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| 1 <!doctype html> |
| 2 <html lang="en"> |
| 3 <head> |
| 4 <meta charset="utf-8"> |
| 5 <title>Platform Notification Service BrowserTest service page</title> |
| 6 </head> |
| 7 <body> |
| 8 <!-- This page is intended to be used by the |
| 9 PlatformNotificationServiceBrowserTest. --> |
| 10 <script> |
| 11 var messagePort = null, |
| 12 messageStack = [], |
| 13 expectingMessage = false; |
| 14 |
| 15 // Requests permission to display Web Notifications. Will return the |
| 16 // permission level to the DOM Automation Controller. |
| 17 function RequestPermission() { |
| 18 Notification.requestPermission(function (level) { |
| 19 domAutomationController.send(level); |
| 20 }); |
| 21 } |
| 22 |
| 23 // Returns a promise that will be resolved with an activated Service |
| 24 // Worker, or rejects when the Service Worker could not be started. There |
| 25 // will be a message port to and from the worker in |messagePort|. |
| 26 // TODO(peter): Generalize this in some sort of Service Worker utility |
| 27 // JavaScript file so that other tests can re-use the same logic. |
| 28 function GetActivatedServiceWorker(script, scope) { |
| 29 return navigator.serviceWorker.getRegistration(scope) |
| 30 .then(function (registration) { |
| 31 // Unregister any existing Service Worker. |
| 32 if (registration) |
| 33 return registration.unregister(); |
| 34 }).then(function () { |
| 35 // Register the Service Worker again. |
| 36 return navigator.serviceWorker.register(script, { scope: scope }); |
| 37 }).then(function (registration) { |
| 38 if (registration.active) { |
| 39 return registration; |
| 40 } else if (registration.waiting || registration.installing) { |
| 41 var worker = registration.waiting || registration.installing; |
| 42 return new Promise(function (resolve) { |
| 43 worker.addEventListener('statechange', function () { |
| 44 if (worker.state === 'activated') |
| 45 resolve(registration); |
| 46 }); |
| 47 }); |
| 48 } else { |
| 49 return Promise.reject('Service Worker in invalid state.'); |
| 50 } |
| 51 }).then(function (registration) { |
| 52 return new Promise(function (resolve) { |
| 53 var channel = new MessageChannel(); |
| 54 channel.port1.addEventListener('message', function (event) { |
| 55 if (event.data == 'ready') |
| 56 resolve(registration); |
| 57 }); |
| 58 |
| 59 registration.active.postMessage(channel.port2, |
| 60 [ channel.port2 ]); |
| 61 |
| 62 messagePort = channel.port1; |
| 63 messagePort.start(); |
| 64 }); |
| 65 }); |
| 66 } |
| 67 |
| 68 // Renews the registered Service Worker registration for this page, then |
| 69 // displays a notification on the activated ServiceWorkerRegistration. |
| 70 function DisplayPersistentNotification(title) { |
| 71 GetActivatedServiceWorker('platform_notification_service.js', |
| 72 location.pathname) |
| 73 .then(function (registration) { |
| 74 return registration.showNotification(title, { |
| 75 body: 'Hello, world!', |
| 76 icon: 'icon.png' |
| 77 }); |
| 78 }).then(function () { |
| 79 messagePort.addEventListener('message', function (event) { |
| 80 if (expectingMessage) |
| 81 domAutomationController.send(event.data); |
| 82 else |
| 83 messageStack.push(event.data); |
| 84 }); |
| 85 |
| 86 domAutomationController.send('ok'); |
| 87 }).catch(function (error) { |
| 88 domAutomationController.send('' + error); |
| 89 }); |
| 90 } |
| 91 |
| 92 // Returns the latest received message from the worker. If no message has |
| 93 // been received, nothing will be done. For successfully registered |
| 94 // Service Workers this is OK, however, since the "message" event handler |
| 95 // in DisplayPersistentNotification will take care of notifying the DOM |
| 96 // Automation Controller instead. |
| 97 function GetMessageFromWorker() { |
| 98 if (!messageStack.length) { |
| 99 expectingMessage = true; |
| 100 return; |
| 101 } |
| 102 |
| 103 domAutomationController.send('' + messageStack.pop()); |
| 104 } |
| 105 </script> |
| 106 </body> |
| 107 </html> |
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Chromium Code Reviews
Issue 784383002:
Support persistent notifications in the PlatformNotificationServiceImpl. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@n-chrome-base