content: /*
   * Created on Sep 24, 2007
   *
   * 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.
   *
   * Copyright @2007-2013 the original author or authors.
   */
  package org.fest.swing.test.recorder;
  
  import static org.fest.util.Lists.newArrayList;
  
  import java.awt.Component;
  import java.awt.event.KeyAdapter;
  import java.awt.event.KeyEvent;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.concurrent.CopyOnWriteArrayList;
  
  /**
   * An event listener that records key events.
   *
   * @author Alex Ruiz
   */
  public class KeyRecorder extends KeyAdapter {
    public static KeyRecorder attachTo(Component target) {
      return new KeyRecorder(target);
    }
  
    private static class KeyEventRecord {
      final int keyCode;
  
      KeyEventRecord(KeyEvent e) {
        this.keyCode = e.getKeyCode();
      }
    }
  
    private final List<KeyEventRecord> keysPressed = newKeyEventRecordList();
    private final List<KeyEventRecord> keysReleased = newKeyEventRecordList();
  
    private static List<KeyEventRecord> newKeyEventRecordList() {
      return new CopyOnWriteArrayList<KeyEventRecord>();
    }
  
    protected KeyRecorder(Component target) {
      attach(this, target);
    }
  
    private static void attach(KeyRecorder keyListener, Component target) {
      target.addKeyListener(keyListener);
    }
  
    @Override
    public void keyPressed(KeyEvent e) {
      keysPressed.add(new KeyEventRecord(e));
    }
  
    @Override
    public void keyReleased(KeyEvent e) {
      keysReleased.add(new KeyEventRecord(e));
    }
  
    public boolean noKeysReleased() {
      return keyCodesFrom(keysReleased).isEmpty();
    }
  
    public boolean keysWerePressed(Integer... expectedKeys) {
      return containsKeys(keysPressed, expectedKeys);
    }
  
    public boolean keysWereReleased(Integer... expectedKeys) {
      return containsKeys(keysReleased, expectedKeys);
    }
  
    private boolean containsKeys(List<KeyEventRecord> actualKeys, Integer... expectedKeys) {
      return keyCodesFrom(actualKeys).containsAll(newArrayList(expectedKeys));
    }
  
    private List<Integer> keyCodesFrom(List<KeyEventRecord> actualKeys) {
      List<Integer> keys = new ArrayList<Integer>();
      if (actualKeys.isEmpty()) {
        return keys;
      }
      for (KeyEventRecord r : actualKeys) {
        keys.add(r.keyCode);
      }
      return keys;
    }
  }
  