package com.atlassian.webtest.ui.keys;
   
   import com.google.common.collect.Lists;
   
   import java.util.ArrayList;
   import java.util.Arrays;
   import java.util.Collection;
   import java.util.Collections;
   import java.util.List;
  
  /**
   * A {@link KeySequence} that contains instances of {@link SpecialKeys}.
   *
   * @since v1.21
   */
  public class SpecialKeysSequence extends AbstractKeySequence implements KeySequence
  {
      List<SpecialKeys> specialKeys;
  
      public SpecialKeysSequence(SpecialKeys specialKey, TypeMode typeMode, Collection<ModifierKey> toPress,
              Collection<KeyEventType> events)
      {
          this(Arrays.asList(specialKey), typeMode, toPress, events);
      }
  
      public SpecialKeysSequence(List<SpecialKeys> specialKeys, TypeMode typeMode, Collection<ModifierKey> toPress,
              Collection<KeyEventType> events)
      {
          super(typeMode, toPress, events);
          this.specialKeys = new ArrayList<SpecialKeys>(specialKeys);
      }
  
      private List<Key> copy(List<SpecialKeys> specialKeys)
      {
          List<Key> answer = Lists.newArrayList();
          for (SpecialKeys spKey : specialKeys)
          {
              answer.add(spKey);
          }
          return answer;
      }
  
      public List<Key> keys()
      {
          return Collections.unmodifiableList(copy(specialKeys));
      }
  
      public List<SpecialKeys> specialKeys()
      {
          return Collections.unmodifiableList(new ArrayList<SpecialKeys>(specialKeys));
      }
  }