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authorConor Curran <conor.curran@canonical.com>2011-07-19 11:15:38 +0100
committerConor Curran <conor.curran@canonical.com>2011-07-19 11:15:38 +0100
commit59c85f004455ff9c5e0af5fc3cc605ac4c6bc775 (patch)
treeab932cabe3f3a0b4023f2e1dad01aa1f54634a02 /src/device-menu-mgr.c
parent8f5facfda34c8c1bf77e9871eaf78ab435a9a076 (diff)
parent5762761151a8a8168c7bf0281d83682a260cbcce (diff)
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merged in the device menu split out
Diffstat (limited to 'src/device-menu-mgr.c')
-rw-r--r--src/device-menu-mgr.c636
1 files changed, 636 insertions, 0 deletions
diff --git a/src/device-menu-mgr.c b/src/device-menu-mgr.c
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@@ -0,0 +1,636 @@
+/*
+Copyright 2011 Canonical Ltd.
+
+Authors:
+ Conor Curran <conor.curran@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License version 3, as published
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranties of
+MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "device-menu-mgr.h"
+#include "gconf-helper.h"
+#include "dbus-shared-names.h"
+#include "dbusmenu-shared.h"
+#include "lock-helper.h"
+#include "upower-client.h"
+
+#define UP_ADDRESS "org.freedesktop.UPower"
+#define UP_OBJECT "/org/freedesktop/UPower"
+#define UP_INTERFACE "org.freedesktop.UPower"
+
+#define EXTRA_LAUNCHER_DIR "/usr/share/indicators/session/applications"
+
+struct _DeviceMenuMgr
+{
+ GObject parent_instance;
+ DbusmenuMenuitem* root_item;
+ SessionDbus* session_dbus_interface;
+};
+
+static GConfClient *gconf_client = NULL;
+static DbusmenuMenuitem *lock_menuitem = NULL;
+
+static DBusGProxyCall * suspend_call = NULL;
+static DBusGProxyCall * hibernate_call = NULL;
+
+static DbusmenuMenuitem * hibernate_mi = NULL;
+static DbusmenuMenuitem * suspend_mi = NULL;
+static DbusmenuMenuitem * logout_mi = NULL;
+static DbusmenuMenuitem * restart_mi = NULL;
+static DbusmenuMenuitem * shutdown_mi = NULL;
+
+static gboolean can_hibernate = TRUE;
+static gboolean can_suspend = TRUE;
+static gboolean allow_hibernate = TRUE;
+static gboolean allow_suspend = TRUE;
+
+static DBusGProxy * up_main_proxy = NULL;
+static DBusGProxy * up_prop_proxy = NULL;
+
+static void device_menu_mgr_ensure_gconf_client (DeviceMenuMgr* self);
+static void setup_restart_watch (DeviceMenuMgr* self);
+static void setup_up (DeviceMenuMgr* self);
+static void device_menu_mgr_rebuild_items (DeviceMenuMgr *self);
+static void lock_if_possible (DeviceMenuMgr* self);
+static void machine_sleep_with_context (DeviceMenuMgr* self,
+ gchar* type);
+static void
+machine_sleep_from_hibernate (DbusmenuMenuitem * mi,
+ guint timestamp,
+ gpointer userdata);
+static void
+machine_sleep_from_suspend (DbusmenuMenuitem * mi,
+ guint timestamp,
+ gpointer userdata);
+
+G_DEFINE_TYPE (DeviceMenuMgr, device_menu_mgr, G_TYPE_OBJECT);
+
+static void
+device_menu_mgr_init (DeviceMenuMgr *self)
+{
+ self->root_item = dbusmenu_menuitem_new ();
+ setup_restart_watch(self);
+ setup_up(self);
+ g_idle_add(lock_screen_setup, NULL);
+}
+
+static void
+device_menu_mgr_finalize (GObject *object)
+{
+ /* TODO: Add deinitalization code here */
+ G_OBJECT_CLASS (device_menu_mgr_parent_class)->finalize (object);
+}
+
+// TODO refactor into one helper method for both menu mgrs.
+static void
+device_menu_mgr_class_init (DeviceMenuMgrClass *klass)
+{
+ GObjectClass* object_class = G_OBJECT_CLASS (klass);
+ //GObjectClass* parent_class = G_OBJECT_CLASS (klass);
+ object_class->finalize = device_menu_mgr_finalize;
+}
+
+
+static void
+lockdown_changed (GConfClient *client,
+ guint cnxd_id,
+ GConfEntry *entry,
+ gpointer user_data)
+{
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (user_data);
+ GConfValue *value = gconf_entry_get_value (entry);
+ const gchar *key = gconf_entry_get_key (entry);
+
+ if (value == NULL || key == NULL) {
+ return;
+ }
+
+ if (g_strcmp0 (key, LOCKDOWN_KEY_USER) == 0 ||
+ g_strcmp0 (key, LOCKDOWN_KEY_SCREENSAVER) == 0) {
+ device_menu_mgr_rebuild_items(self);
+ }
+
+ return;
+}
+
+static void
+keybinding_changed (GConfClient *client,
+ guint cnxd_id,
+ GConfEntry *entry,
+ gpointer user_data)
+{
+ GConfValue *value = gconf_entry_get_value (entry);
+ const gchar *key = gconf_entry_get_key (entry);
+
+ if (value == NULL || key == NULL) {
+ return;
+ }
+
+ if (g_strcmp0 (key, KEY_LOCK_SCREEN) == 0) {
+ g_debug("Keybinding changed to: %s", gconf_value_get_string(value));
+ if (lock_menuitem != NULL) {
+ dbusmenu_menuitem_property_set_shortcut_string (lock_menuitem,
+ gconf_value_get_string(value));
+ }
+ }
+ return;
+}
+
+/* Check to see if the lockdown key is protecting from
+ locking the screen. If not, lock it. */
+static void
+lock_if_possible (DeviceMenuMgr* self) {
+ device_menu_mgr_ensure_gconf_client (self);
+
+ if (!gconf_client_get_bool (gconf_client, LOCKDOWN_KEY_SCREENSAVER, NULL)) {
+ lock_screen (NULL, 0, NULL);
+ }
+ return;
+}
+
+/* A return from the command to sleep the system. Make sure
+ that we unthrottle the screensaver. */
+static void
+sleep_response (DBusGProxy * proxy, DBusGProxyCall * call, gpointer data)
+{
+ screensaver_unthrottle();
+ return;
+}
+
+static void
+machine_sleep_from_suspend (DbusmenuMenuitem * mi,
+ guint timestamp,
+ gpointer userdata)
+{
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (userdata);
+ machine_sleep_with_context (self, "Suspend");
+}
+
+static void
+machine_sleep_from_hibernate (DbusmenuMenuitem * mi,
+ guint timestamp,
+ gpointer userdata)
+{
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (userdata);
+ machine_sleep_with_context (self, "Hibernate");
+}
+
+/* Let's put this machine to sleep, with some info on how
+ it should sleep. */
+static void
+machine_sleep_with_context (DeviceMenuMgr* self, gchar* type)
+{
+ if (up_main_proxy == NULL) {
+ g_warning("Can not %s as no upower proxy", type);
+ }
+
+ screensaver_throttle(type);
+ lock_if_possible (self);
+
+ dbus_g_proxy_begin_call(up_main_proxy,
+ type,
+ sleep_response,
+ NULL,
+ NULL,
+ G_TYPE_INVALID);
+
+ return;
+}
+
+/* A response to getting the suspend property */
+static void
+suspend_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
+{
+ suspend_call = NULL;
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (userdata);
+
+ GValue candoit = {0};
+ GError * error = NULL;
+ dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_VALUE, &candoit, G_TYPE_INVALID);
+ if (error != NULL) {
+ g_warning("Unable to check suspend: %s", error->message);
+ g_error_free(error);
+ return;
+ }
+ g_debug("Got Suspend: %s", g_value_get_boolean(&candoit) ? "true" : "false");
+
+ gboolean local_can_suspend = g_value_get_boolean(&candoit);
+ if (local_can_suspend != can_suspend) {
+ can_suspend = local_can_suspend;
+ device_menu_mgr_rebuild_items(self);
+ }
+
+ return;
+}
+
+/* Response to getting the hibernate property */
+static void
+hibernate_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
+{
+ hibernate_call = NULL;
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (userdata);
+
+ GValue candoit = {0};
+ GError * error = NULL;
+ dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_VALUE, &candoit, G_TYPE_INVALID);
+ if (error != NULL) {
+ g_warning("Unable to check hibernate: %s", error->message);
+ g_error_free(error);
+ return;
+ }
+ g_debug("Got Hibernate: %s", g_value_get_boolean(&candoit) ? "true" : "false");
+
+ gboolean local_can_hibernate = g_value_get_boolean(&candoit);
+ if (local_can_hibernate != can_hibernate) {
+ can_hibernate = local_can_hibernate;
+ device_menu_mgr_rebuild_items(self);
+ }
+}
+
+/* A signal that we need to recheck to ensure we can still
+ hibernate and/or suspend */
+static void
+up_changed_cb (DBusGProxy * proxy, gpointer user_data)
+{
+ /* Start Async call to see if we can hibernate */
+ if (suspend_call == NULL) {
+ suspend_call = dbus_g_proxy_begin_call(up_prop_proxy,
+ "Get",
+ suspend_prop_cb,
+ user_data,
+ NULL,
+ G_TYPE_STRING,
+ UP_INTERFACE,
+ G_TYPE_STRING,
+ "CanSuspend",
+ G_TYPE_INVALID,
+ G_TYPE_VALUE,
+ G_TYPE_INVALID);
+ }
+
+ /* Start Async call to see if we can suspend */
+ if (hibernate_call == NULL) {
+ hibernate_call = dbus_g_proxy_begin_call(up_prop_proxy,
+ "Get",
+ hibernate_prop_cb,
+ user_data,
+ NULL,
+ G_TYPE_STRING,
+ UP_INTERFACE,
+ G_TYPE_STRING,
+ "CanHibernate",
+ G_TYPE_INVALID,
+ G_TYPE_VALUE,
+ G_TYPE_INVALID);
+ }
+}
+/* Handle the callback from the allow functions to check and
+ see if we're changing the value, and if so, rebuilding the
+ menus based on that info. */
+static void
+allowed_suspend_cb (DBusGProxy *proxy,
+ gboolean OUT_allowed,
+ GError *error,
+ gpointer userdata)
+{
+ if (error != NULL) {
+ g_warning("Unable to get information on what is allowed from UPower: %s",
+ error->message);
+ return;
+ }
+
+ if (OUT_allowed != allow_suspend) {
+ allow_suspend = OUT_allowed;
+ device_menu_mgr_rebuild_items(DEVICE_MENU_MGR (userdata));
+ }
+}
+
+/* Handle the callback from the allow functions to check and
+ see if we're changing the value, and if so, rebuilding the
+ menus based on that info. */
+static void
+allowed_hibernate_cb (DBusGProxy *proxy,
+ gboolean OUT_allowed,
+ GError *error,
+ gpointer userdata)
+{
+ if (error != NULL) {
+ g_warning("Unable to get information on what is allowed from UPower: %s",
+ error->message);
+ return;
+ }
+
+ if (OUT_allowed != allow_hibernate) {
+ allow_hibernate = OUT_allowed;
+ device_menu_mgr_rebuild_items(DEVICE_MENU_MGR (userdata));
+ }
+}
+
+/* This function goes through and sets up what we need for
+ DKp checking. We're even setting up the calls for the props
+ we need */
+static void
+setup_up (DeviceMenuMgr* self) {
+ DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
+ g_return_if_fail(bus != NULL);
+
+ if (up_main_proxy == NULL) {
+ up_main_proxy = dbus_g_proxy_new_for_name(bus,
+ UP_ADDRESS,
+ UP_OBJECT,
+ UP_INTERFACE);
+ }
+ g_return_if_fail(up_main_proxy != NULL);
+
+ if (up_prop_proxy == NULL) {
+ up_prop_proxy = dbus_g_proxy_new_for_name(bus,
+ UP_ADDRESS,
+ UP_OBJECT,
+ DBUS_INTERFACE_PROPERTIES);
+ /* Connect to changed signal */
+ dbus_g_proxy_add_signal(up_main_proxy,
+ "Changed",
+ G_TYPE_INVALID);
+
+ dbus_g_proxy_connect_signal(up_main_proxy,
+ "Changed",
+ G_CALLBACK(up_changed_cb),
+ self,
+ NULL);
+ }
+ g_return_if_fail(up_prop_proxy != NULL);
+
+
+ /* Force an original "changed" event */
+ up_changed_cb(up_main_proxy, self);
+
+ /* Check to see if these are getting blocked by PolicyKit */
+ org_freedesktop_UPower_suspend_allowed_async(up_main_proxy,
+ allowed_suspend_cb,
+ self);
+ org_freedesktop_UPower_hibernate_allowed_async(up_main_proxy,
+ allowed_hibernate_cb,
+ self);
+
+ return;
+}
+
+/* This is the function to show a dialog on actions that
+ can destroy data. Currently it just calls the GTK version
+ but it seems that in the future it should figure out
+ what's going on and something better. */
+static void
+show_dialog (DbusmenuMenuitem * mi, guint timestamp, gchar * type)
+{
+ gchar * helper = g_build_filename(LIBEXECDIR, "gtk-logout-helper", NULL);
+ gchar * dialog_line = g_strdup_printf("%s --%s", helper, type);
+ g_free(helper);
+
+ g_debug("Showing dialog '%s'", dialog_line);
+
+ GError * error = NULL;
+ if (!g_spawn_command_line_async(dialog_line, &error)) {
+ g_warning("Unable to show dialog: %s", error->message);
+ g_error_free(error);
+ }
+
+ g_free(dialog_line);
+
+ return;
+}
+
+
+static void
+device_menu_mgr_rebuild_items (DeviceMenuMgr* self)
+{
+ gboolean can_lockscreen;
+
+ /* Make sure we have a valid GConf client, and build one
+ if needed */
+ device_menu_mgr_ensure_gconf_client (self);
+
+ can_lockscreen = !gconf_client_get_bool ( gconf_client,
+ LOCKDOWN_KEY_SCREENSAVER,
+ NULL);
+ /* Lock screen item */
+ if (can_lockscreen) {
+ lock_menuitem = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (lock_menuitem,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Lock Screen"));
+
+ gchar * shortcut = gconf_client_get_string(gconf_client, KEY_LOCK_SCREEN, NULL);
+ if (shortcut != NULL) {
+ g_debug("Lock screen shortcut: %s", shortcut);
+ dbusmenu_menuitem_property_set_shortcut_string(lock_menuitem, shortcut);
+ g_free(shortcut);
+ } else {
+ g_debug("Unable to get lock screen shortcut.");
+ }
+
+ g_signal_connect (G_OBJECT(lock_menuitem),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(lock_screen), NULL);
+ dbusmenu_menuitem_child_append(self->root_item, lock_menuitem);
+ }
+
+ /* Start going through the session based items. */
+
+ logout_mi = dbusmenu_menuitem_new();
+ if (supress_confirmations()) {
+ dbusmenu_menuitem_property_set (logout_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Log Out"));
+ } else {
+ dbusmenu_menuitem_property_set (logout_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Log Out\342\200\246"));
+ }
+ dbusmenu_menuitem_property_set_bool (logout_mi,
+ DBUSMENU_MENUITEM_PROP_VISIBLE,
+ show_logout());
+ dbusmenu_menuitem_child_append(self->root_item, logout_mi);
+ g_signal_connect( G_OBJECT(logout_mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(show_dialog), "logout");
+
+ if (can_suspend && allow_suspend) {
+ suspend_mi = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (suspend_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Suspend"));
+ dbusmenu_menuitem_child_append (self->root_item, suspend_mi);
+ g_signal_connect( G_OBJECT(suspend_mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(machine_sleep_from_suspend),
+ self);
+ }
+
+ if (can_hibernate && allow_hibernate) {
+ hibernate_mi = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (hibernate_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Hibernate"));
+ dbusmenu_menuitem_child_append(self->root_item, hibernate_mi);
+ g_signal_connect (G_OBJECT(hibernate_mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(machine_sleep_from_hibernate), self);
+ }
+
+ restart_mi = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (restart_mi,
+ DBUSMENU_MENUITEM_PROP_TYPE,
+ RESTART_ITEM_TYPE);
+ if (supress_confirmations()) {
+ dbusmenu_menuitem_property_set (restart_mi,
+ RESTART_ITEM_LABEL,
+ _("Restart"));
+ } else {
+ dbusmenu_menuitem_property_set (restart_mi,
+ RESTART_ITEM_LABEL,
+ _("Restart\342\200\246"));
+ }
+ dbusmenu_menuitem_property_set_bool (restart_mi,
+ DBUSMENU_MENUITEM_PROP_VISIBLE,
+ show_restart());
+ dbusmenu_menuitem_child_append(self->root_item, restart_mi);
+ g_signal_connect (G_OBJECT(restart_mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(show_dialog), "restart");
+
+ shutdown_mi = dbusmenu_menuitem_new();
+ if (supress_confirmations()) {
+ dbusmenu_menuitem_property_set (shutdown_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Shut Down"));
+ } else {
+ dbusmenu_menuitem_property_set (shutdown_mi,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Shut Down\342\200\246"));
+ }
+ dbusmenu_menuitem_property_set_bool (shutdown_mi,
+ DBUSMENU_MENUITEM_PROP_VISIBLE,
+ show_shutdown());
+ dbusmenu_menuitem_child_append (self->root_item, shutdown_mi);
+ g_signal_connect (G_OBJECT(shutdown_mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK(show_dialog), "shutdown");
+
+ RestartShutdownLogoutMenuItems * restart_shutdown_logout_mi = g_new0 (RestartShutdownLogoutMenuItems, 1);
+ restart_shutdown_logout_mi->logout_mi = logout_mi;
+ restart_shutdown_logout_mi->restart_mi = restart_mi;
+ restart_shutdown_logout_mi->shutdown_mi = shutdown_mi;
+
+ update_menu_entries(restart_shutdown_logout_mi);
+
+ return;
+}
+
+/* When the directory changes we need to figure out how our menu
+ item should look. */
+static void
+restart_dir_changed (gpointer userdata)
+{
+ DeviceMenuMgr* self = DEVICE_MENU_MGR (userdata);
+ gboolean restart_required = g_file_test("/var/run/reboot-required", G_FILE_TEST_EXISTS);
+
+ if (restart_required) {
+ if (supress_confirmations()) {
+ dbusmenu_menuitem_property_set (restart_mi,
+ RESTART_ITEM_LABEL,
+ _("Restart to Complete Update"));
+ } else {
+ dbusmenu_menuitem_property_set (restart_mi,
+ RESTART_ITEM_LABEL,
+ _("Restart to Complete Update\342\200\246"));
+ }
+ dbusmenu_menuitem_property_set (restart_mi,
+ RESTART_ITEM_ICON,
+ "system-restart-panel");
+ if (self->session_dbus_interface != NULL) {
+ session_dbus_set_name (self->session_dbus_interface, ICON_RESTART);
+ }
+ } else {
+ if (supress_confirmations()) {
+ dbusmenu_menuitem_property_set(restart_mi, RESTART_ITEM_LABEL, _("Restart"));
+ } else {
+ dbusmenu_menuitem_property_set(restart_mi, RESTART_ITEM_LABEL, _("Restart\342\200\246"));
+ }
+ dbusmenu_menuitem_property_remove(restart_mi, RESTART_ITEM_ICON);
+ if (self->session_dbus_interface != NULL) {
+ session_dbus_set_name(self->session_dbus_interface, ICON_DEFAULT);
+ }
+ }
+ return;
+}
+
+/* Buids a file watcher for the directory so that when it
+ changes we can check to see if our reboot-required is
+ there. */
+static void
+setup_restart_watch (DeviceMenuMgr* self)
+{
+ GFile * filedir = g_file_new_for_path("/var/run");
+ GFileMonitor * filemon = g_file_monitor_directory(filedir, G_FILE_MONITOR_NONE, NULL, NULL);
+ if (filemon != NULL) {
+ g_signal_connect (G_OBJECT(filemon),
+ "changed",
+ G_CALLBACK(restart_dir_changed),
+ self);
+ }
+ restart_dir_changed(self);
+ return;
+}
+
+/* Ensures that we have a GConf client and if we build one
+ set up the signal handler. */
+static void
+device_menu_mgr_ensure_gconf_client (DeviceMenuMgr* self)
+{
+ if (!gconf_client) {
+ gconf_client = gconf_client_get_default ();
+
+ gconf_client_add_dir(gconf_client, LOCKDOWN_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+ gconf_client_notify_add (gconf_client,
+ LOCKDOWN_DIR,
+ lockdown_changed,
+ self,
+ NULL,
+ NULL);
+
+ gconf_client_add_dir(gconf_client, KEYBINDING_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+ gconf_client_notify_add (gconf_client,
+ KEYBINDING_DIR,
+ keybinding_changed,
+ self,
+ NULL,
+ NULL);
+ }
+}
+
+DbusmenuMenuitem*
+device_mgr_get_root_item (DeviceMenuMgr* self)
+{
+ return self->root_item;
+}
+
+/*
+ * Clean Entry Point
+ */
+DeviceMenuMgr* device_menu_mgr_new (SessionDbus* session_dbus)
+{
+ DeviceMenuMgr* device_mgr = g_object_new (DEVICE_TYPE_MENU_MGR, NULL);
+ device_mgr->session_dbus_interface = session_dbus;
+ device_menu_mgr_rebuild_items (device_mgr);
+ return device_mgr;
+}