chrome/test/data/push_messaging/service_worker.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 this.onpush = function(event) {
   6   // TODO(peter): Remove this check once Blink supports PushMessageData.json().
   7   var data = event.data;
   8   if (typeof data !== 'string')
   9     data = data.text();
  10
  11   if (data !== 'shownotification') {
  12     sendMessageToClients('push', data);
  13     return;
  14   }
  15
  16   // TODO(peter): Switch to self.registration.showNotification once implemented.
  17   event.waitUntil(showLegacyNonPersistentNotification('Push test title', {
  18     body: 'Push test body',
  19     tag: 'push_test_tag'
  20   }).then(function(notification) {
  21     sendMessageToClients('push', data);
  22   }, function(ex) {
  23     sendMessageToClients('push', String(ex));
  24   }));
  25 };
  26
  27 function sendMessageToClients(type, data) {
  28   var message = JSON.stringify({
  29     'type': type,
  30     'data': data
  31   });
  32   clients.getAll().then(function(clients) {
  33     clients.forEach(function(client) {
  34       client.postMessage(message);
  35     });
  36   }, function(error) {
  37     console.log(error);
  38   });
  39 }
  40
  41 function showLegacyNonPersistentNotification(title, options) {
  42   return new Promise(function(resolve, reject) {
  43     var notification = new Notification(title, options);
  44     notification.onshow = function() { resolve(notification); };
  45     notification.onerror = function() { reject(new Error('Failed to show')); };
  46   });
  47 }