/*
* Created on Oct 8, 2007
*
* 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 @2007-2013 the original author or authors.
*/
package org.fest.swing.monitor;
import java.awt.Window;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.annotation.Nonnull;
import org.fest.swing.annotation.RunsInEDT;
/**
* Keeps track of window visibility state.
*
* @author Alex Ruiz
* @author Yvonne Wang
*/
class WindowVisibilityMonitor extends WindowAdapter implements ComponentListener {
private final Windows windows;
WindowVisibilityMonitor(@Nonnull Windows windows) {
this.windows = windows;
}
@Override
public void componentShown(ComponentEvent e) {
Object source = e.getSource();
if (!(source instanceof Window)) {
return;
}
windows.markAsShowing((Window) source);
}
@Override
public void componentHidden(ComponentEvent e) {
Object source = e.getSource();
if (!(source instanceof Window)) {
return;
}
windows.markAsHidden((Window) source);
}
@RunsInEDT
@Override
public void windowClosed(WindowEvent e) {
Window w = e.getWindow();
w.removeComponentListener(this);
w.removeWindowListener(this);
}
@Override
public void componentMoved(ComponentEvent e) {}
@Override
public void componentResized(ComponentEvent e) {}
}