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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>
#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 {
#if defined(USE_GDBUS)
GDBusProxy *gnome_session_proxy;
#else
GObject *gnome_session_proxy; /* dummy */
#endif
guint gnome_automount_inhibit_cookie;
};
G_DEFINE_TYPE(SpiceDesktopIntegration, spice_desktop_integration, G_TYPE_OBJECT);
/* ------------------------------------------------------------------ */
/* Gnome specific code */
static void handle_dbus_call_error(const char *call, GError **_error)
{
GError *error = *_error;
const char *message = error->message;
g_warning("Error calling '%s': %s", call, message);
g_clear_error(_error);
}
static gboolean gnome_integration_init(SpiceDesktopIntegration *self)
{
G_GNUC_UNUSED SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
gboolean success = TRUE;
#if defined(USE_GDBUS)
gchar *name_owner = NULL;
priv->gnome_session_proxy =
g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.gnome.SessionManager",
"/org/gnome/SessionManager",
"org.gnome.SessionManager",
NULL,
&error);
if (!error &&
(name_owner = g_dbus_proxy_get_name_owner(priv->gnome_session_proxy)) == NULL) {
g_clear_object(&priv->gnome_session_proxy);
success = FALSE;
}
g_free(name_owner);
#else
success = FALSE;
#endif
if (error) {
g_warning("Could not create org.gnome.SessionManager dbus proxy: %s",
error->message);
g_clear_error(&error);
return FALSE;
}
return success;
}
static void gnome_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv = self->priv;
GError *error = NULL;
G_GNUC_UNUSED const gchar *reason =
_("Automounting has been inhibited for USB auto-redirecting");
if (!priv->gnome_session_proxy)
return;
g_return_if_fail(priv->gnome_automount_inhibit_cookie == 0);
#if defined(USE_GDBUS)
GVariant *v = g_dbus_proxy_call_sync(priv->gnome_session_proxy,
"Inhibit",
g_variant_new("(susu)",
g_get_prgname(),
0,
reason,
GNOME_SESSION_INHIBIT_AUTOMOUNT),
G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
if (v)
g_variant_get(v, "(u)", &priv->gnome_automount_inhibit_cookie);
g_clear_pointer(&v, g_variant_unref);
#endif
if (error)
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 defined(USE_GDBUS)
GVariant *v = g_dbus_proxy_call_sync(priv->gnome_session_proxy,
"Uninhibit",
g_variant_new("(u)",
priv->gnome_automount_inhibit_cookie),
G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
g_clear_pointer(&v, g_variant_unref);
#endif
if (error)
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);
}
/* ------------------------------------------------------------------ */
/* gobject glue */
static void spice_desktop_integration_init(SpiceDesktopIntegration *self)
{
SpiceDesktopIntegrationPrivate *priv;
priv = SPICE_DESKTOP_INTEGRATION_GET_PRIVATE(self);
self->priv = priv;
if (!gnome_integration_init(self))
g_warning("Warning no automount-inhibiting implementation available");
}
static void spice_desktop_integration_dispose(GObject *gobject)
{
SpiceDesktopIntegration *self = SPICE_DESKTOP_INTEGRATION(gobject);
gnome_integration_dispose(self);
/* 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));
}
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 = g_object_get_data(G_OBJECT(session), "spice-desktop");
if (self == NULL) {
self = g_object_new(SPICE_TYPE_DESKTOP_INTEGRATION, NULL);
g_object_set_data_full(G_OBJECT(session), "spice-desktop", self, g_object_unref);
}
g_static_mutex_unlock(&mutex);
return self;
}
void spice_desktop_integration_inhibit_automount(SpiceDesktopIntegration *self)
{
gnome_integration_inhibit_automount(self);
}
void spice_desktop_integration_uninhibit_automount(SpiceDesktopIntegration *self)
{
gnome_integration_uninhibit_automount(self);
}
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