ui/src/frontend/cookie_consent.ts

// Copyright (C) 2020 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import * as m from 'mithril';

import {globals} from './globals';

const COOKIE_ACK_KEY = 'cookieAck';

export class CookieConsent implements m.ClassComponent {
  private showCookieConsent = true;

  oninit() {
    this.showCookieConsent = true;
    if (!globals.logging.isEnabled() ||
        localStorage.getItem(COOKIE_ACK_KEY) === 'true') {
      this.showCookieConsent = false;
    }
  }

  view() {
    if (!this.showCookieConsent) return;
    return m(
        '.cookie-consent',
        m('.cookie-text',
          `This site uses cookies from Google to deliver its services and to
          analyze traffic.`),
        m('.buttons',
          m('button',
            m('a',
              {
                href: 'https://policies.google.com/technologies/cookies',
                target: '_blank'
              },
              'More details')),
          m('button',
            {
              onclick: () => {
                this.showCookieConsent = false;
                localStorage.setItem(COOKIE_ACK_KEY, 'true');
                globals.rafScheduler.scheduleFullRedraw();
              }
            },
            'OK')),
    );
  }
}