/*
* Created on Oct 9, 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 static java.awt.AWTEvent.MOUSE_EVENT_MASK;
import static java.awt.AWTEvent.MOUSE_MOTION_EVENT_MASK;
import static java.awt.AWTEvent.PAINT_EVENT_MASK;
import static javax.swing.SwingUtilities.getWindowAncestor;
import static org.fest.swing.listener.WeakEventListener.attachAsWeakEventListener;
import java.awt.AWTEvent;
import java.awt.Component;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.AWTEventListener;
import java.awt.event.MouseEvent;
import javax.annotation.Nonnull;
import org.fest.swing.annotation.RunsInEDT;
/**
* Event listener that monitors when a window is ready to receive OS-level event input.
*
* @author Alex Ruiz
*/
final class WindowAvailabilityMonitor implements AWTEventListener {
private static final long EVENT_MASK = MOUSE_MOTION_EVENT_MASK | MOUSE_EVENT_MASK | PAINT_EVENT_MASK;
private final Windows windows;
WindowAvailabilityMonitor(@Nonnull Windows windows) {
this.windows = windows;
}
void attachTo(@Nonnull Toolkit toolkit) {
attachAsWeakEventListener(toolkit, this, EVENT_MASK);
}
@RunsInEDT
@Override
public void eventDispatched(AWTEvent e) {
if (!(e instanceof MouseEvent)) {
return;
}
Object source = e.getSource();
if (!(source instanceof Component)) {
return;
}
Component c = (Component) source;
Window w = c instanceof Window ? (Window) c : getWindowAncestor(c);
windows.markAsReady(w);
}
}