chrome/browser/resources/user_manager/control_bar.js

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/**
 * @fileoverview 'control-bar' is the horizontal bar at the bottom of the user
 * manager screen.
 */
Polymer({
  is: 'control-bar',

  behaviors: [
    I18nBehavior,
  ],

  properties: {
    /**
     * True if 'Browse as Guest' button is displayed.
     * @type {boolean}
     */
    showGuest: {type: Boolean, value: false},

    /**
     * True if 'Add Person' button is displayed.
     * @type {boolean}
     */
    showAddPerson: {type: Boolean, value: false},

    /** @private {!signin.ProfileBrowserProxy} */
    browserProxy_: Object,

    /**
     * True if the force sign in policy is enabled.
     * @private {boolean}
     */
    isForceSigninEnabled_: {
      type: Boolean,
      value: function() {
        return loadTimeData.getBoolean('isForceSigninEnabled');
      },
    }
  },

  /** @override */
  created: function() {
    this.browserProxy_ = signin.ProfileBrowserProxyImpl.getInstance();
  },

  /**
   * Handler for 'Browse as Guest' button click event.
   * @param {!Event} event
   * @private
   */
  onLaunchGuestTap_: function(event) {
    this.browserProxy_.areAllProfilesLocked().then(allProfilesLocked => {
      if (!allProfilesLocked || this.isForceSigninEnabled_) {
        this.browserProxy_.launchGuestUser();
      } else {
        document.querySelector('error-dialog')
            .show(this.i18n('browseAsGuestAllProfilesLockedError'));
      }
    });
  },

  /**
   * Handler for 'Add Person' button click event.
   * @param {!Event} event
   * @private
   */
  onAddUserTap_: function(event) {
    this.browserProxy_.areAllProfilesLocked().then(allProfilesLocked => {
      if (!allProfilesLocked || this.isForceSigninEnabled_) {
        // Event is caught by user-manager-pages.
        this.fire('change-page', {page: 'create-user-page'});
      } else {
        document.querySelector('error-dialog')
            .show(this.i18n('addProfileAllProfilesLockedError'));
      }
    });
  }
});