content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.gwt.client.js;
  
  import elemental2.core.JsArray;
  import jsinterop.annotations.JsFunction;
  import jsinterop.annotations.JsType;
  import jsinterop.base.JsPropertyMap;
  
  /**
   * JS interop class for native ResizeObserver.
   */
  @JsType(isNative = true, name = "ResizeObserver", namespace = "<window>")
  public class ResizeObserver {
  
      /**
       * JS Callback for resize observers.
       */
      @JsFunction
      public interface Callback {
  
          /**
           * Called by the resize observer.
           *
           * @param entries the resize observer entries
           */
          void call(JsArray<JsPropertyMap<?>> entries);
      }
  
      /**
       * Creates a new instance.
       *
       * @param callback the callback to call when resizes happen
       */
      public ResizeObserver(Callback callback) {
  
          super();
      }
  
      /**
       * Disconnects the resize observer.
       */
      public native void disconnect();
  
      /**
       * Starts observation for an element.
       *
       * @param element the element to observer
       */
      public native void observe(elemental2.dom.Element element);
  
      /**
       * Stops observation for an element.
       *
       * @param element the element for which to stop observation
       */
      public native void unobserve(elemental2.dom.Element element);
  
  }
  