238 lines
7.4 KiB
Diff
238 lines
7.4 KiB
Diff
From 592bf9b4ba879a365375a7edcb6c48258386e413 Mon Sep 17 00:00:00 2001
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From: Ray Strode <rstrode@redhat.com>
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Date: Tue, 18 Jul 2017 12:58:14 -0400
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Subject: [PATCH 1/2] gdm: add AuthList control
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Ultimately, we want to add support for GDM's new ChoiceList
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PAM extension. That extension allows PAM modules to present
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a list of choices to the user. Before we can support that
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extension, however, we need to have a list control in the
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login-screen/unlock screen. This commit adds that control.
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For the most part, it's a copy-and-paste of the gdm userlist,
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but with less features. It lacks API specific to the users,
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lacks the built in timed login indicator, etc. It does feature
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a label heading.
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---
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js/gdm/authList.js | 195 ++++++++++++++++++++++++++++++++++
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js/js-resources.gresource.xml | 1 +
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2 files changed, 196 insertions(+)
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create mode 100644 js/gdm/authList.js
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diff --git a/js/gdm/authList.js b/js/gdm/authList.js
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new file mode 100644
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index 000000000..fc1c3d6e4
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--- /dev/null
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+++ b/js/gdm/authList.js
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@@ -0,0 +1,195 @@
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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+/*
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+ * Copyright 2017 Red Hat, Inc
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2, or (at your option)
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+ * any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+const Clutter = imports.gi.Clutter;
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+const GObject = imports.gi.GObject;
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+const Gtk = imports.gi.Gtk;
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+const Lang = imports.lang;
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+const Meta = imports.gi.Meta;
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+const Signals = imports.signals;
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+const St = imports.gi.St;
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+
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+const Tweener = imports.ui.tweener;
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+
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+const _SCROLL_ANIMATION_TIME = 0.5;
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+
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+const AuthListItem = new Lang.Class({
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+ Name: 'AuthListItem',
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+
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+ _init(key, text) {
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+ this.key = key;
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+ let label = new St.Label({ style_class: 'auth-list-item-label',
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+ y_align: Clutter.ActorAlign.CENTER });
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+ label.text = text;
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+
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+ this.actor = new St.Button({ style_class: 'login-dialog-user-list-item',
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+ button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
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+ can_focus: true,
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+ child: label,
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+ reactive: true,
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+ x_align: St.Align.START,
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+ x_fill: true });
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+
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+ this.actor.connect('key-focus-in', () => {
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+ this._setSelected(true);
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+ });
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+ this.actor.connect('key-focus-out', () => {
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+ this._setSelected(false);
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+ });
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+ this.actor.connect('notify::hover', () => {
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+ this._setSelected(this.actor.hover);
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+ });
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+
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+ this.actor.connect('clicked', this._onClicked.bind(this));
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+ },
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+
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+ _onClicked() {
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+ this.emit('activate');
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+ },
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+
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+ _setSelected(selected) {
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+ if (selected) {
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+ this.actor.add_style_pseudo_class('selected');
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+ this.actor.grab_key_focus();
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+ } else {
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+ this.actor.remove_style_pseudo_class('selected');
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+ }
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+ }
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+});
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+Signals.addSignalMethods(AuthListItem.prototype);
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+
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+var AuthList = new Lang.Class({
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+ Name: 'AuthList',
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+
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+ _init() {
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+ this.actor = new St.BoxLayout({ vertical: true,
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+ style_class: 'login-dialog-auth-list-layout' });
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+
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+ this.label = new St.Label({ style_class: 'prompt-dialog-headline' });
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+ this.actor.add_actor(this.label);
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+
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+ this._scrollView = new St.ScrollView({ style_class: 'login-dialog-user-list-view'});
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+ this._scrollView.set_policy(Gtk.PolicyType.NEVER,
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+ Gtk.PolicyType.AUTOMATIC);
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+ this.actor.add_actor(this._scrollView);
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+
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+ this._box = new St.BoxLayout({ vertical: true,
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+ style_class: 'login-dialog-user-list',
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+ pseudo_class: 'expanded' });
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+
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+ this._scrollView.add_actor(this._box);
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+ this._items = {};
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+
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+ this.actor.connect('key-focus-in', this._moveFocusToItems.bind(this));
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+ },
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+
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+ _moveFocusToItems() {
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+ let hasItems = Object.keys(this._items).length > 0;
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+
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+ if (!hasItems)
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+ return;
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+
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+ if (global.stage.get_key_focus() != this.actor)
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+ return;
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+
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+ let focusSet = this.actor.navigate_focus(null, Gtk.DirectionType.TAB_FORWARD, false);
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+ if (!focusSet) {
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+ Meta.later_add(Meta.LaterType.BEFORE_REDRAW, () => {
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+ this._moveFocusToItems();
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+ return false;
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+ });
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+ }
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+ },
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+
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+ _onItemActivated(activatedItem) {
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+ this.emit('activate', activatedItem.key);
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+ },
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+
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+ scrollToItem(item) {
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+ let box = item.actor.get_allocation_box();
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+
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+ let adjustment = this._scrollView.get_vscroll_bar().get_adjustment();
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+
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+ let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
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+ Tweener.removeTweens(adjustment);
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+ Tweener.addTween (adjustment,
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+ { value: value,
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+ time: _SCROLL_ANIMATION_TIME,
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+ transition: 'easeOutQuad' });
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+ },
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+
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+ jumpToItem(item) {
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+ let box = item.actor.get_allocation_box();
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+
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+ let adjustment = this._scrollView.get_vscroll_bar().get_adjustment();
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+
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+ let value = (box.y1 + adjustment.step_increment / 2.0) - (adjustment.page_size / 2.0);
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+
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+ adjustment.set_value(value);
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+ },
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+
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+ getItem(key) {
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+ let item = this._items[key];
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+
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+ if (!item)
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+ return null;
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+
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+ return item;
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+ },
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+
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+ addItem(key, text) {
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+ this.removeItem(key);
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+
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+ let item = new AuthListItem(key, text);
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+ this._box.add(item.actor, { x_fill: true });
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+
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+ this._items[key] = item;
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+
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+ item.connect('activate',
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+ this._onItemActivated.bind(this));
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+
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+ // Try to keep the focused item front-and-center
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+ item.actor.connect('key-focus-in',
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+ () => { this.scrollToItem(item); });
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+
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+ this._moveFocusToItems();
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+
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+ this.emit('item-added', item);
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+ },
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+
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+ removeItem(key) {
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+ let item = this._items[key];
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+
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+ if (!item)
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+ return;
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+
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+ item.actor.destroy();
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+ delete this._items[key];
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+ },
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+
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+ numItems() {
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+ return Object.keys(this._items).length;
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+ },
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+
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+ clear() {
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+ this.label.text = "";
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+ this._box.destroy_all_children();
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+ this._items = {};
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+ }
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+});
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+Signals.addSignalMethods(AuthList.prototype);
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diff --git a/js/js-resources.gresource.xml b/js/js-resources.gresource.xml
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index 836d1c674..002b202f8 100644
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--- a/js/js-resources.gresource.xml
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+++ b/js/js-resources.gresource.xml
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@@ -1,6 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<gresources>
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<gresource prefix="/org/gnome/shell">
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+ <file>gdm/authList.js</file>
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<file>gdm/authPrompt.js</file>
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<file>gdm/batch.js</file>
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<file>gdm/fingerprint.js</file>
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--
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2.21.0
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