001 /* 002 * Created on Oct 31, 2007 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 @2007-2010 the original author or authors. 014 */ 015 package org.fest.swing.hierarchy; 016 017 import static javax.swing.SwingUtilities.invokeLater; 018 import static org.fest.swing.util.AWTEvents.*; 019 020 import java.awt.AWTEvent; 021 import java.awt.Window; 022 import java.awt.event.AWTEventListener; 023 024 import org.fest.swing.annotation.RunsInEDT; 025 026 /** 027 * Understands automatic filtering of auto-generated Swing dialogs. 028 * 029 * @author Alex Ruiz 030 */ 031 public final class TransientWindowListener implements AWTEventListener { 032 033 private final WindowFilter filter; 034 035 TransientWindowListener(WindowFilter filter) { 036 this.filter = filter; 037 } 038 039 /** {@inheritDoc} */ 040 @RunsInEDT 041 public void eventDispatched(AWTEvent e) { 042 if (windowOpened(e) || windowShown(e)) { 043 filter(sourceOf(e)); 044 return; 045 } 046 if (windowClosed(e)) { 047 final Window w = sourceOf(e); 048 // *Any* window disposal should result in the window being ignored, at least until it is again displayed. 049 if (filter.isIgnored(w)) return; 050 filter.implicitlyIgnore(w); 051 // Filter this window only *after* any handlers for this event have finished. 052 invokeLater(new IgnoreWindowTask(w, filter)); 053 } 054 } 055 056 private Window sourceOf(AWTEvent e) { 057 return (Window) e.getSource(); 058 } 059 060 private void filter(Window w) { 061 if (filter.isImplicitlyIgnored(w)) { 062 filter.recognize(w); 063 return; 064 } 065 // Catch new sub-windows of filtered windows (i.e. dialogs generated by a test harness UI). 066 filterIfParentIsFiltered(w); 067 } 068 069 private void filterIfParentIsFiltered(Window w) { 070 if (!filter.isIgnored(w.getParent())) return; 071 filter.ignore(w); 072 } 073 }