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 replaceId.
  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 // replaceId, the second one should replace the first.
  17 function createNotification(iconUrl, title, text, replaceId) {
  18   try {
  19     var note = webkitNotifications.createNotification(iconUrl,
  20                                                       title,
  21                                                       text);
  22   } catch (exception)  {
  23     sendResultToTest(-1);
  24     return;
  25   }
  26   createNotificationHelper(note, replaceId, true);
  27 }
  28
  29 // Cancels a notification with the given id. The notification must be showing,
  30 // as opposed to waiting to be shown in the display queue.
  31 // Returns '1' on success.
  32 function cancelNotification(id) {
  33   if (id < 0 || id > g_notifications.length) {
  34     var errorMsg = "Attempted to cancel notification with invalid ID.\n" +
  35         "ID: " + id + "\n# of notifications: " + g_notifications.length;
  36     sendResultToTest(errorMsg);
  37   }
  38   g_notifications[id].onclose = function() {
  39     sendResultToTest(1);
  40   }
  41   g_notifications[id].cancel();
  42 }
  43
  44 // Requests permission for this origin to create notifications.
  45 function requestPermission() {
  46   window.webkitNotifications.requestPermission(onPermissionGranted);
  47   sendResultToTest(1);
  48 }
  49
  50 // Waits for the permission to create notifications to be granted.
  51 function waitForPermissionGranted() {
  52   if (g_permissionGranted) {
  53     sendResultToTest(1);
  54   } else {
  55     setTimeout(waitForPermissionGranted, 50);
  56   }
  57 }
  58
  59 // Callback for requesting notification privileges.
  60 function onPermissionGranted() {
  61   g_permissionGranted = true;
  62 }
  63
  64 // Helper function that adds a notification to |g_notifications| and shows
  65 // it. The index of the notification is sent back to the test, or -1 is sent
  66 // back on error. If |waitForDisplay| is true, the response will not be sent
  67 // until the notification is actually displayed.
  68 function createNotificationHelper(note, replaceId, waitForDisplay) {
  69   function sendNotificationIdToTest() {
  70     sendResultToTest(g_notifications.length - 1);
  71   }
  72   g_notifications.push(note);
  73   note.replaceId = replaceId;
  74   if (waitForDisplay)
  75     note.ondisplay = sendNotificationIdToTest;
  76   note.onerror = function() {
  77     sendResultToTest(-1);
  78   }
  79
  80   note.show();
  81   if (!waitForDisplay)
  82     sendNotificationIdToTest();
  83 }
  84
  85 // Sends a result back to the main test logic.
  86 function sendResultToTest(result) {
  87   // Convert the result to a string.
  88   var stringResult = "" + result;
  89   if (typeof stringResult != "string")
  90     stringResult = JSON.stringify(result);
  91   window.domAutomationController.send(stringResult);
  92 }
  93
  94 </script>
  95
  96 <body>
  97 This page is used for testing HTML5 notifications.
  98 </body>
  99 </html>