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Allow the shell to run without the screenshield

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The screenshield requires gdm 3.5, which can be problematic in
jhbuild configurations, or distributions that don't use GDM as the display
manager. Allow transparent fallback to gnome-screensaver in that case.

https://bugzilla.gnome.org/show_bug.cgi?id=683060
This commit is contained in:
Giovanni Campagna
2012-07-08 17:42:15 +02:00
parent 6ef3c628e6
commit de93677271
5 changed files with 105 additions and 14 deletions
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60
js/ui/screenShield.js
View File

@ -19,6 +19,7 @@ const Lightbox = imports.ui.lightbox;
const Main = imports.ui.main;
const Overview = imports.ui.overview;
const MessageTray = imports.ui.messageTray;
const ShellDBus = imports.ui.shellDBus;
const Tweener = imports.ui.tweener;
const SCREENSAVER_SCHEMA = 'org.gnome.desktop.screensaver';
@ -415,6 +416,8 @@ const ScreenShield = new Lang.Class({
this._onStatusChanged(status);
}));
this._screenSaverDBus = new ShellDBus.ScreenSaverDBus(this);
this._loginManager = LoginManager.getLoginManager();
this._loginSession = this._loginManager.getCurrentSessionProxy();
this._loginSession.connectSignal('Lock', Lang.bind(this, function() { this.lock(false); }));
@ -827,3 +830,60 @@ const ScreenShield = new Lang.Class({
},
});
Signals.addSignalMethods(ScreenShield.prototype);
/* Fallback code to handle session locking using gnome-screensaver,
in case the required GDM dependency is not there
*/
const ScreenShieldFallback = new Lang.Class({
Name: 'ScreenShieldFallback',
_init: function() {
this._proxy = new Gio.DBusProxy({ g_connection: Gio.DBus.session,
g_name: 'org.gnome.ScreenSaver',
g_object_path: '/org/gnome/ScreenSaver',
g_interface_name: 'org.gnome.ScreenSaver',
g_flags: (Gio.DBusProxyFlags.DO_NOT_AUTO_START |
Gio.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES),
});
this._proxy.init(null);
this._proxy.connect('g-signal', Lang.bind(this, this._onSignal));
this._proxy.connect('notify::g-name-owner', Lang.bind(this, this._onNameOwnerChanged));
},
_onNameOwnerChanged: function(object, pspec) {
if (this._proxy.g_name_owner)
[this._locked] = this._proxy.call_sync('GetActive', null,
Gio.DBusCallFlags.NONE, -1, null).deep_unpack();
else
this._locked = false;
this.emit('lock-status-changed', this._locked);
},
_onSignal: function(proxy, senderName, signalName, params) {
if (signalName == 'ActiveChanged') {
[this._locked] = params.deep_unpack();
this.emit('lock-status-changed', this._locked);
}
},
get locked() {
return this._locked;
},
lock: function() {
this._proxy.call('Lock', null, Gio.DBusCallFlags.NONE, -1, null,
Lang.bind(this, function(proxy, result) {
proxy.call_finish(result);
this.emit('lock-screen-shown');
}));
},
unlock: function() {
this._proxy.call('SetActive', GLib.Variant.new('(b)', false),
Gio.DBusCallFlags.NONE, -1, null, null);
},
});
Signals.addSignalMethods(ScreenShieldFallback.prototype);