gnome-shell/js/misc/loginManager.js
Ray Strode 609a31ea46 loginManager: fix versionCompare function
It's important to compare the version components as integers,
not strings, so "10" evaulates as greater than "5"

This fixes the login screen in gnome 3.10.

https://bugzilla.gnome.org/show_bug.cgi?id=708691
2013-09-24 14:22:09 -04:00

249 lines
8.2 KiB
JavaScript

// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const SystemdLoginManagerIface = <interface name='org.freedesktop.login1.Manager'>
<method name='Suspend'>
<arg type='b' direction='in'/>
</method>
<method name='CanSuspend'>
<arg type='s' direction='out'/>
</method>
<method name='Inhibit'>
<arg type='s' direction='in'/>
<arg type='s' direction='in'/>
<arg type='s' direction='in'/>
<arg type='s' direction='in'/>
<arg type='h' direction='out'/>
</method>
<method name='GetSession'>
<arg type='s' direction='in'/>
<arg type='o' direction='out'/>
</method>
<method name='ListSessions'>
<arg name='sessions' type='a(susso)' direction='out'/>
</method>
<signal name='PrepareForSleep'>
<arg type='b' direction='out'/>
</signal>
</interface>;
const SystemdLoginSessionIface = <interface name='org.freedesktop.login1.Session'>
<signal name='Lock' />
<signal name='Unlock' />
</interface>;
const SystemdLoginManager = Gio.DBusProxy.makeProxyWrapper(SystemdLoginManagerIface);
const SystemdLoginSession = Gio.DBusProxy.makeProxyWrapper(SystemdLoginSessionIface);
const ConsoleKitManagerIface = <interface name='org.freedesktop.ConsoleKit.Manager'>
<method name='CanRestart'>
<arg type='b' direction='out'/>
</method>
<method name='CanStop'>
<arg type='b' direction='out'/>
</method>
<method name='Restart' />
<method name='Stop' />
<method name='GetCurrentSession'>
<arg type='o' direction='out' />
</method>
</interface>;
const ConsoleKitSessionIface = <interface name='org.freedesktop.ConsoleKit.Session'>
<signal name='Lock' />
<signal name='Unlock' />
</interface>;
const ConsoleKitSession = Gio.DBusProxy.makeProxyWrapper(ConsoleKitSessionIface);
const ConsoleKitManager = Gio.DBusProxy.makeProxyWrapper(ConsoleKitManagerIface);
function haveSystemd() {
return GLib.access("/run/systemd/seats", 0) >= 0;
}
function versionCompare(required, reference) {
required = required.split('.');
reference = reference.split('.');
for (let i = 0; i < required.length; i++) {
let requiredInt = parseInt(required[i]);
let referenceInt = parseInt(reference[i]);
if (requiredInt != referenceInt)
return requiredInt < referenceInt;
}
return true;
}
function canLock() {
try {
let params = GLib.Variant.new('(ss)', ['org.gnome.DisplayManager.Manager', 'Version']);
let result = Gio.DBus.system.call_sync('org.gnome.DisplayManager',
'/org/gnome/DisplayManager/Manager',
'org.freedesktop.DBus.Properties',
'Get', params, null,
Gio.DBusCallFlags.NONE,
-1, null);
let version = result.deep_unpack()[0].deep_unpack();
return versionCompare('3.5.91', version);
} catch(e) {
return false;
}
}
let _loginManager = null;
/**
* LoginManager:
* An abstraction over systemd/logind and ConsoleKit.
*
*/
function getLoginManager() {
if (_loginManager == null) {
if (haveSystemd())
_loginManager = new LoginManagerSystemd();
else
_loginManager = new LoginManagerConsoleKit();
}
return _loginManager;
}
const LoginManagerSystemd = new Lang.Class({
Name: 'LoginManagerSystemd',
_init: function() {
this._proxy = new SystemdLoginManager(Gio.DBus.system,
'org.freedesktop.login1',
'/org/freedesktop/login1');
this._proxy.connectSignal('PrepareForSleep',
Lang.bind(this, this._prepareForSleep));
},
// Having this function is a bit of a hack since the Systemd and ConsoleKit
// session objects have different interfaces - but in both cases there are
// Lock/Unlock signals, and that's all we count upon at the moment.
getCurrentSessionProxy: function(callback) {
if (this._currentSession) {
callback (this._currentSession);
return;
}
this._proxy.GetSessionRemote(GLib.getenv('XDG_SESSION_ID'), Lang.bind(this,
function(result, error) {
if (error) {
logError(error, 'Could not get a proxy for the current session');
} else {
this._currentSession = new SystemdLoginSession(Gio.DBus.system,
'org.freedesktop.login1',
result[0]);
callback(this._currentSession);
}
}));
},
canSuspend: function(asyncCallback) {
this._proxy.CanSuspendRemote(function(result, error) {
if (error)
asyncCallback(false);
else
asyncCallback(result[0] != 'no');
});
},
listSessions: function(asyncCallback) {
this._proxy.ListSessionsRemote(function(result, error) {
if (error)
asyncCallback([]);
else
asyncCallback(result[0]);
});
},
suspend: function() {
this._proxy.SuspendRemote(true);
},
inhibit: function(reason, callback) {
let inVariant = GLib.Variant.new('(ssss)',
['sleep',
'GNOME Shell',
reason,
'delay']);
this._proxy.call_with_unix_fd_list('Inhibit', inVariant, 0, -1, null, null,
Lang.bind(this, function(proxy, result) {
let fd = -1;
try {
let [outVariant, fdList] = proxy.call_with_unix_fd_list_finish(result);
fd = fdList.steal_fds(outVariant.deep_unpack())[0];
callback(new Gio.UnixInputStream({ fd: fd }));
} catch(e) {
logError(e, "Error getting systemd inhibitor");
callback(null);
}
}));
},
_prepareForSleep: function(proxy, sender, [aboutToSuspend]) {
this.emit('prepare-for-sleep', aboutToSuspend);
}
});
Signals.addSignalMethods(LoginManagerSystemd.prototype);
const LoginManagerConsoleKit = new Lang.Class({
Name: 'LoginManagerConsoleKit',
_init: function() {
this._proxy = new ConsoleKitManager(Gio.DBus.system,
'org.freedesktop.ConsoleKit',
'/org/freedesktop/ConsoleKit/Manager');
},
// Having this function is a bit of a hack since the Systemd and ConsoleKit
// session objects have different interfaces - but in both cases there are
// Lock/Unlock signals, and that's all we count upon at the moment.
getCurrentSessionProxy: function(callback) {
if (this._currentSession) {
callback (this._currentSession);
return;
}
this._proxy.GetCurrentSessionRemote(Lang.bind(this,
function(result, error) {
if (error) {
logError(error, 'Could not get a proxy for the current session');
} else {
this._currentSession = new ConsoleKitSession(Gio.DBus.system,
'org.freedesktop.ConsoleKit',
result[0]);
callback(this._currentSession);
}
}));
},
canSuspend: function(asyncCallback) {
asyncCallback(false);
},
listSessions: function(asyncCallback) {
asyncCallback([]);
},
suspend: function() {
this.emit('prepare-for-sleep', true);
this.emit('prepare-for-sleep', false);
},
inhibit: function(reason, callback) {
callback(null);
}
});
Signals.addSignalMethods(LoginManagerConsoleKit.prototype);