The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/addon-sdk/source/lib/sdk/private-browsing/window/utils.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,33 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +'use strict';
     1.8 +
     1.9 +module.metadata = {
    1.10 +  'stability': 'unstable'
    1.11 +};
    1.12 +
    1.13 +const privateNS = require('../../core/namespace').ns();
    1.14 +
    1.15 +function getOwnerWindow(thing) {
    1.16 +  try {
    1.17 +    // check for and return associated window
    1.18 +    let fn = (privateNS(thing.prototype) || privateNS(thing) || {}).getOwnerWindow;
    1.19 +
    1.20 +    if (fn)
    1.21 +      return fn.apply(fn, [thing].concat(arguments));
    1.22 +  }
    1.23 +  // stuff like numbers and strings throw errors with namespaces
    1.24 +  catch(e) {}
    1.25 +  // default
    1.26 +  return undefined;
    1.27 +}
    1.28 +getOwnerWindow.define = function(Type, fn) {
    1.29 +  privateNS(Type.prototype).getOwnerWindow = fn;
    1.30 +}
    1.31 +
    1.32 +getOwnerWindow.implement = function(instance, fn) {
    1.33 +  privateNS(instance).getOwnerWindow = fn;
    1.34 +}
    1.35 +
    1.36 +exports.getOwnerWindow = getOwnerWindow;