image/public/imgIContainerDebug.idl

   1 /** -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsISupports.idl"
   8
   9 /**
  10  * This interface is used in debug builds (and only there) in
  11  * order to let automatic tests running JavaScript access
  12  * internal state of imgContainers. This lets us test
  13  * things like animation.
  14  */
  15 [scriptable, builtinclass, uuid(52cbb839-6e63-4a70-b21a-1db4ca706c49)]
  16 interface imgIContainerDebug : nsISupports
  17 {
  18   /**
  19    * The # of frames this imgContainer has been notified about.
  20    * That is equal to the # of times the animation timer has
  21    * fired, and is usually equal to the # of frames actually
  22    * drawn (but actual drawing might be disabled).
  23    */
  24   readonly attribute uint32_t framesNotified;
  25 };