diff options
Diffstat (limited to 'src/backends/meta-dbus-session-watcher.c')
| -rw-r--r-- | src/backends/meta-dbus-session-watcher.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/src/backends/meta-dbus-session-watcher.c b/src/backends/meta-dbus-session-watcher.c deleted file mode 100644 index a885b423b..000000000 --- a/src/backends/meta-dbus-session-watcher.c +++ /dev/null @@ -1,237 +0,0 @@ -/* -*- 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-dbus-session-watcher.h" - -#include <gio/gio.h> - -enum -{ - SESSION_SIGNAL_SESSION_CLOSED, - - N_SESSION_SIGNALS -}; - -static guint session_signals[N_SESSION_SIGNALS]; - -G_DEFINE_INTERFACE (MetaDbusSession, meta_dbus_session, G_TYPE_OBJECT) - -struct _MetaDbusSessionWatcher -{ - GObject parent; - - GHashTable *clients; -}; - -G_DEFINE_TYPE (MetaDbusSessionWatcher, - meta_dbus_session_watcher, - G_TYPE_OBJECT) - -typedef struct _MetaDbusSessionClient -{ - MetaDbusSessionWatcher *session_watcher; - MetaDbusSession *session; - char *dbus_name; - guint name_watcher_id; - GList *sessions; -} MetaDbusSessionClient; - -static void -meta_dbus_session_client_vanished (MetaDbusSession *session) -{ - META_DBUS_SESSION_GET_IFACE (session)->client_vanished (session); -} - -static void -meta_dbus_session_client_destroy (MetaDbusSessionClient *client) -{ - while (TRUE) - { - GList *l; - MetaDbusSession *session; - - l = client->sessions; - if (!l) - break; - - session = l->data; - - /* - * This will invoke on_session_closed which removes the session from the - * list. - */ - meta_dbus_session_client_vanished (session); - } - - if (client->name_watcher_id) - g_bus_unwatch_name (client->name_watcher_id); - - g_free (client->dbus_name); - g_free (client); -} - -static void -meta_dbus_session_watcher_destroy_client (MetaDbusSessionWatcher *session_watcher, - MetaDbusSessionClient *client) -{ - g_hash_table_remove (session_watcher->clients, client->dbus_name); -} - -static void -name_vanished_callback (GDBusConnection *connection, - const char *name, - gpointer user_data) -{ - MetaDbusSessionClient *client = user_data; - - g_warning ("D-Bus client with active sessions vanished"); - - client->name_watcher_id = 0; - - meta_dbus_session_watcher_destroy_client (client->session_watcher, client); -} - -static MetaDbusSessionClient * -meta_dbus_session_client_new (MetaDbusSessionWatcher *session_watcher, - MetaDbusSession *session, - const char *dbus_name) -{ - GDBusInterfaceSkeleton *interface_skeleton = - G_DBUS_INTERFACE_SKELETON (session); - GDBusConnection *connection = - g_dbus_interface_skeleton_get_connection (interface_skeleton); - MetaDbusSessionClient *client; - - client = g_new0 (MetaDbusSessionClient, 1); - client->session_watcher = session_watcher; - client->session = session; - client->dbus_name = g_strdup (dbus_name); - - client->name_watcher_id = - g_bus_watch_name_on_connection (connection, - dbus_name, - G_BUS_NAME_WATCHER_FLAGS_NONE, - NULL, - name_vanished_callback, - client, - NULL); - - return client; -} - -static void -on_session_closed (MetaDbusSession *session, - MetaDbusSessionClient *client) -{ - client->sessions = g_list_remove (client->sessions, session); - - if (!client->sessions) - meta_dbus_session_watcher_destroy_client (client->session_watcher, client); -} - -static void -meta_dbus_session_client_add_session (MetaDbusSessionClient *client, - MetaDbusSession *session) -{ - client->sessions = g_list_append (client->sessions, session); - - g_signal_connect (session, "session-closed", - G_CALLBACK (on_session_closed), - client); -} - -static MetaDbusSessionClient * -meta_dbus_session_watcher_get_client (MetaDbusSessionWatcher *session_watcher, - const char *dbus_name) -{ - return g_hash_table_lookup (session_watcher->clients, dbus_name); -} - -void -meta_dbus_session_watcher_watch_session (MetaDbusSessionWatcher *session_watcher, - const char *client_dbus_name, - MetaDbusSession *session) -{ - MetaDbusSessionClient *client; - - client = meta_dbus_session_watcher_get_client (session_watcher, - client_dbus_name); - if (!client) - { - client = meta_dbus_session_client_new (session_watcher, - session, - client_dbus_name); - g_hash_table_insert (session_watcher->clients, - g_strdup (client_dbus_name), - client); - } - - meta_dbus_session_client_add_session (client, session); -} - -void -meta_dbus_session_notify_closed (MetaDbusSession *session) -{ - g_signal_emit (session, session_signals[SESSION_SIGNAL_SESSION_CLOSED], 0); -} - -static void -meta_dbus_session_default_init (MetaDbusSessionInterface *iface) -{ - session_signals[SESSION_SIGNAL_SESSION_CLOSED] = - g_signal_new ("session-closed", - G_TYPE_FROM_INTERFACE (iface), - G_SIGNAL_RUN_LAST, - 0, - NULL, NULL, NULL, - G_TYPE_NONE, 0); -} - -static void -meta_dbus_session_watcher_finalize (GObject *object) -{ - MetaDbusSessionWatcher *session_watcher = META_DBUS_SESSION_WATCHER (object); - - g_hash_table_destroy (session_watcher->clients); - - G_OBJECT_CLASS (meta_dbus_session_watcher_parent_class)->finalize (object); -} - -static void -meta_dbus_session_watcher_init (MetaDbusSessionWatcher *session_watcher) -{ - session_watcher->clients = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - (GDestroyNotify) meta_dbus_session_client_destroy); -} - -static void -meta_dbus_session_watcher_class_init (MetaDbusSessionWatcherClass *klass) -{ - GObjectClass *object_class = G_OBJECT_CLASS (klass); - - object_class->finalize = meta_dbus_session_watcher_finalize; -} |