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// 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.
Polymer({
is: 'controlled-radio-button',
behaviors: [
PrefControlBehavior,
CrRadioButtonBehavior,
],
properties: {
disabled: {
type: Boolean,
computed: 'computeDisabled_(pref.*)',
reflectToAttribute: true,
observer: 'disabledChanged_',
},
name: {
type: String,
notify: true,
},
},
/**
* @return {boolean} Whether the button is disabled.
* @private
*/
computeDisabled_: function() {
return this.pref.enforcement == chrome.settingsPrivate.Enforcement.ENFORCED;
},
/**
* @param {boolean} current
* @param {boolean} previous
* @private
*/
disabledChanged_: function(current, previous) {
if (previous === undefined && !this.disabled)
return;
this.setAttribute('tabindex', this.disabled ? -1 : 0);
this.setAttribute('aria-disabled', this.disabled ? 'true' : 'false');
},
/**
* @return {boolean}
* @private
*/
showIndicator_: function() {
return this.disabled &&
this.name == Settings.PrefUtil.prefToString(assert(this.pref));
},
/**
* @param {!Event} e
* @private
*/
onIndicatorTap_: function(e) {
// Disallow <controlled-radio-button on-click="..."> when disabled.
e.preventDefault();
e.stopPropagation();
},
});
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