content: /*
   * Created on Jul 17, 2008
   * 
   * 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 @2008-2013 the original author or authors.
   */
  package org.fest.swing.driver;
  
  import static org.fest.swing.format.Formatting.format;
  import static org.fest.swing.query.ComponentShowingQuery.isShowing;
  import static org.fest.util.Preconditions.checkNotNull;
  import static org.fest.util.Strings.concat;
  
  import java.awt.Component;
  
  import javax.annotation.Nonnull;
  
  import org.fest.swing.timing.Condition;
  
  /**
   * Verifies that an AWT or Swing {@code Component} is showing on the screen.
   * 
   * @author Yvonne Wang
   */
  public class WaitForComponentToShowCondition extends Condition {
    private Component c;
  
    /**
     * Creates a new {@link WaitForComponentToShowCondition}.
     * 
     * @param c the AWT or Swing {@code Component} to verify.
     * @return the created condition.
     * @throws NullPointerException if the {@code Component} is {@code null}.
     */
    public static WaitForComponentToShowCondition untilIsShowing(@Nonnull Component c) {
      return new WaitForComponentToShowCondition(c);
    }
  
    private WaitForComponentToShowCondition(@Nonnull Component c) {
      super(concat("Component ", format(c), " to show on the screen"));
      this.c = checkNotNull(c);
    }
  
    /**
     * Indicates whether the AWT or Swing {@code Component} in this condition is showing on the screen.
     * 
     * @return {@code true} if the {@code Component} in this condition is showing on the screen, {@code false} otherwise
     */
    @Override
    public boolean test() {
      return isShowing(c);
    }
  
    /** ${@inheritDoc} */
    @Override
    protected void done() {
      c = null;
    }
  }
  