Chrome Extension Notification Exception: DOM Exception 18

Question

I'm creating a chrome extension but I'm having some difficulties in use notifications webkit. When I try to display a notification, an exception is thrown:

Uncaught Error: SecurityError: DOM Exception 18

Bellow follow my Javascript code:

var icon  = 'icon_48.png';
var title = 'Test Plugin';
var body  = message;
var popup = window.webkitNotifications.createNotification(icon, title, body);
popup.show();

Bellow follow my manifest.json:

{
  "name": "Test Plugin",
  "version": "1.0.6",
  "manifest_version": 2,
  "description": "This is a test",
  "browser_action": {
    "default_icon": "images/icon_32.png",
    "default_popup": "popup.html"
  },
  "icons": {
      "128": "images/icon_128.png",
      "16": "images/icon_32.png",
      "48": "images/icon_48.png"
   },
  "permissions": [ 
    "http://*/*", 
    "https://*/*", 
    "contextMenus", 
    "tabs", 
    "notifications", 
    "management", 
    "webRequest" 
    ],
  "content_scripts": [
      {
        "matches": ["<all_urls>"],
        "js": ["webtoolkit-sha1.js","content.js"],
        "run_at": "document_end",
        "css" : ["css/style.css"]
      }
  ],
  "web_accessible_resources": ["webtoolkit-sha1.js","inject.js","icon_48.png"]
}

What am I doing wrong?

Thanks everybody!

Information Update:

manifest.json has the attribute notifications in permissions section but when I print the webkitNotifications.checkPermission() the result was 1 (PERMISSION_NOT_ALLOWED).

Rob W · Accepted Answer · 2013-03-22 15:21:46Z

1

The notifications permission only applies to the extension's process. In order to get your code to work, a background (or event) page needs to be added, which creates the notification. The content script can use the messaging API to request the notification.

answered Mar 22, 2013 at 15:21

Rob W

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