/*
 * Copyright 2008 Google Inc.
 * 
 * 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.google.gwt.resources.css.ast;

import com.google.gwt.resources.css.ast.CssProperty.ExpressionValue;
import com.google.gwt.resources.css.ast.CssProperty.Value;

import java.util.Collections;
import java.util.List;

/**
 * A definition that is evaluated at runtime.
 */
public class CssEval extends CssDef {
  private final List<Value> values;

  public CssEval(String key, String expression) {
    super(key);
    Value value = new ExpressionValue(expression);
    values = Collections.singletonList(value);
  }

  @Override
  public List<Value> getValues() {
    return values;
  }

  @Override
  public void traverse(CssVisitor visitor, Context context) {
    visitor.visit(this, context);
    visitor.endVisit(this, context);
  }
}