/**
    * This file Copyright (c) 2013-2018 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.dialog.connector;
  
  import info.magnolia.ui.vaadin.gwt.client.dialog.rpc.OverlayClientRpc;
  import info.magnolia.ui.vaadin.gwt.client.dialog.rpc.OverlayServerRpc;
  import info.magnolia.ui.vaadin.gwt.client.dialog.widget.OverlayWidget;
  import info.magnolia.ui.vaadin.overlay.Overlay;
  
  import com.google.gwt.core.client.Scheduler;
  import com.google.gwt.user.client.Timer;
  import com.google.gwt.user.client.ui.Widget;
  import com.vaadin.client.ComponentConnector;
  import com.vaadin.client.ConnectorHierarchyChangeEvent;
  import com.vaadin.client.communication.RpcProxy;
  import com.vaadin.client.communication.StateChangeEvent;
  import com.vaadin.client.ui.AbstractSingleComponentContainerConnector;
  import com.vaadin.shared.ui.Connect;
  
  /**
   * Client-side connector for Overlay component.
   */
  @Connect(Overlay.class)
  public class OverlayConnector extends AbstractSingleComponentContainerConnector {
  
      public static final int OVERLAY_CLOSE_ANIMATION_DURATION_MSEC = 500;
  
      private OverlayServerRpc rpc = RpcProxy.create(OverlayServerRpc.class, this);
  
      private Timer automaticRemovalTimer = new Timer() {
          @Override
          public void run() {
              removeSelf();
          }
      };
  
      @Override
      protected void init() {
          super.init();
          registerRpc(OverlayClientRpc.class, new OverlayClientRpc() {
              @Override
              public void close() {
                  removeSelf();
              }
          });
      }
  
      public void removeSelf() {
          final Object lock = new Object();
          getWidget().addStyleName("close");
          getConnection().getMessageHandler().suspendReponseHandling(lock);
          final Widget w = getWidget();
          Scheduler.get().scheduleFixedDelay(new Scheduler.RepeatingCommand() {
              @Override
              public boolean execute() {
                  getConnection().getMessageHandler().resumeResponseHandling(lock);
                  w.removeFromParent();
                  rpc.onClosed();
                  return false;
              }
          }, OVERLAY_CLOSE_ANIMATION_DURATION_MSEC);
      }
  
      @Override
      public void onStateChanged(StateChangeEvent event) {
          super.onStateChanged(event);
          if (event.hasPropertyChanged("closeTimeout")) {
              int timeout = getState().closeTimeout;
             if (timeout < 0) {
                 automaticRemovalTimer.cancel();
             } else {
                 automaticRemovalTimer.schedule(timeout * 1000);
             }
         }
     }
 
     @Override
     public void updateCaption(ComponentConnector connector) {
     }
 
     @Override
     public OverlayWidget getWidget() {
         return (OverlayWidget) super.getWidget();
     }
 
     @Override
     public void onConnectorHierarchyChange(final ConnectorHierarchyChangeEvent e) {
         if (getContent() != null) {
             getWidget().setWidget(getContent().getWidget());
         }
     }
 
     @Override
     public OverlayState getState() {
         return (OverlayState) super.getState();
     }
 }