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Try to do more async initialization

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Synchronous calls in the main loop are a performance killer, especially
at login.
This commit is contained in:
Giovanni Campagna
2012-10-26 19:19:03 +02:00
parent a6b4d68a1d
commit afcc1b7b52
11 changed files with 273 additions and 64 deletions
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26
js/gdm/powerMenu.js
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@ -35,7 +35,13 @@ const PowerMenuButton = new Lang.Class({
/* Translators: accessible name of the power menu in the login screen */
this.parent('system-shutdown-symbolic', _("Power"));
this._loginManager = LoginManager.getLoginManager();
LoginManager.getLoginManager(Lang.bind(this, function(manager) {
this._loginManager = manager;
this._updateHaveShutdown();
this._updateHaveRestart();
this._updateHaveSuspend();
}));
this._settings = new Gio.Settings({ schema: GdmUtil.LOGIN_SCREEN_SCHEMA });
this._settings.connect('changed::disable-restart-buttons',
@ -64,6 +70,12 @@ const PowerMenuButton = new Lang.Class({
},
_updateHaveShutdown: function() {
if (!this._loginManager) {
this._haveShutdown = false;
this._powerOffItem.actor.visible = false;
return;
}
this._loginManager.canPowerOff(Lang.bind(this, function(result) {
this._haveShutdown = result;
this._powerOffItem.actor.visible = this._haveShutdown;
@ -72,6 +84,12 @@ const PowerMenuButton = new Lang.Class({
},
_updateHaveRestart: function() {
if (!this._loginManager) {
this._haveRestart = false;
this._restartItem.actor.visible = false;
return;
}
this._loginManager.canReboot(Lang.bind(this, function(result) {
this._haveRestart = result;
this._restartItem.actor.visible = this._haveRestart;
@ -80,6 +98,12 @@ const PowerMenuButton = new Lang.Class({
},
_updateHaveSuspend: function() {
if (!this._loginManager) {
this._haveSuspend = false;
this._suspendItem.actor.visible = false;
return;
}
this._loginManager.canSuspend(Lang.bind(this, function(result) {
this._haveSuspend = result;
this._suspendItem.actor.visible = this._haveSuspend;