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loginDialog: Reconsider user for user list when user changes

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Generally a user-changed operation will be uninteresting, but if the
user is currently in the user list and the account changes to locked, we
want to remove it from the list, or if the user is not in the list and
the account changed to unlocked, we want to add it to the list. This
fixes the case where a new user account created in gnome-control-center
does not appear in the user list. The password mode is set in the new
account immediately after it is created, but the operations are not
atomic, so the login dialog considers the new user account when it is
still locked and rejects it from being displayed, then immediately
afterwards the account is unlocked. This commit causes the login dialog
to show the account when this occurs.

The containsUser() check here is not strictly necessary, but reduces
spurious calls to addUser() and removeUser(), since there's no easy way
to check if the locked status of the account has changed (as it's much
easier to connect to one signal on the UserManager than to
notify::locked on each User object).

https://bugzilla.gnome.org/show_bug.cgi?id=758568
This commit is contained in:
Michael Catanzaro 2015-11-23 18:24:19 -06:00
parent 491e511a96
commit 3001f3376c
1 changed files with 16 additions and 0 deletions
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16
js/gdm/loginDialog.js
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@ -212,6 +212,10 @@ const UserList = new Lang.Class({
return item;
},
containsUser: function(user) {
return this._items[user.get_user_name()] != null;
},
addUser: function(user) {
if (!user.is_loaded)
return;
@ -1126,6 +1130,10 @@ const LoginDialog = new Lang.Class({
this._userManager.disconnect(this._userRemovedId);
this._userRemovedId = 0;
}
if (this._userChangedId) {
this._userManager.disconnect(this._userChangedId);
this._userChangedId = 0;
}
this._textureCache.disconnect(this._updateLogoTextureId);
Main.layoutManager.disconnect(this._startupCompleteId);
if (this._settings) {
@ -1172,6 +1180,14 @@ const LoginDialog = new Lang.Class({
this._userList.removeUser(user);
}));
this._userChangedId = this._userManager.connect('user-changed',
Lang.bind(this, function(userManager, user) {
if (this._userList.containsUser(user) && user.locked)
this._userList.removeUser(user);
else if (!this._userList.containsUser(user) && !user.locked)
this._userList.addUser(user);
}));
return GLib.SOURCE_REMOVE;
},