/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2007 Elliot Fairweather
* Copyright (C) 2007 Collabora Ltd.
*
* 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
*
* Authors: Elliot Fairweather <elliot.fairweather@collabora.co.uk>
* Xavier Claessens <xclaesse@gmail.com>
*/
#include "config.h"
#include <libtelepathy/tp-chan-type-streamed-media-gen.h>
#include <libtelepathy/tp-helpers.h>
#include <libtelepathy/tp-conn.h>
#include <libmissioncontrol/mission-control.h>
#include "empathy-tp-call.h"
#include "empathy-tp-group.h"
#include "empathy-utils.h"
#include "empathy-debug.h"
#include "empathy-enum-types.h"
#include "tp-stream-engine-gen.h"
#define DEBUG_DOMAIN "TpCall"
#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_TP_CALL, EmpathyTpCallPriv))
#define STREAM_ENGINE_BUS_NAME "org.freedesktop.Telepathy.StreamEngine"
#define STREAM_ENGINE_OBJECT_PATH "/org/freedesktop/Telepathy/StreamEngine"
#define STREAM_ENGINE_INTERFACE "org.freedesktop.Telepathy.StreamEngine"
#define CHANNEL_HANDLER_INTERFACE "org.freedesktop.Telepathy.ChannelHandler"
typedef struct _EmpathyTpCallPriv EmpathyTpCallPriv;
struct _EmpathyTpCallPriv {
TpChan *tp_chan;
DBusGProxy *streamed_iface;
DBusGProxy *se_ch_proxy;
DBusGProxy *se_proxy;
McAccount *account;
EmpathyTpGroup *group;
EmpathyContact *contact;
EmpathyTpCallStatus status;
gboolean is_incoming;
guint audio_stream;
guint video_stream;
};
static void empathy_tp_call_class_init (EmpathyTpCallClass *klass);
static void empathy_tp_call_init (EmpathyTpCall *call);
enum {
PROP_0,
PROP_ACCOUNT,
PROP_TP_CHAN,
PROP_STATUS
};
enum {
DESTROY,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE (EmpathyTpCall, empathy_tp_call, G_TYPE_OBJECT)
static void
tp_call_set_status (EmpathyTpCall *call,
EmpathyTpCallStatus status)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
priv->status = status;
g_object_notify (G_OBJECT (call), "status");
}
static void
tp_call_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EmpathyTpCallPriv *priv = GET_PRIV (object);
switch (prop_id) {
case PROP_ACCOUNT:
priv->account = g_object_ref (g_value_get_object (value));
break;
case PROP_TP_CHAN:
priv->tp_chan = g_object_ref (g_value_get_object (value));
break;
case PROP_STATUS:
tp_call_set_status (EMPATHY_TP_CALL (object),
g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
tp_call_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
EmpathyTpCallPriv *priv = GET_PRIV (object);
switch (prop_id) {
case PROP_ACCOUNT:
g_value_set_object (value, priv->account);
break;
case PROP_TP_CHAN:
g_value_set_object (value, priv->tp_chan);
break;
case PROP_STATUS:
g_value_set_enum (value, priv->status);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
tp_call_destroy_cb (TpChan *call_chan,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_debug (DEBUG_DOMAIN, "Channel Closed or CM crashed");
g_object_unref (priv->tp_chan);
priv->tp_chan = NULL;
priv->streamed_iface = NULL;
g_signal_emit (call, signals[DESTROY], 0);
}
static void
tp_call_closed_cb (TpChan *call_chan,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
/* The channel is closed, do just like if the proxy was destroyed */
g_signal_handlers_disconnect_by_func (priv->tp_chan,
tp_call_destroy_cb,
call);
tp_call_destroy_cb (call_chan, call);
}
static void
tp_call_stream_added_cb (DBusGProxy *streamed_iface,
guint stream_id,
guint contact_handle,
guint stream_type,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_debug (DEBUG_DOMAIN, "Stream added: id=%d, stream_type=%d",
stream_id, stream_type);
switch (stream_type) {
case TP_MEDIA_STREAM_TYPE_AUDIO:
priv->audio_stream = stream_id;
break;
case TP_MEDIA_STREAM_TYPE_VIDEO:
priv->video_stream = stream_id;
break;
default:
empathy_debug (DEBUG_DOMAIN, "Unknown stream type: %d", stream_type);
}
}
static void
tp_call_stream_removed_cb (DBusGProxy *streamed_iface,
guint stream_id,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_debug (DEBUG_DOMAIN, "Stream removed: %d", stream_id);
if (stream_id == priv->audio_stream) {
priv->audio_stream = 0;
}
else if (stream_id == priv->video_stream) {
priv->video_stream = 0;
}
}
static void
tp_call_list_streams_cb (DBusGProxy *proxy,
GPtrArray *streams,
GError *error,
gpointer user_data)
{
guint i;
if (error) {
empathy_debug (DEBUG_DOMAIN, "Failed to list streams: %s",
error->message);
return;
}
for (i = 0; i < streams->len; i++) {
GValueArray *values;
guint stream_id;
guint contact_handle;
guint stream_type;
values = g_ptr_array_index (streams, i);
stream_id = g_value_get_uint (g_value_array_get_nth (values, 0));
contact_handle = g_value_get_uint (g_value_array_get_nth (values, 1));
stream_type = g_value_get_uint (g_value_array_get_nth (values, 2));
tp_call_stream_added_cb (proxy,
stream_id,
contact_handle,
stream_type,
user_data);
}
}
static void
tp_call_member_added_cb (EmpathyTpGroup *group,
EmpathyContact *contact,
EmpathyContact *actor,
guint reason,
const gchar *message,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_debug (DEBUG_DOMAIN, "Members added %s (%d)",
empathy_contact_get_id (contact),
empathy_contact_get_handle (contact));
if (!priv->contact) {
if (!empathy_contact_is_user (contact)) {
priv->is_incoming = TRUE;
priv->contact = g_object_ref (contact);
tp_call_set_status (call, EMPATHY_TP_CALL_STATUS_RINGING);
}
return;
}
/* We already have the other contact, that means we now have 2 members,
* so we can start the call */
tp_call_set_status (call, EMPATHY_TP_CALL_STATUS_RUNNING);
}
static void
tp_call_remote_pending_cb (EmpathyTpGroup *group,
EmpathyContact *contact,
EmpathyContact *actor,
guint reason,
const gchar *message,
EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_debug (DEBUG_DOMAIN, "Remote pending: %s (%d)",
empathy_contact_get_id (contact),
empathy_contact_get_handle (contact));
if (!priv->contact) {
priv->is_incoming = FALSE;
priv->contact = g_object_ref (contact);
tp_call_set_status (call, EMPATHY_TP_CALL_STATUS_RINGING);
}
}
static void
tp_call_async_cb (DBusGProxy *proxy,
GError *error,
gpointer user_data)
{
if (error) {
empathy_debug (DEBUG_DOMAIN, "Failed to %s: %s",
user_data,
error->message);
}
}
static GObject *
tp_call_constructor (GType type,
guint n_props,
GObjectConstructParam *props)
{
GObject *call;
EmpathyTpCallPriv *priv;
TpConn *tp_conn;
MissionControl *mc;
call = G_OBJECT_CLASS (empathy_tp_call_parent_class)->constructor (type, n_props, props);
priv = GET_PRIV (call);
priv->group = empathy_tp_group_new (priv->account, priv->tp_chan);
priv->streamed_iface = tp_chan_get_interface (priv->tp_chan,
TELEPATHY_CHAN_IFACE_STREAMED_QUARK);
/* Connect signals */
dbus_g_proxy_connect_signal (priv->streamed_iface, "StreamAdded",
G_CALLBACK (tp_call_stream_added_cb),
call, NULL);
dbus_g_proxy_connect_signal (priv->streamed_iface, "StreamRemoved",
G_CALLBACK (tp_call_stream_removed_cb),
call, NULL);
dbus_g_proxy_connect_signal (DBUS_G_PROXY (priv->tp_chan), "Closed",
G_CALLBACK (tp_call_closed_cb),
call, NULL);
g_signal_connect (priv->tp_chan, "destroy",
G_CALLBACK (tp_call_destroy_cb),
call);
g_signal_connect (priv->group, "member-added",
G_CALLBACK (tp_call_member_added_cb),
call);
g_signal_connect (priv->group, "remote-pending",
G_CALLBACK (tp_call_remote_pending_cb),
call);
/* Start stream engine */
mc = empathy_mission_control_new ();
tp_conn = mission_control_get_connection (mc, priv->account, NULL);
priv->se_ch_proxy = dbus_g_proxy_new_for_name (tp_get_bus (),
STREAM_ENGINE_BUS_NAME,
STREAM_ENGINE_OBJECT_PATH,
CHANNEL_HANDLER_INTERFACE);
priv->se_proxy = dbus_g_proxy_new_for_name (tp_get_bus (),
STREAM_ENGINE_BUS_NAME,
STREAM_ENGINE_OBJECT_PATH,
STREAM_ENGINE_INTERFACE);
org_freedesktop_Telepathy_ChannelHandler_handle_channel_async (priv->se_ch_proxy,
dbus_g_proxy_get_bus_name (DBUS_G_PROXY (tp_conn)),
dbus_g_proxy_get_path (DBUS_G_PROXY (tp_conn)),
priv->tp_chan->type,
dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan)),
priv->tp_chan->handle_type,
priv->tp_chan->handle,
tp_call_async_cb,
"handle channel");
g_object_unref (tp_conn);
g_object_unref (mc);
/* Get streams */
tp_chan_type_streamed_media_list_streams_async (priv->streamed_iface,
tp_call_list_streams_cb,
call);
return call;
}
static void
tp_call_finalize (GObject *object)
{
EmpathyTpCallPriv *priv = GET_PRIV (object);
empathy_debug (DEBUG_DOMAIN, "Finalizing: %p", object);
if (priv->tp_chan) {
GError *error = NULL;
g_signal_handlers_disconnect_by_func (priv->tp_chan,
tp_call_destroy_cb,
object);
empathy_debug (DEBUG_DOMAIN, "Closing channel...");
if (!tp_chan_close (DBUS_G_PROXY (priv->tp_chan), &error)) {
empathy_debug (DEBUG_DOMAIN,
"Error closing text channel: %s",
error ? error->message : "No error given");
g_clear_error (&error);
}
g_object_unref (priv->tp_chan);
}
g_object_unref (priv->group);
g_object_unref (priv->contact);
g_object_unref (priv->account);
g_object_unref (priv->se_ch_proxy);
g_object_unref (priv->se_proxy);
G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize (object);
}
static void
empathy_tp_call_class_init (EmpathyTpCallClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructor = tp_call_constructor;
object_class->finalize = tp_call_finalize;
object_class->set_property = tp_call_set_property;
object_class->get_property = tp_call_get_property;
/* Construct-only properties */
g_object_class_install_property (object_class,
PROP_ACCOUNT,
g_param_spec_object ("account",
"channel Account",
"The account associated with the channel",
MC_TYPE_ACCOUNT,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class,
PROP_TP_CHAN,
g_param_spec_object ("tp-chan",
"telepathy channel",
"The media channel for the call",
TELEPATHY_CHAN_TYPE,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
/* Normal properties */
g_object_class_install_property (object_class,
PROP_STATUS,
g_param_spec_enum ("status",
"call status",
"The status of the call",
EMPATHY_TYPE_TP_CALL_STATUS,
EMPATHY_TP_CALL_STATUS_PREPARING,
G_PARAM_READABLE));
/* Signals */
signals[DESTROY] =
g_signal_new ("destroy",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
0,
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE,
0);
g_type_class_add_private (klass, sizeof (EmpathyTpCallPriv));
}
static void
empathy_tp_call_init (EmpathyTpCall *call)
{
}
EmpathyTpCall *
empathy_tp_call_new (McAccount *account, TpChan *channel)
{
return g_object_new (EMPATHY_TYPE_TP_CALL,
"account", account,
"tp_chan", channel,
NULL);
}
gboolean
empathy_tp_call_is_incoming (EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
return priv->is_incoming;
}
EmpathyTpCallStatus
empathy_tp_call_get_status (EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
return priv->status;
}
EmpathyContact *
empathy_tp_call_get_contact (EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
return priv->contact;
}
void
empathy_tp_call_accept (EmpathyTpCall *call)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
EmpathyContact *contact;
contact = empathy_tp_group_get_self_contact (priv->group);
empathy_tp_group_add_member (priv->group, contact, "");
}
void
empathy_tp_call_invite (EmpathyTpCall *call,
EmpathyContact *contact)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
empathy_tp_group_add_member (priv->group, contact, "you're welcome");
}
void
empathy_tp_call_request_streams (EmpathyTpCall *call,
gboolean audio,
gboolean video)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
GArray *stream_types;
guint handle;
guint type;
empathy_debug (DEBUG_DOMAIN, "Requesting streams for audio=%s video=%s",
audio ? "Yes" : "No",
video ? "Yes" : "No");
stream_types = g_array_new (FALSE, FALSE, sizeof (guint));
if (audio) {
type = TP_MEDIA_STREAM_TYPE_AUDIO;
g_array_append_val (stream_types, type);
}
if (video) {
type = TP_MEDIA_STREAM_TYPE_VIDEO;
g_array_append_val (stream_types, type);
}
handle = empathy_contact_get_handle (priv->contact);
tp_chan_type_streamed_media_request_streams_async (priv->streamed_iface,
handle,
stream_types,
tp_call_list_streams_cb,
call);
g_array_free (stream_types, TRUE);
}
void
empathy_tp_call_send_video (EmpathyTpCall *call,
gboolean send)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
guint new_direction;
if (!priv->video_stream) {
return;
}
if (send) {
new_direction = TP_MEDIA_STREAM_DIRECTION_BIDIRECTIONAL;
} else {
new_direction = TP_MEDIA_STREAM_DIRECTION_RECEIVE;
}
tp_chan_type_streamed_media_request_stream_direction_async (priv->streamed_iface,
priv->video_stream,
new_direction,
tp_call_async_cb,
"request stream direction");
}
void
empathy_tp_call_add_preview_window (EmpathyTpCall *call,
guint socket_id)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_add_preview_window_async (priv->se_proxy,
socket_id,
tp_call_async_cb,
"add preview window");
}
void
empathy_tp_call_remove_preview_window (EmpathyTpCall *call,
guint socket_id)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_remove_preview_window_async (priv->se_proxy,
socket_id,
tp_call_async_cb,
"remove preview window");
}
void
empathy_tp_call_set_output_window (EmpathyTpCall *call,
guint socket_id)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_set_output_window_async (priv->se_proxy,
dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan)),
priv->video_stream,
socket_id,
tp_call_async_cb,
"set output window");
}
void
empathy_tp_call_set_output_volume (EmpathyTpCall *call,
guint volume)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_set_output_volume_async (priv->se_proxy,
dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan)),
priv->audio_stream,
volume,
tp_call_async_cb,
"set output volume");
}
void
empathy_tp_call_mute_output (EmpathyTpCall *call,
gboolean is_muted)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_mute_output_async (priv->se_proxy,
dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan)),
priv->audio_stream,
is_muted,
tp_call_async_cb,
"mute output");
}
void
empathy_tp_call_mute_input (EmpathyTpCall *call,
gboolean is_muted)
{
EmpathyTpCallPriv *priv = GET_PRIV (call);
org_freedesktop_Telepathy_StreamEngine_mute_input_async (priv->se_proxy,
dbus_g_proxy_get_path (DBUS_G_PROXY (priv->tp_chan)),
priv->audio_stream,
is_muted,
tp_call_async_cb,
"mute output");
}