| Clover Coverage Report - FEST Swing 1.2 |
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| WindowAncestorFinder | Line # 34 | 9 | 5.3% | 5 | 0 | 100% |
1.0
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| No Tests | |||
| 1 | /* | |
| 2 | * Created on Mar 30, 2008 | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | |
| 5 | * in compliance with the License. You may obtain a copy of the License at | |
| 6 | * | |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 8 | * | |
| 9 | * Unless required by applicable law or agreed to in writing, software distributed under the License | |
| 10 | * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express | |
| 11 | * or implied. See the License for the specific language governing permissions and limitations under | |
| 12 | * the License. | |
| 13 | * | |
| 14 | * Copyright @2008-2010 the original author or authors. | |
| 15 | */ | |
| 16 | package org.fest.swing.core; | |
| 17 | ||
| 18 | import static org.fest.swing.awt.AWT.invokerOf; | |
| 19 | ||
| 20 | import java.awt.Component; | |
| 21 | import java.awt.Window; | |
| 22 | ||
| 23 | import javax.swing.MenuElement; | |
| 24 | ||
| 25 | import org.fest.swing.annotation.RunsInCurrentThread; | |
| 26 | import org.fest.swing.hierarchy.ComponentHierarchy; | |
| 27 | import org.fest.swing.hierarchy.ExistingHierarchy; | |
| 28 | ||
| 29 | /** | |
| 30 | * Understands lookup of a component's <code>{@link java.awt.Window ancestor}</code>. | |
| 31 | * | |
| 32 | * @author Yvonne Wang | |
| 33 | */ | |
| 34 | public final class WindowAncestorFinder { | |
| 35 | ||
| 36 | private static ComponentHierarchy hierarchy = new ExistingHierarchy(); | |
| 37 | ||
| 38 | /** | |
| 39 | * Similar to <code>{@link javax.swing.SwingUtilities#getWindowAncestor(Component)}</code>, but returns the | |
| 40 | * <code>{@link Component}</code> itself if it is a <code>{@link Window}</code>, or the invoker's <code>Window</code> | |
| 41 | * if on a pop-up. | |
| 42 | * <p> | |
| 43 | * <b>Note:</b> This method is <b>not</b> guaranteed to be executed in the event dispatch thread (EDT.) Clients are | |
| 44 | * responsible for calling this method from the EDT. | |
| 45 | * </p> | |
| 46 | * @param c the <code>Component</code> to get the <code>Window</code> ancestor of. | |
| 47 | * @return the <code>Window</code> ancestor of the given <code>Component</code>, the <code>Component</code> itself if | |
| 48 | * it is a <code>Window</code>, or the invoker's <code>Window</code> if on a pop-up. | |
| 49 | */ | |
| 50 | 1802 |
 @RunsInCurrentThread |
| 51 | public static Window windowAncestorOf(Component c) { | |
| 52 | 2 | if (c == null) return null; |
| 53 | 366 | if (c instanceof Window) return (Window) c; |
| 54 | 1434 | if (c instanceof MenuElement) { |
| 55 | 24 | Component invoker = invokerOf(c); |
| 56 | 11 | if (invoker != null) return windowAncestorOf(invoker); |
| 57 | } | |
| 58 | 1423 | return windowAncestorOf(hierarchy.parentOf(c)); |
| 59 | } | |
| 60 | ||
| 61 |
private WindowAncestorFinder() {} |
|
| 62 | } | |
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