chrome/browser/resources/settings/controls/controlled_radio_button.ts

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

import '//resources/cr_elements/cr_radio_button/cr_radio_button_style.css.js';
import '//resources/cr_elements/cr_shared_vars.css.js';
import '/shared/settings/controls/cr_policy_pref_indicator.js';

import {CrRadioButtonMixin} from '//resources/cr_elements/cr_radio_button/cr_radio_button_mixin.js';
import {assert} from '//resources/js/assert.js';
import {PolymerElement} from '//resources/polymer/v3_0/polymer/polymer_bundled.min.js';
import {PrefControlMixin} from '/shared/settings/controls/pref_control_mixin.js';
import {prefToString} from '/shared/settings/prefs/pref_util.js';
import {CrRippleMixinPolymer} from 'chrome://resources/cr_elements/cr_ripple/cr_ripple_mixin_polymer.js';

import {getTemplate} from './controlled_radio_button.html.js';

const ControlledRadioButtonElementBase =
    CrRippleMixinPolymer(CrRadioButtonMixin(PrefControlMixin(PolymerElement)));

export class ControlledRadioButtonElement extends
    ControlledRadioButtonElementBase {
  static get is() {
    return 'controlled-radio-button';
  }

  static get template() {
    return getTemplate();
  }

  static get observers() {
    return [
      'updateDisabled_(pref.enforcement)',
    ];
  }

  // Overridden from CrRadioButtonMixin
  override getPaperRipple() {
    return this.getRipple();
  }

  // Overridden from CrRippleMixinPolymer
  override createRipple() {
    this.rippleContainer = this.shadowRoot!.querySelector('.disc-wrapper');
    const ripple = super.createRipple();
    ripple.setAttribute('recenters', '');
    ripple.classList.add('circle');
    return ripple;
  }

  private updateDisabled_() {
    this.disabled =
        this.pref!.enforcement === chrome.settingsPrivate.Enforcement.ENFORCED;
  }

  private showIndicator_(): boolean {
    if (!this.disabled) {
      return false;
    }

    assert(this.pref);
    return this.name === prefToString(this.pref);
  }

  private onIndicatorClick_(e: Event) {
    // Disallow <controlled-radio-button on-click="..."> when disabled.
    e.preventDefault();
    e.stopPropagation();
  }
}

declare global {
  interface HTMLElementTagNameMap {
    'controlled-radio-button': ControlledRadioButtonElement;
  }
}

customElements.define(
    ControlledRadioButtonElement.is, ControlledRadioButtonElement);