/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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 com.intellij.ui.navigation;

public interface HistoryListener {

  void navigationStarted(Place from, Place to);
  void navigationFinished(Place from, Place to);

  class Adapter implements HistoryListener {
    @Override
    public void navigationStarted(final Place from, final Place to) {
    }

    @Override
    public void navigationFinished(final Place from, final Place to) {
    }
  }

}