chrome/test/data/notifications/notification_tester.html

   1 <html>
   2 <!--notification_tester.html
   3 Script with javascript functions for creating and canceling notifications.
   4 Also can be used to request permission for notifications.
   5 -->
   6 <script>
   7
   8 // Array of all notifications this page has created.
   9 var g_notifications = [];
  10 // Whether the site has requested and been granted permission.
  11 var g_permissionGranted = false;
  12
  13 // Creates a notification with a iconUrl, title, text, and tag.
  14 // Returns an id for the notification, which can be used to cancel it with
  15 // |cancelNotification|. If two notifications are created with the same
  16 // tag, the second one should replace the first.
  17 function createNotification(iconUrl, title, text, tag) {
  18   var notification = new Notification(title, {
  19     icon: iconUrl,
  20     body: text,
  21     tag: tag
  22   });
  23
  24   createNotificationHelper(notification, true);
  25 }
  26
  27 // Cancels a notification with the given id. The notification must be showing,
  28 // as opposed to waiting to be shown in the display queue.
  29 // Returns '1' on success.
  30 function cancelNotification(id) {
  31   if (id < 0 || id > g_notifications.length) {
  32     var errorMsg = "Attempted to cancel notification with invalid ID.\n" +
  33         "ID: " + id + "\n# of notifications: " + g_notifications.length;
  34     sendResultToTest(errorMsg);
  35   }
  36   g_notifications[id].onclose = function() {
  37     sendResultToTest(1);
  38   }
  39   g_notifications[id].close();
  40 }
  41
  42 // Requests permission for this origin to create notifications.
  43 function requestPermission() {
  44   Notification.requestPermission(onPermissionGranted);
  45   sendResultToTest(1);
  46 }
  47
  48 // Waits for the permission to create notifications to be granted.
  49 function waitForPermissionGranted() {
  50   if (g_permissionGranted) {
  51     sendResultToTest(1);
  52   } else {
  53     setTimeout(waitForPermissionGranted, 50);
  54   }
  55 }
  56
  57 // Callback for requesting notification privileges.
  58 function onPermissionGranted() {
  59   g_permissionGranted = true;
  60 }
  61
  62 // Helper function that adds a notification to |g_notifications| and shows
  63 // it. The index of the notification is sent back to the test, or -1 is sent
  64 // back on error. If |waitForDisplay| is true, the response will not be sent
  65 // until the notification is actually displayed.
  66 function createNotificationHelper(note, waitForDisplay) {
  67   function sendNotificationIdToTest() {
  68     sendResultToTest(g_notifications.length - 1);
  69   }
  70   g_notifications.push(note);
  71   if (waitForDisplay)
  72     note.onshow = sendNotificationIdToTest;
  73   note.onerror = function() {
  74     sendResultToTest(-1);
  75   }
  76
  77   if (!waitForDisplay)
  78     sendNotificationIdToTest();
  79 }
  80
  81 // Sends a result back to the main test logic.
  82 function sendResultToTest(result) {
  83   // Convert the result to a string.
  84   var stringResult = "" + result;
  85   if (typeof stringResult != "string")
  86     stringResult = JSON.stringify(result);
  87   window.domAutomationController.send(stringResult);
  88 }
  89
  90 </script>
  91
  92 <body>
  93 This page is used for testing HTML5 notifications.
  94 </body>
  95 </html>