js/xpconnect/idl/xpcIJSWeakReference.idl

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "nsISupports.idl"
   6
   7 [scriptable, builtinclass, uuid(75767928-ecb1-4e6c-9f55-c118b297fcef)]
   8 interface xpcIJSWeakReference : nsISupports
   9 {
  10   /**
  11    * To be called from JS only.
  12    *
  13    * Returns the referenced JS object or null if the JS object has
  14    * been garbage collected.
  15    */
  16   [implicit_jscontext] jsval get();
  17 };