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mutter/src/backends/meta-remote-desktop-session.c
Carlos Garnacho bd4062a196 clutter: Limit number of touch slots available to a virtual touch device 
It's not worth letting these devices have an "unlimited" range of touch
slots. Limiting it to 32 is more than enough to map it with real touch
devices nowadays.

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1486
2020-10-23 18:48:18 +00:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2015-2017 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#include "config.h"
#include "backends/meta-remote-desktop-session.h"
#include <linux/input.h>
#include <xkbcommon/xkbcommon.h>
#include <stdlib.h>
#include "backends/meta-dbus-session-watcher.h"
#include "backends/meta-screen-cast-session.h"
#include "backends/meta-remote-access-controller-private.h"
#include "backends/x11/meta-backend-x11.h"
#include "cogl/cogl.h"
#include "meta/meta-backend.h"
#include "meta-dbus-remote-desktop.h"
#define META_REMOTE_DESKTOP_SESSION_DBUS_PATH "/org/gnome/Mutter/RemoteDesktop/Session"
enum _MetaRemoteDesktopNotifyAxisFlags
{
META_REMOTE_DESKTOP_NOTIFY_AXIS_FLAGS_FINISH = 1 << 0,
} MetaRemoteDesktopNotifyAxisFlags;
struct _MetaRemoteDesktopSession
{
MetaDBusRemoteDesktopSessionSkeleton parent;
char *peer_name;
char *session_id;
char *object_path;
MetaScreenCastSession *screen_cast_session;
gulong screen_cast_session_closed_handler_id;
guint started : 1;
ClutterVirtualInputDevice *virtual_pointer;
ClutterVirtualInputDevice *virtual_keyboard;
ClutterVirtualInputDevice *virtual_touchscreen;
MetaRemoteDesktopSessionHandle *handle;
};
static void
meta_remote_desktop_session_init_iface (MetaDBusRemoteDesktopSessionIface *iface);
static void
meta_dbus_session_init_iface (MetaDbusSessionInterface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaRemoteDesktopSession,
meta_remote_desktop_session,
META_DBUS_TYPE_REMOTE_DESKTOP_SESSION_SKELETON,
G_IMPLEMENT_INTERFACE (META_DBUS_TYPE_REMOTE_DESKTOP_SESSION,
meta_remote_desktop_session_init_iface)
G_IMPLEMENT_INTERFACE (META_TYPE_DBUS_SESSION,
meta_dbus_session_init_iface))
struct _MetaRemoteDesktopSessionHandle
{
MetaRemoteAccessHandle parent;
MetaRemoteDesktopSession *session;
};
G_DEFINE_TYPE (MetaRemoteDesktopSessionHandle,
meta_remote_desktop_session_handle,
META_TYPE_REMOTE_ACCESS_HANDLE)
static MetaRemoteDesktopSessionHandle *
meta_remote_desktop_session_handle_new (MetaRemoteDesktopSession *session);
static gboolean
meta_remote_desktop_session_is_running (MetaRemoteDesktopSession *session)
{
return !!session->virtual_pointer;
}
static void
init_remote_access_handle (MetaRemoteDesktopSession *session)
{
MetaBackend *backend = meta_get_backend ();
MetaRemoteAccessController *remote_access_controller;
MetaRemoteAccessHandle *remote_access_handle;
session->handle = meta_remote_desktop_session_handle_new (session);
remote_access_controller = meta_backend_get_remote_access_controller (backend);
remote_access_handle = META_REMOTE_ACCESS_HANDLE (session->handle);
meta_remote_access_controller_notify_new_handle (remote_access_controller,
remote_access_handle);
}
static gboolean
meta_remote_desktop_session_start (MetaRemoteDesktopSession *session,
GError **error)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterSeat *seat = clutter_backend_get_default_seat (backend);
g_assert (!session->started);
if (session->screen_cast_session)
{
if (!meta_screen_cast_session_start (session->screen_cast_session, error))
return FALSE;
}
session->virtual_pointer =
clutter_seat_create_virtual_device (seat, CLUTTER_POINTER_DEVICE);
session->virtual_keyboard =
clutter_seat_create_virtual_device (seat, CLUTTER_KEYBOARD_DEVICE);
session->virtual_touchscreen =
clutter_seat_create_virtual_device (seat, CLUTTER_TOUCHSCREEN_DEVICE);
init_remote_access_handle (session);
session->started = TRUE;
return TRUE;
}
void
meta_remote_desktop_session_close (MetaRemoteDesktopSession *session)
{
MetaDBusRemoteDesktopSession *skeleton =
META_DBUS_REMOTE_DESKTOP_SESSION (session);
session->started = FALSE;
if (session->screen_cast_session)
{
g_clear_signal_handler (&session->screen_cast_session_closed_handler_id,
session->screen_cast_session);
meta_screen_cast_session_close (session->screen_cast_session);
session->screen_cast_session = NULL;
}
g_clear_object (&session->virtual_pointer);
g_clear_object (&session->virtual_keyboard);
g_clear_object (&session->virtual_touchscreen);
meta_dbus_session_notify_closed (META_DBUS_SESSION (session));
meta_dbus_remote_desktop_session_emit_closed (skeleton);
g_dbus_interface_skeleton_unexport (G_DBUS_INTERFACE_SKELETON (session));
if (session->handle)
{
MetaRemoteAccessHandle *remote_access_handle =
META_REMOTE_ACCESS_HANDLE (session->handle);
meta_remote_access_handle_notify_stopped (remote_access_handle);
}
g_object_unref (session);
}
char *
meta_remote_desktop_session_get_object_path (MetaRemoteDesktopSession *session)
{
return session->object_path;
}
char *
meta_remote_desktop_session_get_session_id (MetaRemoteDesktopSession *session)
{
return session->session_id;
}
static void
on_screen_cast_session_closed (MetaScreenCastSession *screen_cast_session,
MetaRemoteDesktopSession *session)
{
session->screen_cast_session = NULL;
meta_remote_desktop_session_close (session);
}
gboolean
meta_remote_desktop_session_register_screen_cast (MetaRemoteDesktopSession *session,
MetaScreenCastSession *screen_cast_session,
GError **error)
{
if (session->screen_cast_session)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Remote desktop session already have an associated "
"screen cast session");
return FALSE;
}
session->screen_cast_session = screen_cast_session;
session->screen_cast_session_closed_handler_id =
g_signal_connect (screen_cast_session, "session-closed",
G_CALLBACK (on_screen_cast_session_closed),
session);
return TRUE;
}
MetaRemoteDesktopSession *
meta_remote_desktop_session_new (MetaRemoteDesktop *remote_desktop,
const char *peer_name,
GError **error)
{
GDBusInterfaceSkeleton *interface_skeleton;
MetaRemoteDesktopSession *session;
GDBusConnection *connection;
session = g_object_new (META_TYPE_REMOTE_DESKTOP_SESSION, NULL);
session->peer_name = g_strdup (peer_name);
interface_skeleton = G_DBUS_INTERFACE_SKELETON (session);
connection = meta_remote_desktop_get_connection (remote_desktop);
if (!g_dbus_interface_skeleton_export (interface_skeleton,
connection,
session->object_path,
error))
{
g_object_unref (session);
return NULL;
}
return session;
}
static gboolean
check_permission (MetaRemoteDesktopSession *session,
GDBusMethodInvocation *invocation)
{
return g_strcmp0 (session->peer_name,
g_dbus_method_invocation_get_sender (invocation)) == 0;
}
static gboolean
meta_remote_desktop_session_check_can_notify (MetaRemoteDesktopSession *session,
GDBusMethodInvocation *invocation)
{
if (!session->started)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Session not started");
return FALSE;
}
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return FALSE;
}
return TRUE;
}
static gboolean
handle_start (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
GError *error = NULL;
if (session->started)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Already started");
return TRUE;
}
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return TRUE;
}
if (!meta_remote_desktop_session_start (session, &error))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Failed to start remote desktop: %s",
error->message);
g_error_free (error);
meta_remote_desktop_session_close (session);
return TRUE;
}
meta_dbus_remote_desktop_session_complete_start (skeleton, invocation);
return TRUE;
}
static gboolean
handle_stop (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
if (!session->started)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Session not started");
return TRUE;
}
if (!check_permission (session, invocation))
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_ACCESS_DENIED,
"Permission denied");
return TRUE;
}
meta_remote_desktop_session_close (session);
meta_dbus_remote_desktop_session_complete_stop (skeleton, invocation);
return TRUE;
}
static gboolean
handle_notify_keyboard_keycode (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
unsigned int keycode,
gboolean pressed)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
ClutterKeyState state;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (pressed)
state = CLUTTER_KEY_STATE_PRESSED;
else
state = CLUTTER_KEY_STATE_RELEASED;
clutter_virtual_input_device_notify_key (session->virtual_keyboard,
CLUTTER_CURRENT_TIME,
keycode,
state);
meta_dbus_remote_desktop_session_complete_notify_keyboard_keycode (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_keyboard_keysym (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
unsigned int keysym,
gboolean pressed)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
ClutterKeyState state;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (pressed)
state = CLUTTER_KEY_STATE_PRESSED;
else
state = CLUTTER_KEY_STATE_RELEASED;
clutter_virtual_input_device_notify_keyval (session->virtual_keyboard,
CLUTTER_CURRENT_TIME,
keysym,
state);
meta_dbus_remote_desktop_session_complete_notify_keyboard_keysym (skeleton,
invocation);
return TRUE;
}
/* Translation taken from the clutter evdev backend. */
static int
translate_to_clutter_button (int button)
{
switch (button)
{
case BTN_LEFT:
return CLUTTER_BUTTON_PRIMARY;
case BTN_RIGHT:
return CLUTTER_BUTTON_SECONDARY;
case BTN_MIDDLE:
return CLUTTER_BUTTON_MIDDLE;
default:
/*
* For compatibility reasons, all additional buttons go after the old
* 4-7 scroll ones.
*/
return button - (BTN_LEFT - 1) + 4;
}
}
static gboolean
handle_notify_pointer_button (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
int button_code,
gboolean pressed)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
uint32_t button;
ClutterButtonState state;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
button = translate_to_clutter_button (button_code);
if (pressed)
state = CLUTTER_BUTTON_STATE_PRESSED;
else
state = CLUTTER_BUTTON_STATE_RELEASED;
clutter_virtual_input_device_notify_button (session->virtual_pointer,
CLUTTER_CURRENT_TIME,
button,
state);
meta_dbus_remote_desktop_session_complete_notify_pointer_button (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_pointer_axis (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
double dx,
double dy,
uint32_t flags)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
ClutterScrollFinishFlags finish_flags = CLUTTER_SCROLL_FINISHED_NONE;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (flags & META_REMOTE_DESKTOP_NOTIFY_AXIS_FLAGS_FINISH)
{
finish_flags |= (CLUTTER_SCROLL_FINISHED_HORIZONTAL |
CLUTTER_SCROLL_FINISHED_VERTICAL);
}
clutter_virtual_input_device_notify_scroll_continuous (session->virtual_pointer,
CLUTTER_CURRENT_TIME,
dx, dy,
CLUTTER_SCROLL_SOURCE_FINGER,
finish_flags);
meta_dbus_remote_desktop_session_complete_notify_pointer_axis (skeleton,
invocation);
return TRUE;
}
static ClutterScrollDirection
discrete_steps_to_scroll_direction (unsigned int axis,
int steps)
{
if (axis == 0 && steps < 0)
return CLUTTER_SCROLL_UP;
if (axis == 0 && steps > 0)
return CLUTTER_SCROLL_DOWN;
if (axis == 1 && steps < 0)
return CLUTTER_SCROLL_LEFT;
if (axis == 1 && steps > 0)
return CLUTTER_SCROLL_RIGHT;
g_assert_not_reached ();
return 0;
}
static gboolean
handle_notify_pointer_axis_discrete (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
unsigned int axis,
int steps)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
ClutterScrollDirection direction;
int step_count;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (axis > 1)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Invalid axis value");
return TRUE;
}
if (steps == 0)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Invalid axis steps value");
return TRUE;
}
/*
* We don't have the actual scroll source, but only know they should be
* considered as discrete steps. The device that produces such scroll events
* is the scroll wheel, so pretend that is the scroll source.
*/
direction = discrete_steps_to_scroll_direction (axis, steps);
for (step_count = 0; step_count < abs (steps); step_count++)
clutter_virtual_input_device_notify_discrete_scroll (session->virtual_pointer,
CLUTTER_CURRENT_TIME,
direction,
CLUTTER_SCROLL_SOURCE_WHEEL);
meta_dbus_remote_desktop_session_complete_notify_pointer_axis_discrete (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_pointer_motion_relative (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
double dx,
double dy)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
clutter_virtual_input_device_notify_relative_motion (session->virtual_pointer,
CLUTTER_CURRENT_TIME,
dx, dy);
meta_dbus_remote_desktop_session_complete_notify_pointer_motion_relative (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_pointer_motion_absolute (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
const char *stream_path,
double x,
double y)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
MetaScreenCastStream *stream;
double abs_x, abs_y;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (!session->screen_cast_session)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"No screen cast active");
return TRUE;
}
stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
stream_path);
if (!stream)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Unknown stream");
return TRUE;
}
meta_screen_cast_stream_transform_position (stream, x, y, &abs_x, &abs_y);
clutter_virtual_input_device_notify_absolute_motion (session->virtual_pointer,
CLUTTER_CURRENT_TIME,
abs_x, abs_y);
meta_dbus_remote_desktop_session_complete_notify_pointer_motion_absolute (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_touch_down (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
const char *stream_path,
unsigned int slot,
double x,
double y)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
MetaScreenCastStream *stream;
double abs_x, abs_y;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (slot > CLUTTER_VIRTUAL_INPUT_DEVICE_MAX_TOUCH_SLOTS)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Touch slot out of range");
return TRUE;
}
if (!session->screen_cast_session)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"No screen cast active");
return TRUE;
}
stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
stream_path);
if (!stream)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Unknown stream");
return TRUE;
}
meta_screen_cast_stream_transform_position (stream, x, y, &abs_x, &abs_y);
clutter_virtual_input_device_notify_touch_down (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot,
abs_x, abs_y);
meta_dbus_remote_desktop_session_complete_notify_touch_down (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_touch_motion (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
const char *stream_path,
unsigned int slot,
double x,
double y)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
MetaScreenCastStream *stream;
double abs_x, abs_y;
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (slot > CLUTTER_VIRTUAL_INPUT_DEVICE_MAX_TOUCH_SLOTS)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Touch slot out of range");
return TRUE;
}
if (!session->screen_cast_session)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"No screen cast active");
return TRUE;
}
stream = meta_screen_cast_session_get_stream (session->screen_cast_session,
stream_path);
if (!stream)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Unknown stream");
return TRUE;
}
meta_screen_cast_stream_transform_position (stream, x, y, &abs_x, &abs_y);
clutter_virtual_input_device_notify_touch_motion (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot,
abs_x, abs_y);
meta_dbus_remote_desktop_session_complete_notify_touch_motion (skeleton,
invocation);
return TRUE;
}
static gboolean
handle_notify_touch_up (MetaDBusRemoteDesktopSession *skeleton,
GDBusMethodInvocation *invocation,
unsigned int slot)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (skeleton);
if (!meta_remote_desktop_session_check_can_notify (session, invocation))
return TRUE;
if (slot > CLUTTER_VIRTUAL_INPUT_DEVICE_MAX_TOUCH_SLOTS)
{
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Touch slot out of range");
return TRUE;
}
clutter_virtual_input_device_notify_touch_up (session->virtual_touchscreen,
CLUTTER_CURRENT_TIME,
slot);
meta_dbus_remote_desktop_session_complete_notify_touch_up (skeleton,
invocation);
return TRUE;
}
static void
meta_remote_desktop_session_init_iface (MetaDBusRemoteDesktopSessionIface *iface)
{
iface->handle_start = handle_start;
iface->handle_stop = handle_stop;
iface->handle_notify_keyboard_keycode = handle_notify_keyboard_keycode;
iface->handle_notify_keyboard_keysym = handle_notify_keyboard_keysym;
iface->handle_notify_pointer_button = handle_notify_pointer_button;
iface->handle_notify_pointer_axis = handle_notify_pointer_axis;
iface->handle_notify_pointer_axis_discrete = handle_notify_pointer_axis_discrete;
iface->handle_notify_pointer_motion_relative = handle_notify_pointer_motion_relative;
iface->handle_notify_pointer_motion_absolute = handle_notify_pointer_motion_absolute;
iface->handle_notify_touch_down = handle_notify_touch_down;
iface->handle_notify_touch_motion = handle_notify_touch_motion;
iface->handle_notify_touch_up = handle_notify_touch_up;
}
static void
meta_remote_desktop_session_client_vanished (MetaDbusSession *dbus_session)
{
meta_remote_desktop_session_close (META_REMOTE_DESKTOP_SESSION (dbus_session));
}
static void
meta_dbus_session_init_iface (MetaDbusSessionInterface *iface)
{
iface->client_vanished = meta_remote_desktop_session_client_vanished;
}
static void
meta_remote_desktop_session_finalize (GObject *object)
{
MetaRemoteDesktopSession *session = META_REMOTE_DESKTOP_SESSION (object);
g_assert (!meta_remote_desktop_session_is_running (session));
g_clear_object (&session->handle);
g_free (session->peer_name);
g_free (session->session_id);
g_free (session->object_path);
G_OBJECT_CLASS (meta_remote_desktop_session_parent_class)->finalize (object);
}
static void
meta_remote_desktop_session_init (MetaRemoteDesktopSession *session)
{
MetaDBusRemoteDesktopSession *skeleton =
META_DBUS_REMOTE_DESKTOP_SESSION (session);
GRand *rand;
static unsigned int global_session_number = 0;
rand = g_rand_new ();
session->session_id = meta_generate_random_id (rand, 32);
g_rand_free (rand);
meta_dbus_remote_desktop_session_set_session_id (skeleton, session->session_id);
session->object_path =
g_strdup_printf (META_REMOTE_DESKTOP_SESSION_DBUS_PATH "/u%u",
++global_session_number);
}
static void
meta_remote_desktop_session_class_init (MetaRemoteDesktopSessionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_remote_desktop_session_finalize;
}
static MetaRemoteDesktopSessionHandle *
meta_remote_desktop_session_handle_new (MetaRemoteDesktopSession *session)
{
MetaRemoteDesktopSessionHandle *handle;
handle = g_object_new (META_TYPE_REMOTE_DESKTOP_SESSION_HANDLE, NULL);
handle->session = session;
return handle;
}
static void
meta_remote_desktop_session_handle_stop (MetaRemoteAccessHandle *handle)
{
MetaRemoteDesktopSession *session;
session = META_REMOTE_DESKTOP_SESSION_HANDLE (handle)->session;
if (!session)
return;
meta_remote_desktop_session_close (session);
}
static void
meta_remote_desktop_session_handle_init (MetaRemoteDesktopSessionHandle *handle)
{
}
static void
meta_remote_desktop_session_handle_class_init (MetaRemoteDesktopSessionHandleClass *klass)
{
MetaRemoteAccessHandleClass *remote_access_handle_class =
META_REMOTE_ACCESS_HANDLE_CLASS (klass);
remote_access_handle_class->stop = meta_remote_desktop_session_handle_stop;
}
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