| // Copyright 2014 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. |
| |
| // Use an absolute path since this could be loaded from a different scope, |
| // which would affect the scope of the importScripts call here. |
| self.importScripts('/push_messaging/push_constants.js'); |
| |
| // Don't wait for clients of old SW to close before activating. |
| self.addEventListener('install', () => skipWaiting()); |
| |
| // The "onpush" event currently understands the following values as message |
| // payload data coming from the test. Any other input is passed through to the |
| // document unchanged. |
| // |
| // "shownotification" |
| // - Display a Web Notification with event.waitUntil(). |
| // "shownotification-without-waituntil" |
| // - Display a Web Notification without using event.waitUntil(). |
| // "shownotification-with-showtrigger" |
| // - Display a Web Notification with a showTrigger. |
| this.onpush = function(event) { |
| if (event.data === null) { |
| sendMessageToClients('push', '[NULL]'); |
| return; |
| } |
| |
| var data = event.data.text(); |
| if (!data.startsWith('shownotification')) { |
| sendMessageToClients('push', data); |
| return; |
| } |
| |
| var notificationOptions = { |
| body: 'Push test body', |
| tag: 'push_test_tag' |
| }; |
| |
| if (data === 'shownotification-with-showtrigger') { |
| notificationOptions.showTrigger = new TimestampTrigger(Date.now() + 60000); |
| } |
| |
| var result = |
| registration.showNotification('Push test title', notificationOptions); |
| |
| if (data === 'shownotification-without-waituntil') { |
| sendMessageToClients('push', 'immediate:' + data); |
| return; |
| } |
| |
| event.waitUntil(result.then(function() { |
| sendMessageToClients('push', data); |
| }, function(ex) { |
| sendMessageToClients('push', String(ex)); |
| })); |
| }; |
| |
| self.addEventListener('message', function handler (event) { |
| let pushSubscriptionOptions = { |
| userVisibleOnly: true |
| }; |
| if (event.data.command === 'workerSubscribe') { |
| pushSubscriptionOptions.applicationServerKey = kApplicationServerKey.buffer; |
| } else if (event.data.command === 'workerSubscribeWithNumericKey') { |
| pushSubscriptionOptions.applicationServerKey = |
| new TextEncoder().encode(event.data.key); |
| } else if ( |
| event.data.command === 'workerSubscribePushWithBase64URLEncodedString') { |
| pushSubscriptionOptions.applicationServerKey = kBase64URLEncodedKey; |
| } else if (event.data.command === 'workerSubscribeNoKey') { |
| // Nothing to set up |
| } else { |
| sendMessageToClients('message', 'error - unknown message request'); |
| return; |
| } |
| |
| self.registration.pushManager.subscribe(pushSubscriptionOptions) |
| .then(function(subscription) { |
| sendMessageToClients('message', subscription.endpoint); |
| }, function(error) { |
| sendErrorToClients(error); |
| }); |
| }); |
| |
| function sendErrorToClients(error) { |
| sendMessageToClients('error', error.name + ' - ' + error.message); |
| } |
| |
| function sendMessageToClients(type, data) { |
| var message = JSON.stringify({ |
| 'type': type, |
| 'data': data |
| }); |
| clients.matchAll().then(function(clients) { |
| clients.forEach(function(client) { |
| client.postMessage(message); |
| }); |
| }, function(error) { |
| console.log(error); |
| }); |
| } |