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2f4a68c8c3
mutter/src/backends/meta-remote-desktop.c
Jonas Ådahl 2f4a68c8c3 Clean up include macros mess 
The order and way include macros were structured was chaotic, with no
real common thread between files. Try to tidy up the mess with some
common scheme, to make things look less messy.
2018-11-06 17:17:36 +01:00

279 lines
8.8 KiB
C
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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.
*
*/
#define _GNU_SOURCE
#include "config.h"
#include "backends/meta-remote-desktop.h"
#include <errno.h>
#include <glib.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include "backends/meta-backend-private.h"
#include "backends/meta-cursor-renderer.h"
#include "backends/meta-remote-desktop-session.h"
#include "backends/native/meta-cursor-renderer-native.h"
#include "meta/meta-backend.h"
#include "meta-dbus-remote-desktop.h"
#define META_REMOTE_DESKTOP_DBUS_SERVICE "org.gnome.Mutter.RemoteDesktop"
#define META_REMOTE_DESKTOP_DBUS_PATH "/org/gnome/Mutter/RemoteDesktop"
#define META_REMOTE_DESKTOP_API_VERSION 1
typedef enum _MetaRemoteDesktopDeviceTypes
{
META_REMOTE_DESKTOP_DEVICE_TYPE_NONE = 0,
META_REMOTE_DESKTOP_DEVICE_TYPE_KEYBOARD = 1 << 0,
META_REMOTE_DESKTOP_DEVICE_TYPE_POINTER = 1 << 1,
META_REMOTE_DESKTOP_DEVICE_TYPE_TOUCHSCREEN = 1 << 2,
} MetaRemoteDesktopDeviceTypes;
struct _MetaRemoteDesktop
{
MetaDBusRemoteDesktopSkeleton parent;
int dbus_name_id;
GHashTable *sessions;
MetaDbusSessionWatcher *session_watcher;
};
static void
meta_remote_desktop_init_iface (MetaDBusRemoteDesktopIface *iface);
G_DEFINE_TYPE_WITH_CODE (MetaRemoteDesktop,
meta_remote_desktop,
META_DBUS_TYPE_REMOTE_DESKTOP_SKELETON,
G_IMPLEMENT_INTERFACE (META_DBUS_TYPE_REMOTE_DESKTOP,
meta_remote_desktop_init_iface));
GDBusConnection *
meta_remote_desktop_get_connection (MetaRemoteDesktop *remote_desktop)
{
GDBusInterfaceSkeleton *interface_skeleton =
G_DBUS_INTERFACE_SKELETON (remote_desktop);
return g_dbus_interface_skeleton_get_connection (interface_skeleton);
}
MetaRemoteDesktopSession *
meta_remote_desktop_get_session (MetaRemoteDesktop *remote_desktop,
const char *session_id)
{
return g_hash_table_lookup (remote_desktop->sessions, session_id);
}
static void
on_session_closed (MetaRemoteDesktopSession *session,
MetaRemoteDesktop *remote_desktop)
{
char *session_id;
session_id = meta_remote_desktop_session_get_session_id (session);
g_hash_table_remove (remote_desktop->sessions, session_id);
}
static gboolean
handle_create_session (MetaDBusRemoteDesktop *skeleton,
GDBusMethodInvocation *invocation)
{
MetaRemoteDesktop *remote_desktop = META_REMOTE_DESKTOP (skeleton);
const char *peer_name;
MetaRemoteDesktopSession *session;
GError *error = NULL;
char *session_id;
char *session_path;
const char *client_dbus_name;
peer_name = g_dbus_method_invocation_get_sender (invocation);
session = meta_remote_desktop_session_new (remote_desktop,
peer_name,
&error);
if (!session)
{
g_warning ("Failed to create remote desktop session: %s",
error->message);
g_dbus_method_invocation_return_error (invocation, G_DBUS_ERROR,
G_DBUS_ERROR_FAILED,
"Failed to create session: %s",
error->message);
g_error_free (error);
return TRUE;
}
session_id = meta_remote_desktop_session_get_session_id (session);
g_hash_table_insert (remote_desktop->sessions,
session_id,
session);
client_dbus_name = g_dbus_method_invocation_get_sender (invocation);
meta_dbus_session_watcher_watch_session (remote_desktop->session_watcher,
client_dbus_name,
META_DBUS_SESSION (session));
session_path = meta_remote_desktop_session_get_object_path (session);
meta_dbus_remote_desktop_complete_create_session (skeleton,
invocation,
session_path);
g_signal_connect (session, "session-closed",
G_CALLBACK (on_session_closed),
remote_desktop);
return TRUE;
}
static void
meta_remote_desktop_init_iface (MetaDBusRemoteDesktopIface *iface)
{
iface->handle_create_session = handle_create_session;
}
static void
on_bus_acquired (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
MetaRemoteDesktop *remote_desktop = user_data;
GDBusInterfaceSkeleton *interface_skeleton =
G_DBUS_INTERFACE_SKELETON (remote_desktop);
GError *error = NULL;
if (!g_dbus_interface_skeleton_export (interface_skeleton,
connection,
META_REMOTE_DESKTOP_DBUS_PATH,
&error))
g_warning ("Failed to export remote desktop object: %s\n", error->message);
}
static void
on_name_acquired (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
g_info ("Acquired name %s\n", name);
}
static void
on_name_lost (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
g_warning ("Lost or failed to acquire name %s\n", name);
}
static void
meta_remote_desktop_constructed (GObject *object)
{
MetaRemoteDesktop *remote_desktop = META_REMOTE_DESKTOP (object);
remote_desktop->dbus_name_id =
g_bus_own_name (G_BUS_TYPE_SESSION,
META_REMOTE_DESKTOP_DBUS_SERVICE,
G_BUS_NAME_OWNER_FLAGS_NONE,
on_bus_acquired,
on_name_acquired,
on_name_lost,
remote_desktop,
NULL);
}
static void
meta_remote_desktop_finalize (GObject *object)
{
MetaRemoteDesktop *remote_desktop = META_REMOTE_DESKTOP (object);
GList *sessions;
if (remote_desktop->dbus_name_id != 0)
g_bus_unown_name (remote_desktop->dbus_name_id);
sessions = g_list_copy (g_hash_table_get_values (remote_desktop->sessions));
g_list_free_full (sessions,
(GDestroyNotify) meta_remote_desktop_session_close);
g_hash_table_destroy (remote_desktop->sessions);
G_OBJECT_CLASS (meta_remote_desktop_parent_class)->finalize (object);
}
MetaRemoteDesktop *
meta_remote_desktop_new (MetaDbusSessionWatcher *session_watcher)
{
MetaRemoteDesktop *remote_desktop;
remote_desktop = g_object_new (META_TYPE_REMOTE_DESKTOP, NULL);
remote_desktop->session_watcher = session_watcher;
return remote_desktop;
}
static MetaRemoteDesktopDeviceTypes
calculate_supported_device_types (void)
{
ClutterDeviceManager *device_manager =
clutter_device_manager_get_default ();
ClutterVirtualDeviceType device_types;
MetaRemoteDesktopDeviceTypes supported_devices =
META_REMOTE_DESKTOP_DEVICE_TYPE_NONE;
device_types =
clutter_device_manager_get_supported_virtual_device_types (device_manager);
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_KEYBOARD)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_KEYBOARD;
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_POINTER)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_POINTER;
if (device_types & CLUTTER_VIRTUAL_DEVICE_TYPE_TOUCHSCREEN)
supported_devices |= META_REMOTE_DESKTOP_DEVICE_TYPE_TOUCHSCREEN;
return supported_devices;
}
static void
meta_remote_desktop_init (MetaRemoteDesktop *remote_desktop)
{
remote_desktop->sessions = g_hash_table_new (g_str_hash, g_str_equal);
meta_dbus_remote_desktop_set_supported_device_types (
META_DBUS_REMOTE_DESKTOP (remote_desktop),
calculate_supported_device_types ());
meta_dbus_remote_desktop_set_version (
META_DBUS_REMOTE_DESKTOP (remote_desktop),
META_REMOTE_DESKTOP_API_VERSION);
}
static void
meta_remote_desktop_class_init (MetaRemoteDesktopClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = meta_remote_desktop_constructed;
object_class->finalize = meta_remote_desktop_finalize;
}
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