user-status: Hide "Power off" option if shutdown is disabled

Due to lockdown settings or Polkit policy, shutdown may not be
available. If this is the case, the "Power off ..." action should
be hidden from the user status menu.

https://bugzilla.gnome.org/show_bug.cgi?id=652038
This commit is contained in:
Florian Müllner 2011-06-04 00:10:55 +02:00
parent ed8acefc00
commit 6b2b3475c8
2 changed files with 51 additions and 5 deletions

View File

@ -109,7 +109,8 @@ const SessionManagerIface = {
name: 'org.gnome.SessionManager',
methods: [
{ name: 'Logout', inSignature: 'u', outSignature: '' },
{ name: 'Shutdown', inSignature: '', outSignature: '' }
{ name: 'Shutdown', inSignature: '', outSignature: '' },
{ name: 'CanShutdown', inSignature: '', outSignature: 'b' }
]
};

View File

@ -58,6 +58,7 @@ StatusMenuButton.prototype = {
this._presence = new GnomeSession.Presence();
this._presenceItems = {};
this._session = new GnomeSession.SessionManager();
this._haveShutdown = true;
this._account_mgr = Tp.AccountManager.dup()
@ -90,12 +91,25 @@ StatusMenuButton.prototype = {
Lang.bind(this, this._updateSwitchUser));
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
Lang.bind(this, this._updateLogout));
this._lockdownSettings.connect('changed::' + DISABLE_LOCK_SCREEN_KEY,
Lang.bind(this, this._updateLockScreen));
this._updateSwitchUser();
this._updateLogout();
this._updateLockScreen();
// Whether shutdown is available or not depends on both lockdown
// settings (disable-log-out) and Polkit policy - the latter doesn't
// notify, so we update the menu item each time the menu opens or
// the lockdown setting changes, which should be close enough.
this.menu.connect('open-state-changed', Lang.bind(this,
function(menu, open) {
if (open)
this._updateHaveShutdown();
}));
this._lockdownSettings.connect('changed::' + DISABLE_LOG_OUT_KEY,
Lang.bind(this, this._updateHaveShutdown));
this._upClient.connect('notify::can-suspend', Lang.bind(this, this._updateSuspendOrPowerOff));
},
@ -112,13 +126,25 @@ StatusMenuButton.prototype = {
},
_updateSessionSeparator: function() {
let showSeparator = this._loginScreenItem.actor.visible ||
this._logoutItem.actor.visible ||
this._lockScreenItem.actor.visible;
if (showSeparator)
let sessionItemsVisible = this._loginScreenItem.actor.visible ||
this._logoutItem.actor.visible ||
this._lockScreenItem.actor.visible;
let showSessionSeparator = sessionItemsVisible &&
this._suspendOrPowerOffItem.actor.visible;
let showSettingsSeparator = sessionItemsVisible ||
this._suspendOrPowerOffItem.actor.visible;
if (showSessionSeparator)
this._sessionSeparator.actor.show();
else
this._sessionSeparator.actor.hide();
if (showSettingsSeparator)
this._settingsSeparator.actor.show();
else
this._settingsSeparator.actor.hide();
},
_updateSwitchUser: function() {
@ -148,16 +174,34 @@ StatusMenuButton.prototype = {
this._updateSessionSeparator();
},
_updateHaveShutdown: function() {
this._session.CanShutdownRemote(Lang.bind(this,
function(result, error) {
if (!error) {
this._haveShutdown = result;
this._updateSuspendOrPowerOff();
}
}));
},
_updateSuspendOrPowerOff: function() {
this._haveSuspend = this._upClient.get_can_suspend();
if (!this._suspendOrPowerOffItem)
return;
if (!this._haveShutdown && !this._haveSuspend)
this._suspendOrPowerOffItem.actor.hide();
else
this._suspendOrPowerOffItem.actor.show();
this._updateSessionSeparator();
// If we can't suspend show Power Off... instead
// and disable the alt key
if (!this._haveSuspend) {
this._suspendOrPowerOffItem.updateText(_("Power Off..."), null);
} else if (!this._haveShutdown) {
this._suspendOrPowerOffItem.updateText(_("Suspend"), null);
} else {
this._suspendOrPowerOffItem.updateText(_("Suspend"), _("Power Off..."));
}
@ -203,6 +247,7 @@ StatusMenuButton.prototype = {
item = new PopupMenu.PopupSeparatorMenuItem();
this.menu.addMenuItem(item);
this._settingsSeparator = item;
item = new PopupMenu.PopupMenuItem(_("Lock Screen"));
item.connect('activate', Lang.bind(this, this._onLockScreenActivate));