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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2012 Red Hat, Inc.
Red Hat Authors:
Hans de Goede <hdegoede@redhat.com>
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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#ifdef USE_DBUS_GLIB
#include <dbus/dbus-glib.h>
#endif
#include "glib-compat.h"
#include "spice-session-priv.h"
#include "desktop-integration.h"
#include <glib/gi18n.h>
#define GNOME_SESSION_INHIBIT_AUTOMOUNT 16
/* ------------------------------------------------------------------ */
/* gobject glue */
#define SPICE_DESKTOP_INTEGRATION_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), SPICE_TYPE_DESKTOP_INTEGRATION, SpiceDesktopIntegrationPrivate))
struct _SpiceDesktopIntegrationPrivate {
#ifdef USE_DBUS_GLIB
DBusGProxy *gnome_session_proxy;
guint gnome_automount_inhibit_cookie;
#else
int dummy;
#endif
};
G_DEFINE_TYPE(SpiceDesktopIntegration, spice_desktop_integration, G_TYPE_OBJECT);
/* ------------------------------------------------------------------ */
/* Gnome specific code */
#ifdef USE_DBUS_GLIB
static void handle_dbus_call_error(const char *call, GError **_error)
{
GError *error = *_error;
const char *message = error->message;
if (error->domain == DBUS_GERROR &&
error->code == DBUS_GERROR_REMOTE_EXCEPTION)
message = dbus_g_error_get_name(error);
g_warning("Error calling '%s': %s", call, message);
g_clear_error(_error);
}
static gboolean gnome_integration_init(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
DBusGConnection *conn;
conn = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
if (!conn)
goto end;
/* We use for_name_owner, to resolve the name now, as we may not be
running under gnome-session manager at all! */
priv->gnome_session_proxy = dbus_g_proxy_new_for_name_owner(
conn,
"org.gnome.SessionManager",
"/org/gnome/SessionManager",
"org.gnome.SessionManager",
&error);
end:
if (error) {
g_debug("Could not create org.gnome.SessionManager dbus proxy: %s",
error->message);
g_clear_error(&error);
return FALSE;
}
return TRUE;
}
static void gnome_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
if (!priv->gnome_session_proxy)
return;
g_return_if_fail(priv->gnome_automount_inhibit_cookie == 0);
if (!dbus_g_proxy_call(
priv->gnome_session_proxy, "Inhibit", &error,
G_TYPE_STRING, g_get_prgname(),
G_TYPE_UINT, 0,
G_TYPE_STRING,
_("Automounting has been inhibited for USB auto-redirecting"),
G_TYPE_UINT, GNOME_SESSION_INHIBIT_AUTOMOUNT,
G_TYPE_INVALID,
G_TYPE_UINT, &priv->gnome_automount_inhibit_cookie,
G_TYPE_INVALID))
handle_dbus_call_error("org.gnome.SessionManager.Inhibit", &error);
}
static void gnome_integration_uninhibit_automount(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
if (!priv->gnome_session_proxy)
return;
/* Cookie is 0 when we failed to inhibit (and when called from dispose) */
if (priv->gnome_automount_inhibit_cookie == 0)
return;
if (!dbus_g_proxy_call(
priv->gnome_session_proxy, "Uninhibit", &error,
G_TYPE_UINT, priv->gnome_automount_inhibit_cookie,
G_TYPE_INVALID,
G_TYPE_INVALID))
handle_dbus_call_error("org.gnome.SessionManager.Uninhibit", &error);
priv->gnome_automount_inhibit_cookie = 0;
}
static void gnome_integration_dispose(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
g_clear_object(&priv->gnome_session_proxy);
}
#endif
/* ------------------------------------------------------------------ */
/* gobject glue */
static void spice_desktop_integration_init(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv;
priv = SPICE_DESKTOP_INTEGRATION_GET_PRIVATE(self);
self->priv = priv;
#ifdef USE_DBUS_GLIB
if (!gnome_integration_init(self))
#endif
g_warning("Warning no automount-inhibiting implementation available");
}
static void spice_desktop_integration_dispose(GObject *gobject)
{
#ifdef USE_DBUS_GLIB
SpiceDesktopIntegration *self = SPICE_DESKTOP_INTEGRATION(gobject);
gnome_integration_dispose(self);
#endif
/* Chain up to the parent class */
if (G_OBJECT_CLASS(spice_desktop_integration_parent_class)->dispose)
G_OBJECT_CLASS(spice_desktop_integration_parent_class)->dispose(gobject);
}
static void spice_desktop_integration_class_init(SpiceDesktopIntegrationClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->dispose = spice_desktop_integration_dispose;
g_type_class_add_private(klass, sizeof(SpiceDesktopIntegrationPrivate));
}
/* ------------------------------------------------------------------ */
/* public methods */
SpiceDesktopIntegration *spice_desktop_integration_get(SpiceSession *session)
{
SpiceDesktopIntegration *self;
static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
g_return_val_if_fail(session != NULL, NULL);
g_static_mutex_lock(&mutex);
self = session->priv->desktop_integration;
if (self == NULL) {
self = g_object_new(SPICE_TYPE_DESKTOP_INTEGRATION, NULL);
session->priv->desktop_integration = self;
}
g_static_mutex_unlock(&mutex);
return self;
}
void spice_desktop_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
#ifdef USE_DBUS_GLIB
gnome_integration_inhibit_automount(self);
#endif
}
void spice_desktop_integration_uninhibit_automount(SpiceDesktopIntegration *self)
{
#ifdef USE_DBUS_GLIB
gnome_integration_uninhibit_automount(self);
#endif
}
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