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 // Creates an HTML notification with a given content url.
  30 // Returns an id for the notification, which can be used to cancel it with
  31 // |cancelNotification|. If two notifications are created with the same
  32 // replaceId, the second one should replace the first. If the notification
  33 // cannot be created, this returns -1.
  34 // If |waitForDisplay| is true, a response will not be sent until the
  35 // notification is actually displayed.
  36 function createHTMLNotification(contentUrl, replaceId, waitForDisplay) {
  37   try {
  38     var note = webkitNotifications.createHTMLNotification(contentUrl);
  39   } catch (exception)  {
  40     sendResultToTest(-1);
  41     return;
  42   }
  43   createNotificationHelper(note, replaceId, waitForDisplay);
  44 }
  45
  46 // Cancels a notification with the given id. The notification must be showing,
  47 // as opposed to waiting to be shown in the display queue.
  48 // Returns '1' on success.
  49 function cancelNotification(id) {
  50   if (id < 0 || id > g_notifications.length) {
  51     var errorMsg = "Attempted to cancel notification with invalid ID.\n" +
  52         "ID: " + id + "\n# of notifications: " + g_notifications.length;
  53     sendResultToTest(errorMsg);
  54   }
  55   g_notifications[id].onclose = function() {
  56     sendResultToTest(1);
  57   }
  58   g_notifications[id].cancel();
  59 }
  60
  61 // Requests permission for this origin to create notifications.
  62 function requestPermission() {
  63   window.webkitNotifications.requestPermission(onPermissionGranted);
  64   sendResultToTest(1);
  65 }
  66
  67 // Waits for the permission to create notifications to be granted.
  68 function waitForPermissionGranted() {
  69   if (g_permissionGranted) {
  70     sendResultToTest(1);
  71   } else {
  72     setTimeout(waitForPermissionGranted, 50);
  73   }
  74 }
  75
  76 // Callback for requesting notification privileges.
  77 function onPermissionGranted() {
  78   g_permissionGranted = true;
  79 }
  80
  81 // Helper function that adds a notification to |g_notifications| and shows
  82 // it. The index of the notification is sent back to the test, or -1 is sent
  83 // back on error. If |waitForDisplay| is true, the response will not be sent
  84 // until the notification is actually displayed.
  85 function createNotificationHelper(note, replaceId, waitForDisplay) {
  86   function sendNotificationIdToTest() {
  87     sendResultToTest(g_notifications.length - 1);
  88   }
  89   g_notifications.push(note);
  90   note.replaceId = replaceId;
  91   if (waitForDisplay)
  92     note.ondisplay = sendNotificationIdToTest;
  93   note.onerror = function() {
  94     sendResultToTest(-1);
  95   }
  96
  97   note.show();
  98   if (!waitForDisplay)
  99     sendNotificationIdToTest();
 100 }
 101
 102 // Sends a result back to the main test logic.
 103 function sendResultToTest(result) {
 104   // Convert the result to a string.
 105   var stringResult = "" + result;
 106   if (typeof stringResult != "string")
 107     stringResult = JSON.stringify(result);
 108   window.domAutomationController.send(stringResult);
 109 }
 110
 111 </script>
 112
 113 <body>
 114 This page is used for testing HTML5 notifications.
 115 </body>
 116 </html>