0); gtk_box_pack_start (GTK_BOX (hbox), priv->volume_progress_bar, FALSE, FALSE, 3); return hbox; } static void create_video_output_widget (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstBus *bus; g_assert (priv->video_output == NULL); g_assert (priv->pipeline != NULL); bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline)); priv->video_output = empathy_video_widget_new (bus); gtk_box_pack_start (GTK_BOX (priv->remote_user_output_hbox), priv->video_output, TRUE, TRUE, 0); gtk_widget_add_events (priv->video_output, GDK_BUTTON_PRESS_MASK | GDK_POINTER_MOTION_MASK); g_signal_connect (G_OBJECT (priv->video_output), "button-press-event", G_CALLBACK (empathy_call_window_video_button_press_cb), self); g_object_unref (bus); } static void create_audio_output (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_assert (priv->audio_output == NULL); priv->audio_output = empathy_audio_sink_new (); gst_object_ref (priv->audio_output); gst_object_sink (priv->audio_output); } static void create_video_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_assert (priv->video_input == NULL); priv->video_input = empathy_video_src_new (); gst_object_ref (priv->video_input); gst_object_sink (priv->video_input); } static void create_audio_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_assert (priv->audio_input == NULL); priv->audio_input = empathy_audio_src_new (); gst_object_ref (priv->audio_input); gst_object_sink (priv->audio_input); tp_g_signal_connect_object (priv->audio_input, "peak-level-changed", G_CALLBACK (empathy_call_window_audio_input_level_changed_cb), self, 0); } static void add_video_preview_to_pipeline (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstElement *preview; g_assert (priv->video_preview != NULL); g_assert (priv->pipeline != NULL); g_assert (priv->video_input != NULL); g_assert (priv->video_tee != NULL); preview = empathy_video_widget_get_element ( EMPATHY_VIDEO_WIDGET (priv->video_preview)); if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_input)) { g_warning ("Could not add video input to pipeline"); return; } if (!gst_bin_add (GST_BIN (priv->pipeline), priv->video_tee)) { g_warning ("Could not add video tee to pipeline"); return; } if (!gst_bin_add (GST_BIN (priv->pipeline), preview)) { g_warning ("Could not add video preview to pipeline"); return; } if (!gst_element_link (priv->video_input, priv->video_tee)) { g_warning ("Could not link video input to video tee"); return; } if (!gst_element_link (priv->video_tee, preview)) { g_warning ("Could not link video tee to video preview"); return; } } static void create_video_preview (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstBus *bus; g_assert (priv->video_preview == NULL); g_assert (priv->video_tee == NULL); bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline)); priv->video_preview = empathy_video_widget_new_with_size (bus, SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH); g_object_set (priv->video_preview, "sync", FALSE, "async", TRUE, NULL); gtk_box_pack_start (GTK_BOX (priv->self_user_output_hbox), priv->video_preview, TRUE, TRUE, 0); priv->video_tee = gst_element_factory_make ("tee", NULL); gst_object_ref (priv->video_tee); gst_object_sink (priv->video_tee); g_object_unref (bus); } static void play_camera (EmpathyCallWindow *window, gboolean play) { EmpathyCallWindowPriv *priv = GET_PRIV (window); GstElement *preview; GstState state; if (priv->video_preview == NULL) { create_video_preview (window); add_video_preview_to_pipeline (window); } if (play) state = GST_STATE_PLAYING; else state = GST_STATE_NULL; preview = empathy_video_widget_get_element ( EMPATHY_VIDEO_WIDGET (priv->video_preview)); gst_element_set_state (preview, state); gst_element_set_state (priv->video_input, state); gst_element_set_state (priv->video_tee, state); } static void display_video_preview (EmpathyCallWindow *self, gboolean display) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (display) { /* Display the preview and hide the self avatar */ DEBUG ("Show video preview"); play_camera (self, TRUE); gtk_widget_show (priv->video_preview); gtk_widget_hide (priv->self_user_avatar_widget); } else { /* Display the self avatar and hide the preview */ DEBUG ("Show self avatar"); if (priv->video_preview != NULL) { gtk_widget_hide (priv->video_preview); play_camera (self, FALSE); } gtk_widget_show (priv->self_user_avatar_widget); } } static void empathy_call_window_set_state_connecting (EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); empathy_call_window_status_message (window, _("Connecting…")); priv->call_state = CONNECTING; if (priv->outgoing) empathy_sound_manager_start_playing (priv->sound_mgr, GTK_WIDGET (window), EMPATHY_SOUND_PHONE_OUTGOING, MS_BETWEEN_RING); } static void disable_camera (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->camera_state == CAMERA_STATE_OFF) return; DEBUG ("Disable camera"); display_video_preview (self, FALSE); if (priv->camera_state == CAMERA_STATE_ON) empathy_call_window_set_send_video (self, CAMERA_STATE_OFF); block_camera_control_signals (self); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_on), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_preview), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_off), TRUE); gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera), CAMERA_STATE_OFF); unblock_camera_control_signals (self); priv->camera_state = CAMERA_STATE_OFF; } static void tool_button_camera_off_toggled_cb (GtkToggleToolButton *toggle, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (!gtk_toggle_tool_button_get_active (toggle)) { if (priv->camera_state == CAMERA_STATE_OFF) { /* We can't change the state by disabling the button */ block_camera_control_signals (self); gtk_toggle_tool_button_set_active (toggle, TRUE); unblock_camera_control_signals (self); } return; } disable_camera (self); } static void enable_preview (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->camera_state == CAMERA_STATE_PREVIEW) return; DEBUG ("Enable preview"); if (priv->camera_state == CAMERA_STATE_ON) { /* preview is already displayed so we just have to stop sending */ empathy_call_window_set_send_video (self, CAMERA_STATE_PREVIEW); } else { display_video_preview (self, TRUE); } block_camera_control_signals (self); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_off), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_on), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_preview), TRUE); gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera), CAMERA_STATE_PREVIEW); unblock_camera_control_signals (self); priv->camera_state = CAMERA_STATE_PREVIEW; } static void tool_button_camera_preview_toggled_cb (GtkToggleToolButton *toggle, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (!gtk_toggle_tool_button_get_active (toggle)) { if (priv->camera_state == CAMERA_STATE_PREVIEW) { /* We can't change the state by disabling the button */ block_camera_control_signals (self); gtk_toggle_tool_button_set_active (toggle, TRUE); unblock_camera_control_signals (self); } return; } enable_preview (self); } static void enable_camera (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->camera_state == CAMERA_STATE_ON) return; if (priv->video_input == NULL) { DEBUG ("Can't enable camera, no input"); return; } DEBUG ("Enable camera"); empathy_call_window_set_send_video (self, CAMERA_STATE_ON); block_camera_control_signals (self); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_off), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_preview), FALSE); gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON ( priv->tool_button_camera_on), TRUE); gtk_radio_action_set_current_value (GTK_RADIO_ACTION (priv->action_camera), CAMERA_STATE_ON); unblock_camera_control_signals (self); priv->camera_state = CAMERA_STATE_ON; } static void tool_button_camera_on_toggled_cb (GtkToggleToolButton *toggle, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (!gtk_toggle_tool_button_get_active (toggle)) { if (priv->camera_state == CAMERA_STATE_ON) { /* We can't change the state by disabling the button */ block_camera_control_signals (self); gtk_toggle_tool_button_set_active (toggle, TRUE); unblock_camera_control_signals (self); } return; } enable_camera (self); } static void action_camera_change_cb (GtkRadioAction *action, GtkRadioAction *current, EmpathyCallWindow *self) { CameraState state; state = gtk_radio_action_get_current_value (current); switch (state) { case CAMERA_STATE_OFF: disable_camera (self); break; case CAMERA_STATE_PREVIEW: enable_preview (self); break; case CAMERA_STATE_ON: enable_camera (self); break; default: g_assert_not_reached (); } } static void create_pipeline (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstBus *bus; g_assert (priv->pipeline == NULL); priv->pipeline = gst_pipeline_new (NULL); priv->pipeline_playing = FALSE; bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline)); priv->bus_message_source_id = gst_bus_add_watch (bus, empathy_call_window_bus_message, self); g_object_unref (bus); } static void empathy_call_window_init (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GtkBuilder *gui; GtkWidget *top_vbox; GtkWidget *h; GtkWidget *arrow; GtkWidget *page; gchar *filename; GKeyFile *keyfile; GError *error = NULL; filename = empathy_file_lookup ("empathy-call-window.ui", "src"); gui = empathy_builder_get_file (filename, "call_window_vbox", &top_vbox, "errors_vbox", &priv->errors_vbox, "pane", &priv->pane, "statusbar", &priv->statusbar, "redial", &priv->redial_button, "microphone", &priv->mic_button, "toolbar", &priv->toolbar, "menuredial", &priv->redial, "ui_manager", &priv->ui_manager, "menufullscreen", &priv->menu_fullscreen, "camera_off", &priv->tool_button_camera_off, "camera_preview", &priv->tool_button_camera_preview, "camera_on", &priv->tool_button_camera_on, "action_camera_off", &priv->action_camera, "action_camera_preview", &priv->action_camera_preview, "details_vbox", &priv->details_vbox, "vcodec_encoding_label", &priv->vcodec_encoding_label, "acodec_encoding_label", &priv->acodec_encoding_label, "acodec_decoding_label", &priv->acodec_decoding_label, "vcodec_decoding_label", &priv->vcodec_decoding_label, "audio_remote_candidate_label", &priv->audio_remote_candidate_label, "audio_local_candidate_label", &priv->audio_local_candidate_label, "video_remote_candidate_label", &priv->video_remote_candidate_label, "video_local_candidate_label", &priv->video_local_candidate_label, "video_remote_candidate_info_img", &priv->video_remote_candidate_info_img, "video_local_candidate_info_img", &priv->video_local_candidate_info_img, "audio_remote_candidate_info_img", &priv->audio_remote_candidate_info_img, "audio_local_candidate_info_img", &priv->audio_local_candidate_info_img, NULL); g_free (filename); empathy_builder_connect (gui, self, "menuhangup", "activate", empathy_call_window_hangup_cb, "hangup", "clicked", empathy_call_window_hangup_cb, "menuredial", "activate", empathy_call_window_redial_cb, "redial", "clicked", empathy_call_window_redial_cb, "microphone", "toggled", empathy_call_window_mic_toggled_cb, "menufullscreen", "activate", empathy_call_window_fullscreen_cb, "camera_off", "toggled", tool_button_camera_off_toggled_cb, "camera_preview", "toggled", tool_button_camera_preview_toggled_cb, "camera_on", "toggled", tool_button_camera_on_toggled_cb, "action_camera_off", "changed", action_camera_change_cb, NULL); gtk_action_set_sensitive (priv->menu_fullscreen, FALSE); priv->lock = g_mutex_new (); gtk_container_add (GTK_CONTAINER (self), top_vbox); priv->content_hbox = gtk_hbox_new (FALSE, CONTENT_HBOX_SPACING); gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox), CONTENT_HBOX_BORDER_WIDTH); gtk_paned_pack1 (GTK_PANED (priv->pane), priv->content_hbox, TRUE, FALSE); /* remote user output frame */ priv->remote_user_output_frame = gtk_frame_new (NULL); gtk_widget_set_size_request (priv->remote_user_output_frame, EMPATHY_VIDEO_WIDGET_DEFAULT_WIDTH, EMPATHY_VIDEO_WIDGET_DEFAULT_HEIGHT); gtk_box_pack_start (GTK_BOX (priv->content_hbox), priv->remote_user_output_frame, TRUE, TRUE, CONTENT_HBOX_CHILDREN_PACKING_PADDING); priv->remote_user_output_hbox = gtk_hbox_new (FALSE, 0); priv->remote_user_avatar_widget = gtk_image_new (); gtk_box_pack_start (GTK_BOX (priv->remote_user_output_hbox), priv->remote_user_avatar_widget, TRUE, TRUE, 0); gtk_container_add (GTK_CONTAINER (priv->remote_user_output_frame), priv->remote_user_output_hbox); /* self user output frame */ priv->self_user_output_frame = gtk_frame_new (NULL); gtk_widget_set_size_request (priv->self_user_output_frame, SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH); priv->self_user_output_hbox = gtk_hbox_new (FALSE, 0); priv->self_user_avatar_widget = gtk_image_new (); gtk_box_pack_start (GTK_BOX (priv->self_user_output_hbox), priv->self_user_avatar_widget, TRUE, TRUE, 0); gtk_container_add (GTK_CONTAINER (priv->self_user_output_frame), priv->self_user_output_hbox); create_pipeline (self); create_video_output_widget (self); create_audio_input (self); create_audio_output (self); create_video_input (self); priv->fsnotifier = fs_element_added_notifier_new (); fs_element_added_notifier_add (priv->fsnotifier, GST_BIN (priv->pipeline)); /* The call will be started as soon the pipeline is playing */ priv->start_call_when_playing = TRUE; keyfile = g_key_file_new (); filename = empathy_file_lookup ("element-properties", "data"); if (g_key_file_load_from_file (keyfile, filename, G_KEY_FILE_NONE, &error)) { fs_element_added_notifier_set_properties_from_keyfile (priv->fsnotifier, keyfile); } else { g_warning ("Could not load element-properties file: %s", error->message); g_key_file_free (keyfile); g_clear_error (&error); } g_free (filename); priv->vbox = gtk_vbox_new (FALSE, 3); gtk_box_pack_start (GTK_BOX (priv->content_hbox), priv->vbox, FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING); gtk_box_pack_start (GTK_BOX (priv->vbox), priv->self_user_output_frame, FALSE, FALSE, 0); empathy_call_window_setup_toolbar (self); priv->sidebar_button = gtk_toggle_button_new_with_mnemonic (_("_Sidebar")); arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE); g_signal_connect (G_OBJECT (priv->sidebar_button), "toggled", G_CALLBACK (empathy_call_window_sidebar_toggled_cb), self); gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow); h = gtk_hbox_new (FALSE, 3); gtk_box_pack_end (GTK_BOX (priv->vbox), h, FALSE, FALSE, 3); gtk_box_pack_end (GTK_BOX (h), priv->sidebar_button, FALSE, FALSE, 3); priv->sidebar = ev_sidebar_new (); g_signal_connect (G_OBJECT (priv->sidebar), "hide", G_CALLBACK (empathy_call_window_sidebar_hidden_cb), self); g_signal_connect (G_OBJECT (priv->sidebar), "show", G_CALLBACK (empathy_call_window_sidebar_shown_cb), self); gtk_paned_pack2 (GTK_PANED (priv->pane), priv->sidebar, FALSE, FALSE); page = empathy_call_window_create_audio_input (self); ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "audio-input", _("Audio input"), page); page = empathy_call_window_create_video_input (self); ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "video-input", _("Video input"), page); priv->dtmf_panel = empathy_call_window_create_dtmf (self); ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "dialpad", _("Dialpad"), priv->dtmf_panel); gtk_widget_set_sensitive (priv->dtmf_panel, FALSE); ev_sidebar_add_page (EV_SIDEBAR (priv->sidebar), "details", _("Details"), priv->details_vbox); gtk_widget_show_all (top_vbox); gtk_widget_hide (priv->sidebar); priv->fullscreen = empathy_call_window_fullscreen_new (self); empathy_call_window_fullscreen_set_video_widget (priv->fullscreen, priv->video_output); g_signal_connect (G_OBJECT (priv->fullscreen->leave_fullscreen_button), "clicked", G_CALLBACK (empathy_call_window_fullscreen_cb), self); g_signal_connect (G_OBJECT (self), "realize", G_CALLBACK (empathy_call_window_realized_cb), self); g_signal_connect (G_OBJECT (self), "delete-event", G_CALLBACK (empathy_call_window_delete_cb), self); g_signal_connect (G_OBJECT (self), "window-state-event", G_CALLBACK (empathy_call_window_state_event_cb), self); g_signal_connect (G_OBJECT (self), "key-press-event", G_CALLBACK (empathy_call_window_key_press_cb), self); priv->timer = g_timer_new (); g_object_ref (priv->ui_manager); g_object_unref (gui); priv->sound_mgr = empathy_sound_manager_dup_singleton (); empathy_geometry_bind (GTK_WINDOW (self), "call-window"); } /* Instead of specifying a width and a height, we specify only one size. That's because we want a square avatar icon. */ static void init_contact_avatar_with_size (EmpathyContact *contact, GtkWidget *image_widget, gint size) { GdkPixbuf *pixbuf_avatar = NULL; if (contact != NULL) { pixbuf_avatar = empathy_pixbuf_avatar_from_contact_scaled (contact, size, size); } if (pixbuf_avatar == NULL) { pixbuf_avatar = empathy_pixbuf_from_icon_name_sized ( EMPATHY_IMAGE_AVATAR_DEFAULT, size); } gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), pixbuf_avatar); if (pixbuf_avatar != NULL) g_object_unref (pixbuf_avatar); } static void set_window_title (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); gchar *tmp; /* translators: Call is a noun and %s is the contact name. This string * is used in the window title */ tmp = g_strdup_printf (_("Call with %s"), empathy_contact_get_alias (priv->contact)); gtk_window_set_title (GTK_WINDOW (self), tmp); g_free (tmp); } static void contact_name_changed_cb (EmpathyContact *contact, GParamSpec *pspec, EmpathyCallWindow *self) { set_window_title (self); } static void contact_avatar_changed_cb (EmpathyContact *contact, GParamSpec *pspec, GtkWidget *avatar_widget) { int size; GtkAllocation allocation; gtk_widget_get_allocation (avatar_widget, &allocation); size = allocation.height; if (size == 0) { /* the widget is not allocated yet, set a default size */ size = MIN (REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT, REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH); } init_contact_avatar_with_size (contact, avatar_widget, size); } static void empathy_call_window_got_self_contact_cb (TpConnection *connection, EmpathyContact *contact, const GError *error, gpointer user_data, GObject *weak_object) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); init_contact_avatar_with_size (contact, priv->self_user_avatar_widget, MIN (SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH)); g_signal_connect (contact, "notify::avatar", G_CALLBACK (contact_avatar_changed_cb), priv->self_user_avatar_widget); } static void empathy_call_window_setup_avatars (EmpathyCallWindow *self, EmpathyCallHandler *handler) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_object_get (handler, "contact", &(priv->contact), NULL); if (priv->contact != NULL) { TpConnection *connection; set_window_title (self); g_signal_connect (priv->contact, "notify::name", G_CALLBACK (contact_name_changed_cb), self); g_signal_connect (priv->contact, "notify::avatar", G_CALLBACK (contact_avatar_changed_cb), priv->remote_user_avatar_widget); /* Retreiving the self avatar */ connection = empathy_contact_get_connection (priv->contact); empathy_tp_contact_factory_get_from_handle (connection, tp_connection_get_self_handle (connection), empathy_call_window_got_self_contact_cb, self, NULL, G_OBJECT (self)); } else { g_warning ("call handler doesn't have a contact"); /* translators: Call is a noun. This string is used in the window * title */ gtk_window_set_title (GTK_WINDOW (self), _("Call")); /* Since we can't access the remote contact, we can't get a connection to it and can't get the self contact (and its avatar). This means that we have to manually set the self avatar. */ init_contact_avatar_with_size (NULL, priv->self_user_avatar_widget, MIN (SELF_VIDEO_SECTION_WIDTH, SELF_VIDEO_SECTION_HEIGTH)); } init_contact_avatar_with_size (priv->contact, priv->remote_user_avatar_widget, MIN (REMOTE_CONTACT_AVATAR_DEFAULT_WIDTH, REMOTE_CONTACT_AVATAR_DEFAULT_HEIGHT)); /* The remote avatar is shown by default and will be hidden when we receive video from the remote side. */ gtk_widget_hide (priv->video_output); gtk_widget_show (priv->remote_user_avatar_widget); } static void update_send_codec (EmpathyCallWindow *self, gboolean audio) { EmpathyCallWindowPriv *priv = GET_PRIV (self); FsCodec *codec; GtkWidget *widget; gchar *tmp; if (audio) { codec = empathy_call_handler_get_send_audio_codec (priv->handler); widget = priv->acodec_encoding_label; } else { codec = empathy_call_handler_get_send_video_codec (priv->handler); widget = priv->vcodec_encoding_label; } if (codec == NULL) return; tmp = g_strdup_printf ("%s/%u", codec->encoding_name, codec->clock_rate); gtk_label_set_text (GTK_LABEL (widget), tmp); g_free (tmp); } static void send_audio_codec_notify_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { EmpathyCallWindow *self = user_data; update_send_codec (self, TRUE); } static void send_video_codec_notify_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { EmpathyCallWindow *self = user_data; update_send_codec (self, FALSE); } static void update_recv_codec (EmpathyCallWindow *self, gboolean audio) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GList *codecs, *l; GtkWidget *widget; GString *str = NULL; if (audio) { codecs = empathy_call_handler_get_recv_audio_codecs (priv->handler); widget = priv->acodec_decoding_label; } else { codecs = empathy_call_handler_get_recv_video_codecs (priv->handler); widget = priv->vcodec_decoding_label; } if (codecs == NULL) return; for (l = codecs; l != NULL; l = g_list_next (l)) { FsCodec *codec = l->data; if (str == NULL) str = g_string_new (NULL); else g_string_append (str, ", "); g_string_append_printf (str, "%s/%u", codec->encoding_name, codec->clock_rate); } gtk_label_set_text (GTK_LABEL (widget), str->str); g_string_free (str, TRUE); } static void recv_audio_codecs_notify_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { EmpathyCallWindow *self = user_data; update_recv_codec (self, TRUE); } static void recv_video_codecs_notify_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { EmpathyCallWindow *self = user_data; update_recv_codec (self, FALSE); } static const gchar * candidate_type_to_str (FsCandidate *candidate) { switch (candidate->type) { case FS_CANDIDATE_TYPE_HOST: return "host"; case FS_CANDIDATE_TYPE_SRFLX: return "server reflexive"; case FS_CANDIDATE_TYPE_PRFLX: return "peer reflexive"; case FS_CANDIDATE_TYPE_RELAY: return "relay"; case FS_CANDIDATE_TYPE_MULTICAST: return "multicast"; } return NULL; } static const gchar * candidate_type_to_desc (FsCandidate *candidate) { switch (candidate->type) { case FS_CANDIDATE_TYPE_HOST: return _("The IP address as seen by the machine"); case FS_CANDIDATE_TYPE_SRFLX: return _("The IP address as seen by a server on the Internet"); case FS_CANDIDATE_TYPE_PRFLX: return _("The IP address of the peer as seen by the other side"); case FS_CANDIDATE_TYPE_RELAY: return _("The IP address of a relay server"); case FS_CANDIDATE_TYPE_MULTICAST: return _("The IP address of the multicast group"); } return NULL; } static void update_candidat_widget (EmpathyCallWindow *self, GtkWidget *label, GtkWidget *img, FsCandidate *candidate) { gchar *str; g_assert (candidate != NULL); str = g_strdup_printf ("%s %u (%s)", candidate->ip, candidate->port, candidate_type_to_str (candidate)); gtk_label_set_text (GTK_LABEL (label), str); gtk_widget_set_tooltip_text (img, candidate_type_to_desc (candidate)); g_free (str); } static void candidates_changed_cb (GObject *object, FsMediaType type, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); FsCandidate *candidate = NULL; if (type == FS_MEDIA_TYPE_VIDEO) { /* Update remote candidate */ candidate = empathy_call_handler_get_video_remote_candidate ( priv->handler); update_candidat_widget (self, priv->video_remote_candidate_label, priv->video_remote_candidate_info_img, candidate); /* Update local candidate */ candidate = empathy_call_handler_get_video_local_candidate ( priv->handler); update_candidat_widget (self, priv->video_local_candidate_label, priv->video_local_candidate_info_img, candidate); } else { /* Update remote candidate */ candidate = empathy_call_handler_get_audio_remote_candidate ( priv->handler); update_candidat_widget (self, priv->audio_remote_candidate_label, priv->audio_remote_candidate_info_img, candidate); /* Update local candidate */ candidate = empathy_call_handler_get_audio_local_candidate ( priv->handler); update_candidat_widget (self, priv->audio_local_candidate_label, priv->audio_local_candidate_info_img, candidate); } } static void empathy_call_window_constructed (GObject *object) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object); EmpathyCallWindowPriv *priv = GET_PRIV (self); EmpathyTpCall *call; g_assert (priv->handler != NULL); g_object_get (priv->handler, "tp-call", &call, NULL); priv->outgoing = (call == NULL); if (call != NULL) g_object_unref (call); empathy_call_window_setup_avatars (self, priv->handler); empathy_call_window_set_state_connecting (self); if (!empathy_call_handler_has_initial_video (priv->handler)) { gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_off), TRUE); } /* If call has InitialVideo, the preview will be started once the call has * been started (start_call()). */ update_send_codec (self, TRUE); update_send_codec (self, FALSE); update_recv_codec (self, TRUE); update_recv_codec (self, FALSE); tp_g_signal_connect_object (priv->handler, "notify::send-audio-codec", G_CALLBACK (send_audio_codec_notify_cb), self, 0); tp_g_signal_connect_object (priv->handler, "notify::send-video-codec", G_CALLBACK (send_video_codec_notify_cb), self, 0); tp_g_signal_connect_object (priv->handler, "notify::recv-audio-codecs", G_CALLBACK (recv_audio_codecs_notify_cb), self, 0); tp_g_signal_connect_object (priv->handler, "notify::recv-video-codecs", G_CALLBACK (recv_video_codecs_notify_cb), self, 0); tp_g_signal_connect_object (priv->handler, "candidates-changed", G_CALLBACK (candidates_changed_cb), self, 0); } static void empathy_call_window_dispose (GObject *object); static void empathy_call_window_finalize (GObject *object); static void empathy_call_window_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { EmpathyCallWindowPriv *priv = GET_PRIV (object); switch (property_id) { case PROP_CALL_HANDLER: priv->handler = g_value_dup_object (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } } static void empathy_call_window_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { EmpathyCallWindowPriv *priv = GET_PRIV (object); switch (property_id) { case PROP_CALL_HANDLER: g_value_set_object (value, priv->handler); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } } static void empathy_call_window_class_init ( EmpathyCallWindowClass *empathy_call_window_class) { GObjectClass *object_class = G_OBJECT_CLASS (empathy_call_window_class); GParamSpec *param_spec; g_type_class_add_private (empathy_call_window_class, sizeof (EmpathyCallWindowPriv)); object_class->constructed = empathy_call_window_constructed; object_class->set_property = empathy_call_window_set_property; object_class->get_property = empathy_call_window_get_property; object_class->dispose = empathy_call_window_dispose; object_class->finalize = empathy_call_window_finalize; param_spec = g_param_spec_object ("handler", "handler", "The call handler", EMPATHY_TYPE_CALL_HANDLER, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_CALL_HANDLER, param_spec); } static void empathy_call_window_video_stream_changed_cb (EmpathyTpCall *call, GParamSpec *property, EmpathyCallWindow *self) { DEBUG ("video stream changed"); empathy_call_window_update_avatars_visibility (call, self); } void empathy_call_window_dispose (GObject *object) { EmpathyTpCall *call; EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object); EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->dispose_has_run) return; priv->dispose_has_run = TRUE; g_object_get (priv->handler, "tp-call", &call, NULL); if (call != NULL) { g_object_unref (call); } if (priv->handler != NULL) { empathy_call_handler_stop_call (priv->handler); g_object_unref (priv->handler); } priv->handler = NULL; if (priv->bus_message_source_id != 0) { g_source_remove (priv->bus_message_source_id); priv->bus_message_source_id = 0; } if (priv->pipeline != NULL) g_object_unref (priv->pipeline); priv->pipeline = NULL; if (priv->video_input != NULL) g_object_unref (priv->video_input); priv->video_input = NULL; if (priv->audio_input != NULL) g_object_unref (priv->audio_input); priv->audio_input = NULL; if (priv->audio_output != NULL) g_object_unref (priv->audio_output); priv->audio_output = NULL; if (priv->video_tee != NULL) g_object_unref (priv->video_tee); priv->video_tee = NULL; if (priv->liveadder != NULL) gst_object_unref (priv->liveadder); priv->liveadder = NULL; if (priv->fsnotifier != NULL) g_object_unref (priv->fsnotifier); priv->fsnotifier = NULL; if (priv->timer_id != 0) g_source_remove (priv->timer_id); priv->timer_id = 0; if (priv->ui_manager != NULL) g_object_unref (priv->ui_manager); priv->ui_manager = NULL; if (priv->fullscreen != NULL) g_object_unref (priv->fullscreen); priv->fullscreen = NULL; if (priv->contact != NULL) { g_signal_handlers_disconnect_by_func (priv->contact, contact_name_changed_cb, self); g_object_unref (priv->contact); priv->contact = NULL; } tp_clear_object (&priv->sound_mgr); /* release any references held by the object here */ if (G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose) G_OBJECT_CLASS (empathy_call_window_parent_class)->dispose (object); } static void disconnect_video_output_motion_handler (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->video_output_motion_handler_id != 0) { g_signal_handler_disconnect (G_OBJECT (priv->video_output), priv->video_output_motion_handler_id); priv->video_output_motion_handler_id = 0; } } void empathy_call_window_finalize (GObject *object) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object); EmpathyCallWindowPriv *priv = GET_PRIV (self); disconnect_video_output_motion_handler (self); /* free any data held directly by the object here */ g_mutex_free (priv->lock); g_timer_destroy (priv->timer); G_OBJECT_CLASS (empathy_call_window_parent_class)->finalize (object); } EmpathyCallWindow * empathy_call_window_new (EmpathyCallHandler *handler) { return EMPATHY_CALL_WINDOW ( g_object_new (EMPATHY_TYPE_CALL_WINDOW, "handler", handler, NULL)); } static void empathy_call_window_conference_added_cb (EmpathyCallHandler *handler, GstElement *conference, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); gst_bin_add (GST_BIN (priv->pipeline), conference); gst_element_set_state (conference, GST_STATE_PLAYING); } static gboolean empathy_call_window_request_resource_cb (EmpathyCallHandler *handler, FsMediaType type, FsStreamDirection direction, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); if (type != FS_MEDIA_TYPE_VIDEO) return TRUE; if (direction == FS_DIRECTION_RECV) return TRUE; /* video and direction is send */ return priv->video_input != NULL; } static gboolean empathy_call_window_reset_pipeline (EmpathyCallWindow *self) { GstStateChangeReturn state_change_return; EmpathyCallWindowPriv *priv = GET_PRIV (self); if (priv->pipeline == NULL) return TRUE; if (priv->bus_message_source_id != 0) { g_source_remove (priv->bus_message_source_id); priv->bus_message_source_id = 0; } state_change_return = gst_element_set_state (priv->pipeline, GST_STATE_NULL); if (state_change_return == GST_STATE_CHANGE_SUCCESS || state_change_return == GST_STATE_CHANGE_NO_PREROLL) { if (priv->pipeline != NULL) g_object_unref (priv->pipeline); priv->pipeline = NULL; g_signal_handlers_disconnect_by_func (priv->audio_input_adj, empathy_call_window_mic_volume_changed_cb, self); if (priv->video_tee != NULL) g_object_unref (priv->video_tee); priv->video_tee = NULL; if (priv->video_preview != NULL) gtk_widget_destroy (priv->video_preview); priv->video_preview = NULL; priv->liveadder = NULL; priv->funnel = NULL; create_pipeline (self); /* Call will be started when user will hit the 'redial' button */ priv->start_call_when_playing = FALSE; gst_element_set_state (priv->pipeline, GST_STATE_PAUSED); return TRUE; } else { g_message ("Error: could not destroy pipeline. Closing call window"); gtk_widget_destroy (GTK_WIDGET (self)); return FALSE; } } static void reset_details_pane (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); gtk_label_set_text (GTK_LABEL (priv->vcodec_encoding_label), _("Unknown")); gtk_label_set_text (GTK_LABEL (priv->acodec_encoding_label), _("Unknown")); gtk_label_set_text (GTK_LABEL (priv->vcodec_decoding_label), _("Unknown")); gtk_label_set_text (GTK_LABEL (priv->acodec_decoding_label), _("Unknown")); } static gboolean empathy_call_window_disconnected (EmpathyCallWindow *self, gboolean restart) { gboolean could_disconnect = FALSE; EmpathyCallWindowPriv *priv = GET_PRIV (self); gboolean could_reset_pipeline; /* Leave full screen mode if needed */ gtk_window_unfullscreen (GTK_WINDOW (self)); gtk_action_set_sensitive (priv->menu_fullscreen, FALSE); could_reset_pipeline = empathy_call_window_reset_pipeline (self); if (priv->call_state == CONNECTING) empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING); if (priv->call_state != REDIALING) priv->call_state = DISCONNECTED; if (could_reset_pipeline) { g_mutex_lock (priv->lock); g_timer_stop (priv->timer); if (priv->timer_id != 0) g_source_remove (priv->timer_id); priv->timer_id = 0; g_mutex_unlock (priv->lock); if (!restart) /* We are about to destroy the window, no need to update it or create * a video preview */ return TRUE; empathy_call_window_status_message (self, _("Disconnected")); gtk_action_set_sensitive (priv->redial, TRUE); gtk_widget_set_sensitive (priv->redial_button, TRUE); /* Unsensitive the camera and mic button */ gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE); gtk_widget_set_sensitive (priv->mic_button, FALSE); /* Be sure that the mic button is enabled */ gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE); if (priv->camera_state == CAMERA_STATE_ON) { /* Enable the 'preview' button as we are not sending atm. */ gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_preview), TRUE); } else if (priv->camera_state == CAMERA_STATE_PREVIEW) { /* Restart the preview with the new pipeline. */ display_video_preview (self, TRUE); } gtk_progress_bar_set_fraction ( GTK_PROGRESS_BAR (priv->volume_progress_bar), 0); /* destroy the video output; it will be recreated when we'll redial */ disconnect_video_output_motion_handler (self); gtk_widget_destroy (priv->video_output); priv->video_output = NULL; gtk_widget_show (priv->remote_user_avatar_widget); reset_details_pane (self); priv->sending_video = FALSE; priv->call_started = FALSE; could_disconnect = TRUE; /* TODO: display the self avatar of the preview (depends if the "Always * Show Video Preview" is enabled or not) */ } return could_disconnect; } static void empathy_call_window_channel_closed_cb (EmpathyCallHandler *handler, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); if (empathy_call_window_disconnected (self, TRUE) && priv->call_state == REDIALING) empathy_call_window_restart_call (self); } static void empathy_call_window_channel_stream_closed_cb (EmpathyCallHandler *handler, TfStream *stream, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); guint media_type; g_object_get (stream, "media-type", &media_type, NULL); /* * This assumes that there is only one video stream per channel... */ if (media_type == TP_MEDIA_STREAM_TYPE_VIDEO) { if (priv->funnel != NULL) { GstElement *output; output = empathy_video_widget_get_element (EMPATHY_VIDEO_WIDGET (priv->video_output)); gst_element_set_state (output, GST_STATE_NULL); gst_element_set_state (priv->funnel, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), output); gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel); priv->funnel = NULL; } } else if (media_type == TP_MEDIA_STREAM_TYPE_AUDIO) { if (priv->liveadder != NULL) { gst_element_set_state (priv->audio_output, GST_STATE_NULL); gst_element_set_state (priv->liveadder, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output); gst_bin_remove (GST_BIN (priv->pipeline), priv->liveadder); priv->liveadder = NULL; } } } /* Called with global lock held */ static GstPad * empathy_call_window_get_video_sink_pad (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstPad *pad; GstElement *output; if (priv->funnel == NULL) { output = empathy_video_widget_get_element (EMPATHY_VIDEO_WIDGET (priv->video_output)); priv->funnel = gst_element_factory_make ("fsfunnel", NULL); if (!priv->funnel) { g_warning ("Could not create fsfunnel"); return NULL; } if (!gst_bin_add (GST_BIN (priv->pipeline), priv->funnel)) { gst_object_unref (priv->funnel); priv->funnel = NULL; g_warning ("Could not add funnel to pipeline"); return NULL; } if (!gst_bin_add (GST_BIN (priv->pipeline), output)) { g_warning ("Could not add the video output widget to the pipeline"); goto error; } if (!gst_element_link (priv->funnel, output)) { g_warning ("Could not link output sink to funnel"); goto error_output_added; } if (gst_element_set_state (output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start video sink"); goto error_output_added; } if (gst_element_set_state (priv->funnel, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start funnel"); goto error_output_added; } } pad = gst_element_get_request_pad (priv->funnel, "sink%d"); if (!pad) g_warning ("Could not get request pad from funnel"); return pad; error_output_added: gst_element_set_locked_state (priv->funnel, TRUE); gst_element_set_locked_state (output, TRUE); gst_element_set_state (priv->funnel, GST_STATE_NULL); gst_element_set_state (output, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), output); gst_element_set_locked_state (output, FALSE); error: gst_bin_remove (GST_BIN (priv->pipeline), priv->funnel); priv->funnel = NULL; return NULL; } /* Called with global lock held */ static GstPad * empathy_call_window_get_audio_sink_pad (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstPad *pad; GstElement *filter; GError *gerror = NULL; if (priv->liveadder == NULL) { priv->liveadder = gst_element_factory_make ("liveadder", NULL); if (!gst_bin_add (GST_BIN (priv->pipeline), priv->liveadder)) { g_warning ("Could not add liveadder to the pipeline"); goto error_add_liveadder; } if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_output)) { g_warning ("Could not add audio sink to pipeline"); goto error_add_output; } if (gst_element_set_state (priv->liveadder, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start liveadder"); goto error; } if (gst_element_set_state (priv->audio_output, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start audio sink"); goto error; } if (GST_PAD_LINK_FAILED ( gst_element_link (priv->liveadder, priv->audio_output))) { g_warning ("Could not link liveadder to audio output"); goto error; } } filter = gst_parse_bin_from_description ( "audioconvert ! audioresample ! audioconvert", TRUE, &gerror); if (filter == NULL) { g_warning ("Could not make audio conversion filter: %s", gerror->message); g_clear_error (&gerror); goto error; } if (!gst_bin_add (GST_BIN (priv->pipeline), filter)) { g_warning ("Could not add audio conversion filter to pipeline"); gst_object_unref (filter); goto error; } if (gst_element_set_state (filter, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start audio conversion filter"); goto error_filter; } if (!gst_element_link (filter, priv->liveadder)) { g_warning ("Could not link audio conversion filter to liveadder"); goto error_filter; } pad = gst_element_get_static_pad (filter, "sink"); if (pad == NULL) { g_warning ("Could not get sink pad from filter"); goto error_filter; } return pad; error_filter: gst_element_set_locked_state (filter, TRUE); gst_element_set_state (filter, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), filter); error: gst_element_set_locked_state (priv->liveadder, TRUE); gst_element_set_locked_state (priv->audio_output, TRUE); gst_element_set_state (priv->liveadder, GST_STATE_NULL); gst_element_set_state (priv->audio_output, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_output); error_add_output: gst_bin_remove (GST_BIN (priv->pipeline), priv->liveadder); gst_element_set_locked_state (priv->liveadder, FALSE); gst_element_set_locked_state (priv->audio_output, FALSE); error_add_liveadder: if (priv->liveadder != NULL) { gst_object_unref (priv->liveadder); priv->liveadder = NULL; } return NULL; } static gboolean empathy_call_window_update_timer (gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); gchar *str; gdouble time_; time_ = g_timer_elapsed (priv->timer, NULL); /* Translators: number of minutes:seconds the caller has been connected */ str = g_strdup_printf (_("Connected — %d:%02dm"), (int) time_ / 60, (int) time_ % 60); empathy_call_window_status_message (self, str); g_free (str); return TRUE; } static void display_error (EmpathyCallWindow *self, EmpathyTpCall *call, const gchar *img, const gchar *title, const gchar *desc, const gchar *details) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GtkWidget *info_bar; GtkWidget *content_area; GtkWidget *hbox; GtkWidget *vbox; GtkWidget *image; GtkWidget *label; gchar *txt; /* Create info bar */ info_bar = gtk_info_bar_new_with_buttons (GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE, NULL); gtk_info_bar_set_message_type (GTK_INFO_BAR (info_bar), GTK_MESSAGE_WARNING); content_area = gtk_info_bar_get_content_area (GTK_INFO_BAR (info_bar)); /* hbox containing the image and the messages vbox */ hbox = gtk_hbox_new (FALSE, 3); gtk_container_add (GTK_CONTAINER (content_area), hbox); /* Add image */ image = gtk_image_new_from_icon_name (img, GTK_ICON_SIZE_DIALOG); gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0); /* vbox containing the main message and the details expander */ vbox = gtk_vbox_new (FALSE, 3); gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0); /* Add text */ txt = g_strdup_printf ("%s\n%s", title, desc); label = gtk_label_new (NULL); gtk_label_set_markup (GTK_LABEL (label), txt); gtk_label_set_line_wrap (GTK_LABEL (label), TRUE); gtk_misc_set_alignment (GTK_MISC (label), 0, 0); g_free (txt); gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0); /* Add details */ if (details != NULL) { GtkWidget *expander; expander = gtk_expander_new (_("Technical Details")); txt = g_strdup_printf ("%s", details); label = gtk_label_new (NULL); gtk_label_set_markup (GTK_LABEL (label), txt); gtk_label_set_line_wrap (GTK_LABEL (label), TRUE); gtk_misc_set_alignment (GTK_MISC (label), 0, 0); g_free (txt); gtk_container_add (GTK_CONTAINER (expander), label); gtk_box_pack_start (GTK_BOX (vbox), expander, TRUE, TRUE, 0); } g_signal_connect (info_bar, "response", G_CALLBACK (gtk_widget_destroy), NULL); gtk_box_pack_start (GTK_BOX (priv->errors_vbox), info_bar, FALSE, FALSE, CONTENT_HBOX_CHILDREN_PACKING_PADDING); gtk_widget_show_all (info_bar); } static gchar * media_stream_error_to_txt (EmpathyCallWindow *self, EmpathyTpCall *call, gboolean audio, TpMediaStreamError error) { EmpathyCallWindowPriv *priv = GET_PRIV (self); const gchar *cm; gchar *url; gchar *result; switch (error) { case TP_MEDIA_STREAM_ERROR_CODEC_NEGOTIATION_FAILED: if (audio) return g_strdup_printf ( _("%s's software does not understand any of the audio formats " "supported by your computer"), empathy_contact_get_alias (priv->contact)); else return g_strdup_printf ( _("%s's software does not understand any of the video formats " "supported by your computer"), empathy_contact_get_alias (priv->contact)); case TP_MEDIA_STREAM_ERROR_CONNECTION_FAILED: return g_strdup_printf ( _("Can't establish a connection to %s. " "One of you might be on a network that does not allow " "direct connections."), empathy_contact_get_alias (priv->contact)); case TP_MEDIA_STREAM_ERROR_NETWORK_ERROR: return g_strdup (_("There was a failure on the network")); case TP_MEDIA_STREAM_ERROR_NO_CODECS: if (audio) return g_strdup (_("The audio formats necessary for this call " "are not installed on your computer")); else return g_strdup (_("The video formats necessary for this call " "are not installed on your computer")); case TP_MEDIA_STREAM_ERROR_INVALID_CM_BEHAVIOR: cm = empathy_tp_call_get_connection_manager (call); url = g_strdup_printf ("http://bugs.freedesktop.org/enter_bug.cgi?" "product=Telepathy&component=%s", cm); result = g_strdup_printf ( _("Something unexpected happened in a Telepathy component. " "Please report this bug and attach " "logs gathered from the 'Debug' window in the Help menu."), url); g_free (url); return result; case TP_MEDIA_STREAM_ERROR_MEDIA_ERROR: return g_strdup (_("There was a failure in the call engine")); case TP_MEDIA_STREAM_ERROR_EOS: return g_strdup (_("The end of the stream was reached")); case TP_MEDIA_STREAM_ERROR_UNKNOWN: default: return NULL; } } static void empathy_call_window_stream_error (EmpathyCallWindow *self, EmpathyTpCall *call, gboolean audio, guint code, const gchar *msg, const gchar *icon, const gchar *title) { gchar *desc; desc = media_stream_error_to_txt (self, call, audio, code); if (desc == NULL) { /* No description, use the error message. That's not great as it's not * localized but it's better than nothing. */ display_error (self, call, icon, title, msg, NULL); } else { display_error (self, call, icon, title, desc, msg); g_free (desc); } } static void empathy_call_window_audio_stream_error (EmpathyTpCall *call, guint code, const gchar *msg, EmpathyCallWindow *self) { empathy_call_window_stream_error (self, call, TRUE, code, msg, "gnome-stock-mic", _("Can't establish audio stream")); } static void empathy_call_window_video_stream_error (EmpathyTpCall *call, guint code, const gchar *msg, EmpathyCallWindow *self) { empathy_call_window_stream_error (self, call, FALSE, code, msg, "camera-web", _("Can't establish video stream")); } static gboolean empathy_call_window_connected (gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); EmpathyTpCall *call; gboolean can_send_video; empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING); can_send_video = priv->video_input != NULL && priv->contact != NULL && empathy_contact_can_voip_video (priv->contact); g_object_get (priv->handler, "tp-call", &call, NULL); tp_g_signal_connect_object (call, "notify::video-stream", G_CALLBACK (empathy_call_window_video_stream_changed_cb), self, 0); if (empathy_tp_call_has_dtmf (call)) gtk_widget_set_sensitive (priv->dtmf_panel, TRUE); if (priv->video_input == NULL) empathy_call_window_set_send_video (self, CAMERA_STATE_OFF); priv->sending_video = can_send_video ? empathy_tp_call_is_sending_video (call) : FALSE; gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_on), priv->sending_video && priv->video_input != NULL); gtk_widget_set_sensitive (priv->tool_button_camera_on, can_send_video); gtk_action_set_sensitive (priv->redial, FALSE); gtk_widget_set_sensitive (priv->redial_button, FALSE); gtk_widget_set_sensitive (priv->mic_button, TRUE); empathy_call_window_update_avatars_visibility (call, self); g_object_unref (call); g_mutex_lock (priv->lock); priv->timer_id = g_timeout_add_seconds (1, empathy_call_window_update_timer, self); g_mutex_unlock (priv->lock); empathy_call_window_update_timer (self); gtk_action_set_sensitive (priv->menu_fullscreen, TRUE); return FALSE; } /* Called from the streaming thread */ static gboolean empathy_call_window_src_added_cb (EmpathyCallHandler *handler, GstPad *src, guint media_type, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); gboolean retval = FALSE; GstPad *pad; g_mutex_lock (priv->lock); if (priv->call_state != CONNECTED) { g_timer_start (priv->timer); priv->timer_id = g_idle_add (empathy_call_window_connected, self); priv->call_state = CONNECTED; } switch (media_type) { case TP_MEDIA_STREAM_TYPE_AUDIO: pad = empathy_call_window_get_audio_sink_pad (self); break; case TP_MEDIA_STREAM_TYPE_VIDEO: gtk_widget_hide (priv->remote_user_avatar_widget); gtk_widget_show (priv->video_output); pad = empathy_call_window_get_video_sink_pad (self); break; default: g_assert_not_reached (); } if (pad == NULL) goto out; if (GST_PAD_LINK_FAILED (gst_pad_link (src, pad))) g_warning ("Could not link %s sink pad", media_type == TP_MEDIA_STREAM_TYPE_AUDIO ? "audio" : "video"); else retval = TRUE; gst_object_unref (pad); out: /* If no sink could be linked, try to add fakesink to prevent the whole call * aborting */ if (!retval) { GstElement *fakesink = gst_element_factory_make ("fakesink", NULL); if (gst_bin_add (GST_BIN (priv->pipeline), fakesink)) { GstPad *sinkpad = gst_element_get_static_pad (fakesink, "sink"); if (gst_element_set_state (fakesink, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE || GST_PAD_LINK_FAILED (gst_pad_link (src, sinkpad))) { gst_element_set_locked_state (fakesink, TRUE); gst_element_set_state (fakesink, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), fakesink); } else { g_debug ("Could not link real sink, linked fakesink instead"); } gst_object_unref (sinkpad); } else { gst_object_unref (fakesink); } } g_mutex_unlock (priv->lock); return TRUE; } static gboolean empathy_call_window_sink_added_cb (EmpathyCallHandler *handler, GstPad *sink, guint media_type, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); GstPad *pad; gboolean retval = FALSE; switch (media_type) { case TP_MEDIA_STREAM_TYPE_AUDIO: if (!gst_bin_add (GST_BIN (priv->pipeline), priv->audio_input)) { g_warning ("Could not add audio source to pipeline"); break; } pad = gst_element_get_static_pad (priv->audio_input, "src"); if (!pad) { gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input); g_warning ("Could not get source pad from audio source"); break; } if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink))) { gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input); g_warning ("Could not link audio source to farsight"); break; } if (gst_element_set_state (priv->audio_input, GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) { g_warning ("Could not start audio source"); gst_element_set_state (priv->audio_input, GST_STATE_NULL); gst_bin_remove (GST_BIN (priv->pipeline), priv->audio_input); break; } retval = TRUE; break; case TP_MEDIA_STREAM_TYPE_VIDEO: if (priv->video_input != NULL) { if (priv->video_tee != NULL) { pad = gst_element_get_request_pad (priv->video_tee, "src%d"); if (GST_PAD_LINK_FAILED (gst_pad_link (pad, sink))) { g_warning ("Could not link videp soure input pipeline"); break; } gst_object_unref (pad); } retval = TRUE; } break; default: g_assert_not_reached (); } return retval; } static void empathy_call_window_remove_video_input (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); GstElement *preview; disable_camera (self); DEBUG ("remove video input"); preview = empathy_video_widget_get_element ( EMPATHY_VIDEO_WIDGET (priv->video_preview)); gst_element_set_state (priv->video_input, GST_STATE_NULL); gst_element_set_state (priv->video_tee, GST_STATE_NULL); gst_element_set_state (preview, GST_STATE_NULL); gst_bin_remove_many (GST_BIN (priv->pipeline), priv->video_input, priv->video_tee, preview, NULL); g_object_unref (priv->video_input); priv->video_input = NULL; g_object_unref (priv->video_tee); priv->video_tee = NULL; gtk_widget_destroy (priv->video_preview); priv->video_preview = NULL; gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE); gtk_widget_set_sensitive (priv->tool_button_camera_preview, FALSE); } static void start_call (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); priv->call_started = TRUE; empathy_call_handler_start_call (priv->handler, gtk_get_current_event_time ()); if (empathy_call_handler_has_initial_video (priv->handler)) { /* Enable 'send video' buttons and display the preview */ gtk_toggle_tool_button_set_active ( GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_on), TRUE); } } static gboolean empathy_call_window_bus_message (GstBus *bus, GstMessage *message, gpointer user_data) { EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (user_data); EmpathyCallWindowPriv *priv = GET_PRIV (self); GstState newstate; empathy_call_handler_bus_message (priv->handler, bus, message); switch (GST_MESSAGE_TYPE (message)) { case GST_MESSAGE_STATE_CHANGED: if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->video_input)) { gst_message_parse_state_changed (message, NULL, &newstate, NULL); if (newstate == GST_STATE_PAUSED) empathy_call_window_setup_video_input (self); } if (GST_MESSAGE_SRC (message) == GST_OBJECT (priv->pipeline) && !priv->call_started) { gst_message_parse_state_changed (message, NULL, &newstate, NULL); if (newstate == GST_STATE_PAUSED) { gst_element_set_state (priv->pipeline, GST_STATE_PLAYING); priv->pipeline_playing = TRUE; if (priv->start_call_when_playing) start_call (self); } } break; case GST_MESSAGE_ERROR: { GError *error = NULL; GstElement *gst_error; gchar *debug; gst_message_parse_error (message, &error, &debug); gst_error = GST_ELEMENT (GST_MESSAGE_SRC (message)); g_message ("Element error: %s -- %s\n", error->message, debug); if (g_str_has_prefix (gst_element_get_name (gst_error), VIDEO_INPUT_ERROR_PREFIX)) { /* Remove the video input and continue */ if (priv->video_input != NULL) empathy_call_window_remove_video_input (self); gst_element_set_state (priv->pipeline, GST_STATE_PLAYING); } else { empathy_call_window_disconnected (self, TRUE); } g_error_free (error); g_free (debug); } case GST_MESSAGE_UNKNOWN: case GST_MESSAGE_EOS: case GST_MESSAGE_WARNING: case GST_MESSAGE_INFO: case GST_MESSAGE_TAG: case GST_MESSAGE_BUFFERING: case GST_MESSAGE_STATE_DIRTY: case GST_MESSAGE_STEP_DONE: case GST_MESSAGE_CLOCK_PROVIDE: case GST_MESSAGE_CLOCK_LOST: case GST_MESSAGE_NEW_CLOCK: case GST_MESSAGE_STRUCTURE_CHANGE: case GST_MESSAGE_STREAM_STATUS: case GST_MESSAGE_APPLICATION: case GST_MESSAGE_ELEMENT: case GST_MESSAGE_SEGMENT_START: case GST_MESSAGE_SEGMENT_DONE: case GST_MESSAGE_DURATION: case GST_MESSAGE_ANY: default: break; } return TRUE; } static void empathy_call_window_update_avatars_visibility (EmpathyTpCall *call, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (empathy_tp_call_is_receiving_video (call)) { gtk_widget_hide (priv->remote_user_avatar_widget); gtk_widget_show (priv->video_output); } else { gtk_widget_hide (priv->video_output); gtk_widget_show (priv->remote_user_avatar_widget); } } static void call_handler_notify_tp_call_cb (EmpathyCallHandler *handler, GParamSpec *spec, EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); EmpathyTpCall *call; g_object_get (priv->handler, "tp-call", &call, NULL); if (call == NULL) return; tp_g_signal_connect_object (call, "audio-stream-error", G_CALLBACK (empathy_call_window_audio_stream_error), self, 0); tp_g_signal_connect_object (call, "video-stream-error", G_CALLBACK (empathy_call_window_video_stream_error), self, 0); g_object_unref (call); } static void empathy_call_window_realized_cb (GtkWidget *widget, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); EmpathyTpCall *call; g_signal_connect (priv->handler, "conference-added", G_CALLBACK (empathy_call_window_conference_added_cb), window); g_signal_connect (priv->handler, "request-resource", G_CALLBACK (empathy_call_window_request_resource_cb), window); g_signal_connect (priv->handler, "closed", G_CALLBACK (empathy_call_window_channel_closed_cb), window); g_signal_connect (priv->handler, "src-pad-added", G_CALLBACK (empathy_call_window_src_added_cb), window); g_signal_connect (priv->handler, "sink-pad-added", G_CALLBACK (empathy_call_window_sink_added_cb), window); g_signal_connect (priv->handler, "stream-closed", G_CALLBACK (empathy_call_window_channel_stream_closed_cb), window); g_object_get (priv->handler, "tp-call", &call, NULL); if (call != NULL) { tp_g_signal_connect_object (call, "audio-stream-error", G_CALLBACK (empathy_call_window_audio_stream_error), window, 0); tp_g_signal_connect_object (call, "video-stream-error", G_CALLBACK (empathy_call_window_video_stream_error), window, 0); g_object_unref (call); } else { /* tp-call doesn't exist yet, we'll connect signals once it has been * set */ g_signal_connect (priv->handler, "notify::tp-call", G_CALLBACK (call_handler_notify_tp_call_cb), window); } gst_element_set_state (priv->pipeline, GST_STATE_PAUSED); } static gboolean empathy_call_window_delete_cb (GtkWidget *widget, GdkEvent*event, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->pipeline != NULL) { if (priv->bus_message_source_id != 0) { g_source_remove (priv->bus_message_source_id); priv->bus_message_source_id = 0; } gst_element_set_state (priv->pipeline, GST_STATE_NULL); } if (priv->call_state == CONNECTING) empathy_sound_manager_stop (priv->sound_mgr, EMPATHY_SOUND_PHONE_OUTGOING); return FALSE; } static void show_controls (EmpathyCallWindow *window, gboolean set_fullscreen) { GtkWidget *menu; EmpathyCallWindowPriv *priv = GET_PRIV (window); menu = gtk_ui_manager_get_widget (priv->ui_manager, "/menubar1"); if (set_fullscreen) { gtk_widget_hide (priv->sidebar); gtk_widget_hide (menu); gtk_widget_hide (priv->vbox); gtk_widget_hide (priv->statusbar); gtk_widget_hide (priv->toolbar); } else { if (priv->sidebar_was_visible_before_fs) gtk_widget_show (priv->sidebar); gtk_widget_show (menu); gtk_widget_show (priv->vbox); gtk_widget_show (priv->statusbar); gtk_widget_show (priv->toolbar); gtk_window_resize (GTK_WINDOW (window), priv->original_width_before_fs, priv->original_height_before_fs); } } static void show_borders (EmpathyCallWindow *window, gboolean set_fullscreen) { EmpathyCallWindowPriv *priv = GET_PRIV (window); gtk_container_set_border_width (GTK_CONTAINER (priv->content_hbox), set_fullscreen ? 0 : CONTENT_HBOX_BORDER_WIDTH); gtk_box_set_spacing (GTK_BOX (priv->content_hbox), set_fullscreen ? 0 : CONTENT_HBOX_SPACING); if (priv->video_output != NULL) { gtk_box_set_child_packing (GTK_BOX (priv->content_hbox), priv->video_output, TRUE, TRUE, set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING, GTK_PACK_START); } gtk_box_set_child_packing (GTK_BOX (priv->content_hbox), priv->vbox, TRUE, TRUE, set_fullscreen ? 0 : CONTENT_HBOX_CHILDREN_PACKING_PADDING, GTK_PACK_START); } static gboolean empathy_call_window_state_event_cb (GtkWidget *widget, GdkEventWindowState *event, EmpathyCallWindow *window) { if (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) { EmpathyCallWindowPriv *priv = GET_PRIV (window); gboolean set_fullscreen = event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN; if (set_fullscreen) { gboolean sidebar_was_visible; GtkAllocation allocation; gint original_width, original_height; gtk_widget_get_allocation (GTK_WIDGET (window), &allocation); original_width = allocation.width; original_height = allocation.height; g_object_get (priv->sidebar, "visible", &sidebar_was_visible, NULL); priv->sidebar_was_visible_before_fs = sidebar_was_visible; priv->original_width_before_fs = original_width; priv->original_height_before_fs = original_height; if (priv->video_output_motion_handler_id == 0 && priv->video_output != NULL) { priv->video_output_motion_handler_id = g_signal_connect ( G_OBJECT (priv->video_output), "motion-notify-event", G_CALLBACK (empathy_call_window_video_output_motion_notify), window); } } else { disconnect_video_output_motion_handler (window); } empathy_call_window_fullscreen_set_fullscreen (priv->fullscreen, set_fullscreen); show_controls (window, set_fullscreen); show_borders (window, set_fullscreen); gtk_action_set_stock_id (priv->menu_fullscreen, (set_fullscreen ? "gtk-leave-fullscreen" : "gtk-fullscreen")); priv->is_fullscreen = set_fullscreen; } return FALSE; } static void empathy_call_window_sidebar_toggled_cb (GtkToggleButton *toggle, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); GtkWidget *arrow; int w, h, handle_size; GtkAllocation allocation, sidebar_allocation; gtk_widget_get_allocation (GTK_WIDGET (window), &allocation); w = allocation.width; h = allocation.height; gtk_widget_style_get (priv->pane, "handle_size", &handle_size, NULL); gtk_widget_get_allocation (priv->sidebar, &sidebar_allocation); if (gtk_toggle_button_get_active (toggle)) { arrow = gtk_arrow_new (GTK_ARROW_LEFT, GTK_SHADOW_NONE); gtk_widget_show (priv->sidebar); w += sidebar_allocation.width + handle_size; } else { arrow = gtk_arrow_new (GTK_ARROW_RIGHT, GTK_SHADOW_NONE); w -= sidebar_allocation.width + handle_size; gtk_widget_hide (priv->sidebar); } gtk_button_set_image (GTK_BUTTON (priv->sidebar_button), arrow); if (w > 0 && h > 0) gtk_window_resize (GTK_WINDOW (window), w, h); } static void empathy_call_window_set_send_video (EmpathyCallWindow *window, CameraState state) { EmpathyCallWindowPriv *priv = GET_PRIV (window); EmpathyTpCall *call; priv->sending_video = (state == CAMERA_STATE_ON); if (state == CAMERA_STATE_PREVIEW || state == CAMERA_STATE_ON) { /* When we start sending video, we want to show the video preview by default. */ display_video_preview (window, TRUE); } else { display_video_preview (window, FALSE); } if (priv->call_state != CONNECTED) return; g_object_get (priv->handler, "tp-call", &call, NULL); DEBUG ("%s sending video", priv->sending_video ? "start": "stop"); empathy_tp_call_request_video_stream_direction (call, priv->sending_video); g_object_unref (call); } static void empathy_call_window_mic_toggled_cb (GtkToggleToolButton *toggle, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); gboolean active; active = (gtk_toggle_tool_button_get_active (toggle)); if (active) { empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input), priv->volume); gtk_adjustment_set_value (priv->audio_input_adj, priv->volume * 100); } else { /* TODO, Instead of setting the input volume to 0 we should probably * stop sending but this would cause the audio call to drop if both * sides mute at the same time on certain CMs AFAIK. Need to revisit this * in the future. GNOME #574574 */ empathy_audio_src_set_volume (EMPATHY_GST_AUDIO_SRC (priv->audio_input), 0); gtk_adjustment_set_value (priv->audio_input_adj, 0); } } static void empathy_call_window_sidebar_hidden_cb (EvSidebar *sidebar, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->sidebar_button), FALSE); } static void empathy_call_window_sidebar_shown_cb (EvSidebar *sidebar, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->sidebar_button), TRUE); } static void empathy_call_window_hangup_cb (gpointer object, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); empathy_call_handler_stop_call (priv->handler); if (empathy_call_window_disconnected (window, FALSE)) gtk_widget_destroy (GTK_WIDGET (window)); } static void empathy_call_window_restart_call (EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); /* Remove error info bars */ gtk_container_forall (GTK_CONTAINER (priv->errors_vbox), (GtkCallback) gtk_widget_destroy, NULL); create_video_output_widget (window); g_signal_connect (G_OBJECT (priv->audio_input_adj), "value-changed", G_CALLBACK (empathy_call_window_mic_volume_changed_cb), window); /* While the call was disconnected, the input volume might have changed. * However, since the audio_input source was destroyed, its volume has not * been updated during that time. That's why we manually update it here */ empathy_call_window_mic_volume_changed_cb (priv->audio_input_adj, window); priv->outgoing = TRUE; empathy_call_window_set_state_connecting (window); if (priv->pipeline_playing) start_call (window); else /* call will be started when the pipeline is ready */ priv->start_call_when_playing = TRUE; empathy_call_window_setup_avatars (window, priv->handler); gtk_action_set_sensitive (priv->redial, FALSE); gtk_widget_set_sensitive (priv->redial_button, FALSE); } static void empathy_call_window_redial_cb (gpointer object, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->call_state == CONNECTED) priv->call_state = REDIALING; empathy_call_handler_stop_call (priv->handler); if (priv->call_state != CONNECTED) empathy_call_window_restart_call (window); } static void empathy_call_window_fullscreen_cb (gpointer object, EmpathyCallWindow *window) { empathy_call_window_fullscreen_toggle (window); } static void empathy_call_window_fullscreen_toggle (EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->is_fullscreen) gtk_window_unfullscreen (GTK_WINDOW (window)); else gtk_window_fullscreen (GTK_WINDOW (window)); } static gboolean empathy_call_window_video_button_press_cb (GtkWidget *video_output, GdkEventButton *event, EmpathyCallWindow *window) { if (event->button == 3 && event->type == GDK_BUTTON_PRESS) { empathy_call_window_video_menu_popup (window, event->button); return TRUE; } return FALSE; } static gboolean empathy_call_window_key_press_cb (GtkWidget *video_output, GdkEventKey *event, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->is_fullscreen && event->keyval == GDK_KEY_Escape) { /* Since we are in fullscreen mode, toggling will bring us back to normal mode. */ empathy_call_window_fullscreen_toggle (window); return TRUE; } return FALSE; } static gboolean empathy_call_window_video_output_motion_notify (GtkWidget *widget, GdkEventMotion *event, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->is_fullscreen) { empathy_call_window_fullscreen_show_popup (priv->fullscreen); return TRUE; } return FALSE; } static void empathy_call_window_video_menu_popup (EmpathyCallWindow *window, guint button) { GtkWidget *menu; EmpathyCallWindowPriv *priv = GET_PRIV (window); menu = gtk_ui_manager_get_widget (priv->ui_manager, "/video-popup"); gtk_menu_popup (GTK_MENU (menu), NULL, NULL, NULL, NULL, button, gtk_get_current_event_time ()); gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE); } static void empathy_call_window_status_message (EmpathyCallWindow *window, gchar *message) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->context_id == 0) { priv->context_id = gtk_statusbar_get_context_id ( GTK_STATUSBAR (priv->statusbar), "voip call status messages"); } else { gtk_statusbar_pop (GTK_STATUSBAR (priv->statusbar), priv->context_id); } gtk_statusbar_push (GTK_STATUSBAR (priv->statusbar), priv->context_id, message); } static void empathy_call_window_volume_changed_cb (GtkScaleButton *button, gdouble value, EmpathyCallWindow *window) { EmpathyCallWindowPriv *priv = GET_PRIV (window); if (priv->audio_output == NULL) return; empathy_audio_sink_set_volume (EMPATHY_GST_AUDIO_SINK (priv->audio_output), value); } /* block all the signals related to camera control widgets. This is useful * when we are manually updating the UI and so don't want to fire the * callbacks */ static void block_camera_control_signals (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_signal_handlers_block_by_func (priv->tool_button_camera_off, tool_button_camera_off_toggled_cb, self); g_signal_handlers_block_by_func (priv->tool_button_camera_preview, tool_button_camera_preview_toggled_cb, self); g_signal_handlers_block_by_func (priv->tool_button_camera_on, tool_button_camera_on_toggled_cb, self); g_signal_handlers_block_by_func (priv->action_camera, action_camera_change_cb, self); } static void unblock_camera_control_signals (EmpathyCallWindow *self) { EmpathyCallWindowPriv *priv = GET_PRIV (self); g_signal_handlers_unblock_by_func (priv->tool_button_camera_off, tool_button_camera_off_toggled_cb, self); g_signal_handlers_unblock_by_func (priv->tool_button_camera_preview, tool_button_camera_preview_toggled_cb, self); g_signal_handlers_unblock_by_func (priv->tool_button_camera_on, tool_button_camera_on_toggled_cb, self); g_signal_handlers_unblock_by_func (priv->action_camera, action_camera_change_cb, self); }