/*
* empathy-call-window.c - Source for EmpathyCallWindow
* Copyright (C) 2008-2009 Collabora Ltd.
* @author Sjoerd Simons <sjoerd.simons@collabora.co.uk>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <gdk/gdkkeysyms.h>
#include <gst/gst.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>
#include <telepathy-farsight/channel.h>
#include <gst/farsight/fs-element-added-notifier.h>
#include <libempathy/empathy-tp-contact-factory.h>
#include <libempathy/empathy-call-factory.h>
#include <libempathy/empathy-utils.h>
#include <libempathy-gtk/empathy-avatar-image.h>
#include <libempathy-gtk/empathy-video-widget.h>
#include <libempathy-gtk/empathy-audio-src.h>
#include <libempathy-gtk/empathy-audio-sink.h>
#include <libempathy-gtk/empathy-video-src.h>
#include <libempathy-gtk/empathy-ui-utils.h>
#include <libempathy-gtk/empathy-sound.h>
#include <libempathy-gtk/empathy-geometry.h>
#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
#include <libempathy/empathy-debug.h>
#include "empathy-call-window.h"
#include "empathy-call-window-fullscreen.h"
#include "empathy-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;
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;
};
#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,
gboolean send);
static void empathy_call_window_mic_toggled_cb (
GtkToggleToolButton *toggle, EmpathyCallWindow *window);
static void empathy_call_window_sidebar_hidden_cb (EmpathySidebar *sidebar,
EmpathyCallWindow *window);
static void empathy_call_window_sidebar_shown_cb (EmpathySidebar *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 {
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;
if (priv->audio_input == NULL)
return;
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_progress_bar_set_orientation (
GTK_PROGRESS_BAR (priv->volume_progress_bar),
GTK_PROGRESS_BOTTOM_TO_TOP);
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
initialize_output_elements (GstBus *bus, EmpathyCallWindow *self)
{
EmpathyCallWindowPriv *priv = GET_PRIV (self);
g_assert (priv->video_output == NULL);
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);
priv->audio_output = empathy_audio_sink_new ();
gst_object_ref (priv->audio_output);
gst_object_sink (priv->audio_output);
}
static void
initialize_input_elements (GstBus *bus, EmpathyCallWindow *self)
{
EmpathyCallWindowPriv *priv = GET_PRIV (self);
priv->video_input = empathy_video_src_new ();
gst_object_ref (priv->video_input);
gst_object_sink (priv->video_input);
priv->audio_input = empathy_audio_src_new ();
gst_object_ref (priv->audio_input);
gst_object_sink (priv->audio_input);
/* The preview widget is initialized when the "video preview" button
* is activated */
empathy_signal_connect_weak (priv->audio_input, "peak-level-changed",
G_CALLBACK (empathy_call_window_audio_input_level_changed_cb),
G_OBJECT (self));
}
static void
empathy_call_window_setup_video_preview (EmpathyCallWindow *window)
{
EmpathyCallWindowPriv *priv = GET_PRIV (window);
GstElement *preview;
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (priv->pipeline));
if (priv->video_preview != NULL)
{
/* Since the video preview and the video tee are initialized and freed
at the same time, if one is initialized, then the other one should
be too. */
g_assert (priv->video_tee != NULL);
return;
}
DEBUG ("Create video preview");
g_assert (priv->video_tee == NULL);
priv->video_tee = gst_element_factory_make ("tee", NULL);
gst_object_ref (priv->video_tee);
gst_object_sink (priv->video_tee);
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);
preview = empathy_video_widget_get_element (
EMPATHY_VIDEO_WIDGET (priv->video_preview));
gst_bin_add_many (GST_BIN (priv->pipeline), priv->video_input,
priv->video_tee, preview, NULL);
gst_element_link_many (priv->video_input, priv->video_tee,
preview, NULL);
g_object_unref (bus);
gst_element_set_state (preview, GST_STATE_PLAYING);
gst_element_set_state (priv->video_input, GST_STATE_PLAYING);
gst_element_set_state (priv->video_tee, GST_STATE_PLAYING);
}
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");
if (priv->video_preview == NULL)
empathy_call_window_setup_video_preview (self);
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);
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_start_playing (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, FALSE);
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, FALSE);
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;
DEBUG ("Enable camera");
empathy_call_window_set_send_video (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_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);
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);
initialize_output_elements (bus, self);
initialize_input_elements (bus, 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,
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);
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);
priv->fsnotifier = fs_element_added_notifier_new ();
fs_element_added_notifier_add (priv->fsnotifier, GST_BIN (priv->pipeline));
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 = empathy_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);
empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Audio input"),
page);
page = empathy_call_window_create_video_input (self);
empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Video input"),
page);
priv->dtmf_panel = empathy_call_window_create_dtmf (self);
empathy_sidebar_add_page (EMPATHY_SIDEBAR (priv->sidebar), _("Dialpad"),
priv->dtmf_panel);
gtk_widget_set_sensitive (priv->dtmf_panel, FALSE);
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);
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 ("stock_person",
size);
}
gtk_image_set_from_pixbuf (GTK_IMAGE (image_widget), 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_name (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;
size = avatar_widget->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 (EmpathyTpContactFactory *factory,
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;
EmpathyTpContactFactory *factory;
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);
factory = empathy_tp_contact_factory_dup_singleton (connection);
empathy_tp_contact_factory_get_from_handle (factory,
tp_connection_get_self_handle (connection),
empathy_call_window_got_self_contact_cb, self, NULL, G_OBJECT (self));
g_object_unref (factory);
}
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
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()). */
}
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_signal_handlers_disconnect_by_func (call,
empathy_call_window_video_stream_changed_cb, object);
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->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->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->contact != NULL)
{
g_signal_handlers_disconnect_by_func (priv->contact,
contact_name_changed_cb, self);
g_object_unref (priv->contact);
priv->contact = NULL;
}
/* 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);
}
void
empathy_call_window_finalize (GObject *object)
{
EmpathyCallWindow *self = EMPATHY_CALL_WINDOW (object);
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;
}
if (priv->bus_message_source_id != 0)
{
g_source_remove (priv->bus_message_source_id);
priv->bus_message_source_id = 0;
}
/* 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;
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;
g_signal_handlers_disconnect_by_func (priv->audio_input_adj,
empathy_call_window_mic_volume_changed_cb, self);
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->video_preview != NULL)
gtk_widget_destroy (priv->video_preview);
priv->video_preview = NULL;
priv->liveadder = NULL;
priv->funnel = NULL;
return TRUE;
}
else
{
g_message ("Error: could not destroy pipeline. Closing call window");
gtk_widget_destroy (GTK_WIDGET (self));
return FALSE;
}
}
static gboolean
empathy_call_window_disconnected (EmpathyCallWindow *self)
{
gboolean could_disconnect = FALSE;
EmpathyCallWindowPriv *priv = GET_PRIV (self);
gboolean could_reset_pipeline;
could_reset_pipeline = empathy_call_window_reset_pipeline (self);
if (priv->call_state == CONNECTING)
empathy_sound_stop (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);
empathy_call_window_status_message (self, _("Disconnected"));
gtk_action_set_sensitive (priv->redial, TRUE);
gtk_widget_set_sensitive (priv->redial_button, TRUE);
/* Reseting the send_video, camera_buton and mic_button to their
initial state */
gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE);
gtk_widget_set_sensitive (priv->mic_button, FALSE);
gtk_toggle_tool_button_set_active (
GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_off), TRUE);
gtk_toggle_tool_button_set_active (
GTK_TOGGLE_TOOL_BUTTON (priv->mic_button), TRUE);
/* FIXME: This is to workaround the fact that the pipeline has been
* destroyed and so we can't display preview until a new call (and so a
* new pipeline) is created. We should fix this properly by refactoring
* the code managing the pipeline. This is bug #602937 */
gtk_widget_set_sensitive (priv->tool_button_camera_preview, FALSE);
gtk_action_set_sensitive (priv->action_camera_preview, FALSE);
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 */
gtk_widget_destroy (priv->video_output);
priv->video_output = NULL;
gtk_widget_show (priv->remote_user_avatar_widget);
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) && 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 ("<b>%s</b>\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 ("<i>%s</i>", 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_name (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_name (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_name (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 <a href=\"%s\">report this bug</a> 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"));
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_stop (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);
g_signal_connect (call, "notify::video-stream",
G_CALLBACK (empathy_call_window_video_stream_changed_cb), self);
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, FALSE);
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);
/* FIXME: this should won't be needed once bug #602937 is fixed
* (see empathy_call_window_disconnected for details) */
gtk_widget_set_sensitive (priv->tool_button_camera_preview, TRUE);
gtk_action_set_sensitive (priv->action_camera_preview, 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);
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;
}
}
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;
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_toggle_tool_button_set_active (
GTK_TOGGLE_TOOL_BUTTON (priv->tool_button_camera_on), FALSE);
gtk_widget_set_sensitive (priv->tool_button_camera_on, FALSE);
gtk_widget_show (priv->self_user_avatar_widget);
}
static void
start_call (EmpathyCallWindow *self)
{
EmpathyCallWindowPriv *priv = GET_PRIV (self);
priv->call_started = TRUE;
empathy_call_handler_start_call (priv->handler);
gst_element_set_state (priv->pipeline, GST_STATE_PLAYING);
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)
{
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);
}
g_error_free (error);
g_free (debug);
}
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;
empathy_signal_connect_weak (call, "audio-stream-error",
G_CALLBACK (empathy_call_window_audio_stream_error), G_OBJECT (self));
empathy_signal_connect_weak (call, "video-stream-error",
G_CALLBACK (empathy_call_window_video_stream_error), G_OBJECT (self));
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)
{
empathy_signal_connect_weak (call, "audio-stream-error",
G_CALLBACK (empathy_call_window_audio_stream_error), G_OBJECT (window));
empathy_signal_connect_weak (call, "video-stream-error",
G_CALLBACK (empathy_call_window_video_stream_error), G_OBJECT (window));
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_stop (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);
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
{
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;
}
}
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,
gboolean send)
{
EmpathyCallWindowPriv *priv = GET_PRIV (window);
EmpathyTpCall *call;
priv->sending_video = send;
/* When we start sending video, we want to show the video preview by
default. */
display_video_preview (window, send);
if (priv->call_state != CONNECTED)
return;
g_object_get (priv->handler, "tp-call", &call, NULL);
DEBUG ("%s sending video", send ? "start": "stop");
empathy_tp_call_request_video_stream_direction (call, send);
g_object_unref (call);
}
static void
empathy_call_window_mic_toggled_cb (GtkToggleToolButton *toggle,
EmpathyCallWindow *window)
{
EmpathyCallWindowPriv *priv = GET_PRIV (window);
gboolean active;
if (priv->audio_input == NULL)
return;
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 (EmpathySidebar *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 (EmpathySidebar *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))
gtk_widget_destroy (GTK_WIDGET (window));
}
static void
empathy_call_window_restart_call (EmpathyCallWindow *window)
{
EmpathyCallWindowPriv *priv = GET_PRIV (window);
create_pipeline (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);
gtk_widget_show_all (priv->content_hbox);
priv->outgoing = TRUE;
empathy_call_window_set_state_connecting (window);
start_call (window);
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_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);
}