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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.apple.eawt.event;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JRootPane;
/**
* Registration utility class to add {@link GestureListener}s to Swing components.
*
* This class manages the relationship between {@link JComponent}s and the {@link GestureListener}s
* attached to them. It adds additional functionality to AWT Windows, without adding new API to the
* {@link java.awt.Window} class.
*
* To add a {@link GestureListener} to a top-level Swing window, use the {@link JRootPane} of the
* top-level window type.
*
* @see GestureAdapter
* @see JFrame#getRootPane()
*
* @since Java for Mac OS X 10.5 Update 7, Java for Mac OS X 10.6 Update 2
*/
public final class GestureUtilities {
GestureUtilities() {
// package private
}
/**
* Attaches a {@link GestureListener} to the specified {@link JComponent}.
* @param component to attach the {@link GestureListener} to
* @param listener to be notified when a gesture occurs
*/
public static void addGestureListenerTo(final JComponent component, final GestureListener listener) {
if (component == null || listener == null) throw new NullPointerException();
GestureHandler.addGestureListenerTo(component, listener);
}
/**
* Removes a {@link GestureListener} from the specified {@link JComponent}
* @param component to remove the {@link GestureListener} from
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