001    /*
002     * Created on Jul 1, 2008
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
005     * the License. You may obtain a copy of the License at
006     *
007     * http://www.apache.org/licenses/LICENSE-2.0
008     *
009     * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
010     * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
011     * specific language governing permissions and limitations under the License.
012     *
013     * Copyright @2008-2010 the original author or authors.
014     */
015    package org.fest.swing.query;
016    
017    import static org.fest.swing.edt.GuiActionRunner.execute;
018    
019    import java.awt.Component;
020    
021    import org.fest.swing.annotation.RunsInEDT;
022    import org.fest.swing.edt.GuiQuery;
023    
024    /**
025     * Understands an action, executed in the event dispatch thread, that indicates whether a <code>{@link Component}</code>
026     * is showing or not.
027     * @see Component#isShowing()
028     *
029     * @author Alex Ruiz
030     * @author Yvonne Wang
031     */
032    public final class ComponentShowingQuery {
033    
034      /**
035       * Indicates whether the given <code>{@link Component}</code> is showing or not. This action is executed in the event
036       * dispatch thread.
037       * @param component the given <code>Component</code>.
038       * @return <code>true</code> if the given <code>Component</code> is showing, <code>false</code> otherwise.
039       * @see Component#isShowing()
040       */
041      @RunsInEDT
042      public static boolean isShowing(final Component component) {
043        return execute(new GuiQuery<Boolean>() {
044          protected Boolean executeInEDT() {
045            return component.isShowing();
046          }
047        });
048      }
049    
050      private ComponentShowingQuery() {}
051    }