/*
* © 2009, 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: Arnaud Maillet <arnaud.maillet@collabora.co.uk>
*/
#include <gtk/gtk.h>
#include <dbus/dbus-glib.h>
#include <telepathy-glib/util.h>
#include <telepathy-glib/contact.h>
#define DEBUG_FLAG EMPATHY_DEBUG_SHARE_DESKTOP
#include <libempathy/empathy-debug.h>
#include "empathy-share-my-desktop.h"
#define DBUS_SERVICE "org.gnome.Vino"
#define DBUS_INTERFACE "org.gnome.VinoScreen"
typedef struct {
TpContact *contact;
TpChannel *channel;
gulong signal_invalidated_id;
} EmpathyShareMyDesktopPrivate;
static void
empathy_share_my_desktop_tube_invalidated (TpProxy *channel,
guint domain,
gint code,
gchar *message,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
DEBUG ("Tube is invalidated");
g_signal_handler_disconnect (G_OBJECT (data->channel),
data->signal_invalidated_id);
if (data->channel != NULL)
{
g_object_unref (data->channel);
data->channel = NULL;
}
g_slice_free (EmpathyShareMyDesktopPrivate, data);
}
static void
empathy_share_my_desktop_channel_ready (TpChannel *channel,
const GError *error_failed,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
TpConnection *connection;
gchar * connection_path;
gchar * tube_path;
DBusGConnection *dbus_g_connection;
GHashTable *channel_properties;
DBusGProxy *proxy;
GError *error = NULL;
GdkScreen *screen;
gchar *obj_path;
GtkWidget *window;
if (channel == NULL)
{
DEBUG ("The channel is not ready: %s", error_failed->message);
return;
}
data->channel = channel;
data->signal_invalidated_id = g_signal_connect (G_OBJECT (channel),
"invalidated", G_CALLBACK (empathy_share_my_desktop_tube_invalidated),
data);
dbus_g_connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error);
if (dbus_g_connection == NULL)
{
DEBUG ("Failed to open connection to bus: %s", error->message);
g_clear_error (&error);
return;
}
screen = gdk_screen_get_default ();
obj_path = g_strdup_printf ("/org/gnome/vino/screens/%d",
gdk_screen_get_number (screen));
proxy = dbus_g_proxy_new_for_name (dbus_g_connection, DBUS_SERVICE,
obj_path, DBUS_INTERFACE);
connection = tp_channel_borrow_connection (channel);
g_object_get (connection, "object-path", &connection_path, NULL);
DEBUG ("connection path : %s", connection_path);
g_object_get (channel, "object-path", &tube_path, "channel-properties",
&channel_properties, NULL);
DEBUG ("tube path : %s", tube_path);
if (!dbus_g_proxy_call (proxy, "ShareWithTube", &error,
DBUS_TYPE_G_OBJECT_PATH, connection_path,
DBUS_TYPE_G_OBJECT_PATH, tube_path,
dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE),
channel_properties,
G_TYPE_INVALID, G_TYPE_INVALID))
{
window = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL,
GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
"Vino doesn't support telepathy");
gtk_dialog_run (GTK_DIALOG (window));
gtk_widget_destroy (window);
DEBUG ("Failed to request name: %s",
error ? error->message : "No error given");
g_clear_error (&error);
}
g_hash_table_unref (channel_properties);
g_free (connection_path);
g_free (tube_path);
g_free (obj_path);
g_object_unref (proxy);
}
static void
empathy_share_my_desktop_create_channel_cb (TpConnection *connection,
const gchar *object_path,
GHashTable *channel_properties,
const GError *error_failed,
gpointer user_data,
GObject *object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *)
user_data;
TpChannel *channel;
GError *error = NULL;
if (object_path == NULL)
{
DEBUG ("CreateChannel failed: %s", error_failed->message);
return;
}
DEBUG ("Offering a new stream tube");
channel = tp_channel_new_from_properties (connection, object_path,
channel_properties, &error);
if (channel == NULL)
{
DEBUG ("Error requesting channel: %s", error->message);
g_clear_error (&error);
return;
}
tp_channel_call_when_ready (channel,
empathy_share_my_desktop_channel_ready, data);
}
static void
empathy_share_my_desktop_connection_ready (TpConnection *connection,
const GError *error,
gpointer object)
{
EmpathyShareMyDesktopPrivate *data = (EmpathyShareMyDesktopPrivate *) object;
GHashTable *request;
GValue *value;
if (connection == NULL)
{
DEBUG ("The connection is not ready: %s", error->message);
return;
}
request = g_hash_table_new_full (g_str_hash, g_str_equal, NULL,
(GDestroyNotify) tp_g_value_slice_free);
/* org.freedesktop.Telepathy.Channel.ChannelType */
value = tp_g_value_slice_new_static_string
(TP_IFACE_CHANNEL_TYPE_STREAM_TUBE);
g_hash_table_insert (request, TP_IFACE_CHANNEL ".ChannelType", value);
/* org.freedesktop.Telepathy.Channel.TargetHandleType */
value = tp_g_value_slice_new_uint (TP_HANDLE_TYPE_CONTACT);
g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandleType", value);
/* org.freedesktop.Telepathy.Channel.TargetHandleType */
value = tp_g_value_slice_new_uint (tp_contact_get_handle
(data->contact));
g_hash_table_insert (request, TP_IFACE_CHANNEL ".TargetHandle", value);
/* org.freedesktop.Telepathy.Channel.Type.StreamTube.Service */
value = tp_g_value_slice_new_static_string ("x_vnc");
g_hash_table_insert (request,
TP_IFACE_CHANNEL_TYPE_STREAM_TUBE ".Service",
value);
tp_cli_connection_interface_requests_call_create_channel
(connection, -1, request, empathy_share_my_desktop_create_channel_cb,
data, NULL, NULL);
g_hash_table_destroy (request);
}
void
empathy_share_my_desktop_share_with_contact (EmpathyContact *contact)
{
TpConnection *connection;
EmpathyShareMyDesktopPrivate *data;
data = g_slice_new (EmpathyShareMyDesktopPrivate);
data->contact = empathy_contact_get_tp_contact (contact);
DEBUG ("Creation of ShareMyDesktop");
if (!TP_IS_CONTACT (data->contact))
{
DEBUG ("It's not a tp contact");
return;
}
connection = tp_contact_get_connection (data->contact);
tp_connection_call_when_ready (connection,
empathy_share_my_desktop_connection_ready, data);
}
