notification_permission_checker.html

<html>
<script src="notification_test_utils.js"></script>
<script>

function getNotificationPermission() {
  return Notification.permission;
}

async function getServiceWorkerNotificationPermission() {
  return sendMessage('getServiceWorkerNotificationPermission');
}

async function queryNotificationPermission() {
  let result = await navigator.permissions.query({name: 'notifications'});
  return result.state;
}

async function queryServiceWorkerNotificationPermission() {
  return sendMessage('queryServiceWorkerNotificationPermission');
}

async function getPushPermission() {
  let sw = await getServiceWorkerRegistration();
  return sw.pushManager.permissionState({userVisibleOnly:true});
}

async function getServiceWorkerPushPermission() {
  return sendMessage('getServiceWorkerPushPermission');
}

async function requestNotificationPermission() {
  return Notification.requestPermission();
}

async function requestPushPermission() {
  let sw = await getServiceWorkerRegistration();
  let dummy_application_server_key = new Array(65);
  dummy_application_server_key[0] = 0x04;
  let options = {
    userVisibleOnly: true,
    applicationServerKey: 
      new TextEncoder().encode(
        String.fromCharCode(...dummy_application_server_key)),
  };

  return sw.pushManager.subscribe(options);
}

// Sends a message to the service worker and returns a promise that resolves
// to the worker's response.
async function sendMessage(message) {
  let sw = await getServiceWorkerRegistration();
  sw.active.postMessage(message);
  // Resolves to <result> after receiving response of '<message>:<result>'.
  return new Promise(resolve => {
    messagePort.addEventListener('message', event => {
      if (event.data.startsWith(message + ':')) {
        resolve(event.data.substr(message.length + 1));
      }
    });
  });
}

function getServiceWorkerRegistration() {
  return GetActivatedServiceWorker(
      'notification_permission_checker_worker.js',
      location.pathname);
}
</script>

<body>
This page tests notification permissions in service workers.
</body>
</html>
chromium/chrome/test/data/notifications/notification_permission_checker.html
