/**
    * This file Copyright (c) 2013-2014 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.ui.vaadin.gwt.client.magnoliashell.viewport.animation;
  
  import com.google.gwt.animation.client.Animation;
  import com.google.gwt.dom.client.Element;
  import com.vaadin.client.ApplicationConnection;
  import info.magnolia.ui.vaadin.gwt.client.jquerywrapper.AnimationSettings;
  import info.magnolia.ui.vaadin.gwt.client.jquerywrapper.JQueryCallback;
  import info.magnolia.ui.vaadin.gwt.client.jquerywrapper.JQueryWrapper;
  
  /**
   * GWT Animation wrapper for JQuery Animations.
   */
  public class JQueryAnimation extends Animation {
  
      private Object lock = new Object();
  
      private AnimationSettings settings = new AnimationSettings();
  
      private JQueryWrapper jQueryWrapper;
  
      private Element currentElement;
  
      private ApplicationConnection connection;
  
      private boolean isBlocking = false;
  
      private boolean isClearTopAfterThisAnimation = false;
  
      public void setProperty(String property, Object value) {
          settings.setProperty(property, value);
      }
  
      public void addCallback(JQueryCallback callback) {
          settings.addCallback(callback);
      }
  
      public void clearTopAfterThisAnimation() {
          isClearTopAfterThisAnimation = true;
      }
  
      public JQueryAnimation(ApplicationConnection connection) {
          this.connection = connection;
          if (connection != null) {
              this.isBlocking = true;
          }
          addCallback(new JQueryCallback() {
              @Override
              public void execute(JQueryWrapper query) {
                  query.setCss("transition", "");
                  query.setCss("transform", "");
  
                  getJQueryWrapper().setCss("-webkit-transform", "");
                  getJQueryWrapper().setCss("-webkit-transition", "");
  
                  if (isClearTopAfterThisAnimation) {
                      currentElement.getStyle().clearTop();
                  }
                  isClearTopAfterThisAnimation = false;
                  onComplete();
              }
          });
      }
  
      public JQueryAnimation() {
          this(null);
      }
 
     @Override
     public void run(int duration, double startTime, Element element) {
         this.currentElement = element;
         this.jQueryWrapper = null;
         cancel();
         onStart();
         getJQueryWrapper().animate(duration, settings);
     }
 
     protected JQueryWrapper getJQueryWrapper() {
         if (jQueryWrapper == null) {
             jQueryWrapper = JQueryWrapper.select((com.google.gwt.user.client.Element)currentElement);
         }
         return jQueryWrapper;
     }
 
     @Override
     protected void onUpdate(double progress) {}
 
     @Override
     public void cancel() {
         if (isRunning()) {
             getJQueryWrapper().stop();
             getJQueryWrapper().setCss("transition", "");
             getJQueryWrapper().setCss("transform", "");
             getJQueryWrapper().setCss("top", "");
             getJQueryWrapper().setCss("-webkit-transform", "");
             getJQueryWrapper().setCss("-webkit-transition", "");
             getJQueryWrapper().setCss("-moz-transform", "");
             getJQueryWrapper().setCss("-moz-transition", "");
             getJQueryWrapper().setCss("-o-transform", "");
             getJQueryWrapper().setCss("-o-transition", "");
         }
         onComplete();
     }
 
     @Override
     protected void onStart() {
         super.onStart();
         if (isBlocking && connection != null) {
             connection.suspendReponseHandling(lock);
         }
     }
 
     @Override
     protected void onComplete() {
         if (isBlocking && connection != null) {
             connection.resumeResponseHandling(lock);
         }
     }
 
     @Override
     public boolean isRunning() {
         return getJQueryWrapper().isAnimationInProgress();
     }
 
     public Element getCurrentElement() {
         return currentElement;
     }
 }