16fba7bd5f
We currently emit "failed" any time the UserVerifier is reset, and user verification didn't succeed prior. A more conceptually clear time to emit "failed" would be if the UserVerifier is reset and user verification failed prior, and to emit "failed" if the user cancels unlock. This commit restructures things to do that. Aside from being more conceptually clear, it also lays the groundwork for us to be able to reset the unlock screen without failing. https://bugzilla.gnome.org/show_bug.cgi?id=683437
470 lines
16 KiB
JavaScript
470 lines
16 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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const Clutter = imports.gi.Clutter;
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const Lang = imports.lang;
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const Signals = imports.signals;
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const St = imports.gi.St;
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const Animation = imports.ui.animation;
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const Batch = imports.gdm.batch;
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const GdmUtil = imports.gdm.util;
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const Params = imports.misc.params;
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const ShellEntry = imports.ui.shellEntry;
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const Tweener = imports.ui.tweener;
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const UserWidget = imports.ui.userWidget;
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const DEFAULT_BUTTON_WELL_ICON_SIZE = 24;
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const DEFAULT_BUTTON_WELL_ANIMATION_DELAY = 1.0;
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const DEFAULT_BUTTON_WELL_ANIMATION_TIME = 0.3;
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const MESSAGE_FADE_OUT_ANIMATION_TIME = 0.5;
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const AuthPromptMode = {
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UNLOCK_ONLY: 0,
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UNLOCK_OR_LOG_IN: 1
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};
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const AuthPromptStatus = {
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NOT_VERIFYING: 0,
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VERIFYING: 1,
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VERIFICATION_FAILED: 2,
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VERIFICATION_SUCCEEDED: 3
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};
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const AuthPrompt = new Lang.Class({
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Name: 'AuthPrompt',
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_init: function(gdmClient, mode) {
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this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
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this._gdmClient = gdmClient;
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this._mode = mode;
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let reauthenticationOnly;
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if (this._mode == AuthPromptMode.UNLOCK_ONLY)
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reauthenticationOnly = true;
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else if (this._mode == AuthPromptMode.UNLOCK_OR_LOG_IN)
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reauthenticationOnly = false;
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this._userVerifier = new GdmUtil.ShellUserVerifier(this._gdmClient, { reauthenticationOnly: reauthenticationOnly });
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this._userVerifier.connect('ask-question', Lang.bind(this, this._onAskQuestion));
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this._userVerifier.connect('show-message', Lang.bind(this, this._onShowMessage));
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this._userVerifier.connect('verification-failed', Lang.bind(this, this._onVerificationFailed));
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this._userVerifier.connect('verification-complete', Lang.bind(this, this._onVerificationComplete));
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this._userVerifier.connect('reset', Lang.bind(this, this._onReset));
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this._userVerifier.connect('show-login-hint', Lang.bind(this, this._onShowLoginHint));
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this._userVerifier.connect('hide-login-hint', Lang.bind(this, this._onHideLoginHint));
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this.connect('next', Lang.bind(this, function() {
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this.updateSensitivity(false);
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this.startSpinning();
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if (this._queryingService) {
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this._userVerifier.answerQuery(this._queryingService, this._entry.text);
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} else {
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this._preemptiveAnswer = this._entry.text;
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}
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}));
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this.actor = new St.BoxLayout({ style_class: 'login-dialog-prompt-layout',
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vertical: true });
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this.actor.connect('destroy', Lang.bind(this, this._onDestroy));
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this.actor.connect('key-press-event',
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Lang.bind(this, function(actor, event) {
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if (event.get_key_symbol() == Clutter.KEY_Escape) {
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this.cancel();
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}
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}));
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this._userWell = new St.Bin({ x_fill: true,
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x_align: St.Align.START });
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this.actor.add(this._userWell,
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{ x_align: St.Align.START,
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x_fill: true,
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y_fill: true,
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expand: true });
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this._label = new St.Label({ style_class: 'login-dialog-prompt-label' });
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this.actor.add(this._label,
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{ expand: true,
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x_fill: true,
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y_fill: true,
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x_align: St.Align.START });
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this._entry = new St.Entry({ style_class: 'login-dialog-prompt-entry',
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can_focus: true });
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ShellEntry.addContextMenu(this._entry, { isPassword: true });
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this.actor.add(this._entry,
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{ expand: true,
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x_fill: true,
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y_fill: false,
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x_align: St.Align.START });
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this._entry.grab_key_focus();
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this._message = new St.Label({ opacity: 0 });
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this._message.clutter_text.line_wrap = true;
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this.actor.add(this._message, { x_fill: true });
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this._loginHint = new St.Label({ style_class: 'login-dialog-prompt-login-hint-message' });
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this.actor.add(this._loginHint);
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this._buttonBox = new St.BoxLayout({ style_class: 'login-dialog-button-box',
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vertical: false });
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this.actor.add(this._buttonBox,
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{ expand: true,
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x_align: St.Align.MIDDLE,
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y_align: St.Align.END });
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this._defaultButtonWell = new St.Widget();
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this._defaultButtonWellActor = null;
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this._initButtons();
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let spinnerIcon = global.datadir + '/theme/process-working.svg';
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this._spinner = new Animation.AnimatedIcon(spinnerIcon, DEFAULT_BUTTON_WELL_ICON_SIZE);
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this._spinner.actor.opacity = 0;
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this._spinner.actor.show();
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this._defaultButtonWell.add_child(this._spinner.actor);
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},
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_onDestroy: function() {
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this._userVerifier.clear();
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this._userVerifier.disconnectAll();
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this._userVerifier = null;
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},
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_initButtons: function() {
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this.cancelButton = new St.Button({ style_class: 'modal-dialog-button',
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button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
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reactive: true,
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can_focus: true,
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label: _("Cancel") });
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this.cancelButton.connect('clicked',
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Lang.bind(this, function() {
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this.cancel();
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}));
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this._buttonBox.add(this.cancelButton,
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{ expand: false,
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x_fill: false,
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y_fill: false,
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x_align: St.Align.START,
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y_align: St.Align.END });
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this._buttonBox.add(this._defaultButtonWell,
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{ expand: true,
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x_fill: false,
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y_fill: false,
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x_align: St.Align.END,
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y_align: St.Align.MIDDLE });
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this.nextButton = new St.Button({ style_class: 'modal-dialog-button',
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button_mask: St.ButtonMask.ONE | St.ButtonMask.THREE,
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reactive: true,
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can_focus: true,
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label: _("Next") });
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this.nextButton.connect('clicked',
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Lang.bind(this, function() {
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this.emit('next');
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}));
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this.nextButton.add_style_pseudo_class('default');
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this._buttonBox.add(this.nextButton,
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{ expand: false,
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x_fill: false,
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y_fill: false,
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x_align: St.Align.END,
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y_align: St.Align.END });
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this._updateNextButtonSensitivity(this._entry.text.length > 0);
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this._entry.clutter_text.connect('text-changed',
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Lang.bind(this, function() {
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if (!this._userVerifier.hasPendingMessages)
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this._fadeOutMessage();
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this._updateNextButtonSensitivity(this._entry.text.length > 0);
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}));
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this._entry.clutter_text.connect('activate', Lang.bind(this, function() {
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this.emit('next');
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}));
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},
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_onAskQuestion: function(verifier, serviceName, question, passwordChar) {
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if (this._preemptiveAnswer) {
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this._userVerifier.answerQuery(this._queryingService, this._preemptiveAnswer);
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this._preemptiveAnswer = null;
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return;
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}
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if (this._queryingService)
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this.clear();
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this._queryingService = serviceName;
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this.setPasswordChar(passwordChar);
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this.setQuestion(question);
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if (passwordChar) {
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if (this._userVerifier.reauthenticating)
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this.nextButton.label = _("Unlock");
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else
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this.nextButton.label = C_("button", "Sign In");
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} else {
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this.nextButton.label = _("Next");
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}
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this.updateSensitivity(true);
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this.emit('prompted');
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},
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_onShowMessage: function(userVerifier, message, styleClass) {
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this.setMessage(message, styleClass);
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},
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_onVerificationFailed: function() {
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this.clear();
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this.updateSensitivity(true);
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this.setActorInDefaultButtonWell(null);
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this.verificationStatus = AuthPromptStatus.VERIFICATION_FAILED;
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},
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_onVerificationComplete: function() {
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this.verificationStatus = AuthPromptStatus.VERIFICATION_SUCCEEDED;
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},
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_onReset: function() {
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if (this.verificationStatus != AuthPromptStatus.VERIFICATION_SUCCEEDED) {
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this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
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this.reset();
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}
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},
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_onShowLoginHint: function(verifier, message) {
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this.setHint(message);
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},
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_onHideLoginHint: function() {
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this.setHint(null);
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},
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addActorToDefaultButtonWell: function(actor) {
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this._defaultButtonWell.add_child(actor);
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actor.add_constraint(new Clutter.AlignConstraint({ source: this._spinner.actor,
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align_axis: Clutter.AlignAxis.BOTH,
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factor: 0.5 }));
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},
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setActorInDefaultButtonWell: function(actor, animate) {
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if (!this._defaultButtonWellActor &&
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!actor)
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return;
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let oldActor = this._defaultButtonWellActor;
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if (oldActor)
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Tweener.removeTweens(oldActor);
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let isSpinner;
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if (actor == this._spinner.actor)
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isSpinner = true;
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else
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isSpinner = false;
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if (this._defaultButtonWellActor != actor && oldActor) {
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if (!animate) {
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oldActor.opacity = 0;
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} else {
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Tweener.addTween(oldActor,
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{ opacity: 0,
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time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
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delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
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transition: 'linear',
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onCompleteScope: this,
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onComplete: function() {
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if (isSpinner) {
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if (this._spinner)
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this._spinner.stop();
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}
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}
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});
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}
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}
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if (actor) {
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if (isSpinner)
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this._spinner.play();
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if (!animate)
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actor.opacity = 255;
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else
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Tweener.addTween(actor,
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{ opacity: 255,
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time: DEFAULT_BUTTON_WELL_ANIMATION_TIME,
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delay: DEFAULT_BUTTON_WELL_ANIMATION_DELAY,
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transition: 'linear' });
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}
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this._defaultButtonWellActor = actor;
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},
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startSpinning: function() {
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this.setActorInDefaultButtonWell(this._spinner.actor, true);
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},
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stopSpinning: function() {
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this.setActorInDefaultButtonWell(null, false);
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},
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clear: function() {
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this._entry.text = '';
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this.stopSpinning();
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},
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setPasswordChar: function(passwordChar) {
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this._entry.clutter_text.set_password_char(passwordChar);
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this._entry.menu.isPassword = passwordChar != '';
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},
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setQuestion: function(question) {
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this._label.set_text(question);
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this._label.show();
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this._entry.show();
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this._loginHint.opacity = 0;
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this._loginHint.show();
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this._entry.grab_key_focus();
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},
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getAnswer: function() {
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let text = this._entry.get_text();
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return text;
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},
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_fadeOutMessage: function() {
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if (this._message.opacity == 0)
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return;
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Tweener.removeTweens(this._message);
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Tweener.addTween(this._message,
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{ opacity: 0,
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time: MESSAGE_FADE_OUT_ANIMATION_TIME,
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transition: 'easeOutQuad'
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});
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},
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setMessage: function(message, styleClass) {
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if (message) {
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Tweener.removeTweens(this._message);
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this._message.text = message;
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this._message.styleClass = styleClass;
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this._message.opacity = 255;
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} else {
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this._message.opacity = 0;
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}
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},
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_updateNextButtonSensitivity: function(sensitive) {
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this.nextButton.reactive = sensitive;
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this.nextButton.can_focus = sensitive;
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},
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updateSensitivity: function(sensitive) {
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this._updateNextButtonSensitivity(sensitive);
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this._entry.reactive = sensitive;
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this._entry.clutter_text.editable = sensitive;
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},
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hide: function() {
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this.setActorInDefaultButtonWell(null, true);
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this.actor.hide();
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this._loginHint.opacity = 0;
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this.setUser(null);
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this.updateSensitivity(true);
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this._entry.set_text('');
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},
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setUser: function(user) {
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if (user) {
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let userWidget = new UserWidget.UserWidget(user);
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this._userWell.set_child(userWidget.actor);
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} else {
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this._userWell.set_child(null);
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}
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},
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setHint: function(message) {
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if (message) {
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this._loginHint.set_text(message)
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this._loginHint.opacity = 255;
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} else {
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this._loginHint.opacity = 0;
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this._loginHint.set_text('');
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}
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},
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reset: function() {
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let oldStatus = this.verificationStatus;
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this.verificationStatus = AuthPromptStatus.NOT_VERIFYING;
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if (oldStatus == AuthPromptStatus.VERIFYING)
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this._userVerifier.cancel();
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this._queryingService = null;
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this.clear();
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this._message.opacity = 0;
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this.setUser(null);
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this.stopSpinning();
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this.setHint(null);
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if (oldStatus == AuthPromptStatus.VERIFICATION_FAILED)
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this.emit('failed');
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this.emit('reset');
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},
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addCharacter: function(unichar) {
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if (!this._entry.visible)
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return;
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this._entry.grab_key_focus();
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this._entry.clutter_text.insert_unichar(unichar);
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},
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begin: function(params) {
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params = Params.parse(params, { userName: null,
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hold: null });
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this.updateSensitivity(false);
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let hold = params.hold;
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if (!hold)
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hold = new Batch.Hold();
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this._userVerifier.begin(params.userName, hold);
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this.verificationStatus = AuthPromptStatus.VERIFYING;
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},
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finish: function(onComplete) {
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if (!this._userVerifier.hasPendingMessages) {
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onComplete();
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return;
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}
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let signalId = this._userVerifier.connect('no-more-messages',
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Lang.bind(this, function() {
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this._userVerifier.disconnect(signalId);
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onComplete();
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}));
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},
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cancel: function() {
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this.reset();
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this.emit('cancelled');
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}
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});
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Signals.addSignalMethods(AuthPrompt.prototype);
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