/*
 * Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jboss.errai.ui.nav.client.local.testpages;

import java.util.Collections;
import java.util.IdentityHashMap;
import java.util.Set;

import javax.annotation.PreDestroy;

import org.jboss.errai.ui.nav.client.local.Page;
import org.jboss.errai.ui.nav.client.local.res.NonCompositePageRole;
import org.jboss.errai.ui.shared.api.annotations.DataField;
import org.jboss.errai.ui.shared.api.annotations.Templated;

import com.google.gwt.dom.client.DivElement;
import com.google.gwt.dom.client.Document;

/**
 * @author Max Barkley <mbarkley@redhat.com>
 */
@Page(role = NonCompositePageRole.class)
@Templated
public class NonCompositePage {

  private static final Set<NonCompositePage> destroyed = Collections.newSetFromMap(new IdentityHashMap<NonCompositePage, Boolean>());

  public static Set<NonCompositePage> getDestroyed() {
    return Collections.unmodifiableSet(destroyed);
  }

  public static void resetDestroyed() {
    destroyed.clear();
  }

  @DataField
  private final DivElement root = Document.get().createDivElement();

  public DivElement getRoot() {
    return root;
  }

  @PreDestroy
  private void preDestroy() {
    destroyed.add(this);
  }

}