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	/*
	* Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* 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).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	package com.sun.java.swing.plaf.motif;

	import sun.swing.SwingUtilities2;
	import java.awt.*;
	import java.awt.event.*;
	import javax.swing.*;
	import javax.swing.border.*;
	import javax.swing.plaf.*;
	import javax.swing.plaf.basic.*;
	import java.beans.*;
	import java.util.EventListener;
	import java.io.Serializable;

	import sun.awt.AWTAccessor;
	import sun.awt.AWTAccessor.MouseEventAccessor;

	/**
	* Motif rendition of the component.
	*
	* @author Thomas Ball
	* @author Rich Schiavi
	*/
	public class MotifDesktopIconUI extends BasicDesktopIconUI
	{
	protected DesktopIconActionListener desktopIconActionListener;
	protected DesktopIconMouseListener desktopIconMouseListener;

	protected Icon defaultIcon;
	protected IconButton iconButton;
	protected IconLabel iconLabel;

	// This is only used for its system menu, but we need a reference to it so
	// we can remove its listeners.
	private MotifInternalFrameTitlePane sysMenuTitlePane;

	JPopupMenu systemMenu;
	EventListener mml;

	final static int LABEL_HEIGHT = 18;
	final static int LABEL_DIVIDER = 4; // padding between icon and label

	final static Font defaultTitleFont =
	new Font(Font.SANS_SERIF, Font.PLAIN, 12);

	public static ComponentUI createUI(JComponent c) {
	return new MotifDesktopIconUI();
	}

	public MotifDesktopIconUI() {
	}

	protected void installDefaults(){
	super.installDefaults();
	setDefaultIcon(UIManager.getIcon("DesktopIcon.icon"));
	iconButton = createIconButton(defaultIcon);
	// An underhanded way of creating a system popup menu.
	sysMenuTitlePane = new MotifInternalFrameTitlePane(frame);
	systemMenu = sysMenuTitlePane.getSystemMenu();

	MotifBorders.FrameBorder border = new MotifBorders.FrameBorder(desktopIcon);
	desktopIcon.setLayout(new BorderLayout());
	iconButton.setBorder(border);
	desktopIcon.add(iconButton, BorderLayout.CENTER);
	iconLabel = createIconLabel(frame);
	iconLabel.setBorder(border);
	desktopIcon.add(iconLabel, BorderLayout.SOUTH);
	desktopIcon.setSize(desktopIcon.getPreferredSize());
	desktopIcon.validate();
	JLayeredPane.putLayer(desktopIcon, JLayeredPane.getLayer(frame));
	}

	protected void installComponents(){
	}

	protected void uninstallComponents(){
	}

	protected void installListeners(){
	super.installListeners();
	desktopIconActionListener = createDesktopIconActionListener();
	desktopIconMouseListener = createDesktopIconMouseListener();
	iconButton.addActionListener(desktopIconActionListener);
	iconButton.addMouseListener(desktopIconMouseListener);
	iconLabel.addMouseListener(desktopIconMouseListener);
	}

	JInternalFrame.JDesktopIcon getDesktopIcon(){
	return desktopIcon;
	}

	void setDesktopIcon(JInternalFrame.JDesktopIcon d){
	desktopIcon = d;
	}

	JInternalFrame getFrame(){
	return frame;
	}

	void setFrame(JInternalFrame f){
	frame = f ;
	}

	protected void showSystemMenu(){
	systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
	}

	protected void hideSystemMenu(){
	systemMenu.setVisible(false);
	}

	protected IconLabel createIconLabel(JInternalFrame frame){
	return new IconLabel(frame);
	}

	protected IconButton createIconButton(Icon i){
	return new IconButton(i);
	}

	protected DesktopIconActionListener createDesktopIconActionListener(){
	return new DesktopIconActionListener();
	}

	protected DesktopIconMouseListener createDesktopIconMouseListener(){
	return new DesktopIconMouseListener();
	}

	protected void uninstallDefaults(){
	super.uninstallDefaults();
	desktopIcon.setLayout(null);
	desktopIcon.remove(iconButton);
	desktopIcon.remove(iconLabel);
	}

	protected void uninstallListeners(){
	super.uninstallListeners();
	iconButton.removeActionListener(desktopIconActionListener);
	iconButton.removeMouseListener(desktopIconMouseListener);
	sysMenuTitlePane.uninstallListeners();
	}

	public Dimension getMinimumSize(JComponent c) {
	JInternalFrame iframe = desktopIcon.getInternalFrame();

	int w = defaultIcon.getIconWidth();
	int h = defaultIcon.getIconHeight() + LABEL_HEIGHT + LABEL_DIVIDER;

	Border border = iframe.getBorder();
	if(border != null) {
	w += border.getBorderInsets(iframe).left +
	border.getBorderInsets(iframe).right;
	h += border.getBorderInsets(iframe).bottom +
	border.getBorderInsets(iframe).top;
	}

	return new Dimension(w, h);
	}

	public Dimension getPreferredSize(JComponent c) {
	return getMinimumSize(c);
	}

	public Dimension getMaximumSize(JComponent c){
	return getMinimumSize(c);
	}

	/**
	* Returns the default desktop icon.
	*/
	public Icon getDefaultIcon() {
	return defaultIcon;
	}

	/**
	* Sets the icon used as the default desktop icon.
	*/
	public void setDefaultIcon(Icon newIcon) {
	defaultIcon = newIcon;
	}

	protected class IconLabel extends JPanel {
	JInternalFrame frame;

	IconLabel(JInternalFrame f) {
	super();
	this.frame = f;
	setFont(defaultTitleFont);

	// Forward mouse events to titlebar for moves.
	addMouseMotionListener(new MouseMotionListener() {
	public void mouseDragged(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseMoved(MouseEvent e) {
	forwardEventToParent(e);
	}
	});
	addMouseListener(new MouseListener() {
	public void mouseClicked(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mousePressed(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseReleased(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseEntered(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseExited(MouseEvent e) {
	forwardEventToParent(e);
	}
	});
	}

	void forwardEventToParent(MouseEvent e) {
	MouseEvent newEvent = new MouseEvent(
	getParent(), e.getID(), e.getWhen(), e.getModifiers(),
	e.getX(), e.getY(), e.getXOnScreen(),
	e.getYOnScreen(), e.getClickCount(),
	e.isPopupTrigger(), MouseEvent.NOBUTTON);
	MouseEventAccessor meAccessor = AWTAccessor.getMouseEventAccessor();
	meAccessor.setCausedByTouchEvent(newEvent,
	meAccessor.isCausedByTouchEvent(e));
	getParent().dispatchEvent(newEvent);
	}

	public boolean isFocusTraversable() {
	return false;
	}

	public Dimension getMinimumSize() {
	return new Dimension(defaultIcon.getIconWidth() + 1,
	LABEL_HEIGHT + LABEL_DIVIDER);
	}

	public Dimension getPreferredSize() {
	String title = frame.getTitle();
	FontMetrics fm = frame.getFontMetrics(defaultTitleFont);
	int w = 4;
	if (title != null) {
	w += SwingUtilities2.stringWidth(frame, fm, title);
	}
	return new Dimension(w, LABEL_HEIGHT + LABEL_DIVIDER);
	}

	public void paint(Graphics g) {
	super.paint(g);

	// touch-up frame
	int maxX = getWidth() - 1;
	Color shadow =
	UIManager.getColor("inactiveCaptionBorder").darker().darker();
	g.setColor(shadow);
	g.setClip(0, 0, getWidth(), getHeight());
	g.drawLine(maxX - 1, 1, maxX - 1, 1);
	g.drawLine(maxX, 0, maxX, 0);

	// fill background
	g.setColor(UIManager.getColor("inactiveCaption"));
	g.fillRect(2, 1, maxX - 3, LABEL_HEIGHT + 1);

	// draw text -- clipping to truncate text like CDE/Motif
	g.setClip(2, 1, maxX - 4, LABEL_HEIGHT);
	int y = LABEL_HEIGHT - SwingUtilities2.getFontMetrics(frame, g).
	getDescent();
	g.setColor(UIManager.getColor("inactiveCaptionText"));
	String title = frame.getTitle();
	if (title != null) {
	SwingUtilities2.drawString(frame, g, title, 4, y);
	}
	}
	}

	protected class IconButton extends JButton {
	Icon icon;

	IconButton(Icon icon) {
	super(icon);
	this.icon = icon;
	// Forward mouse events to titlebar for moves.
	addMouseMotionListener(new MouseMotionListener() {
	public void mouseDragged(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseMoved(MouseEvent e) {
	forwardEventToParent(e);
	}
	});
	addMouseListener(new MouseListener() {
	public void mouseClicked(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mousePressed(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseReleased(MouseEvent e) {
	if (!systemMenu.isShowing()) {
	forwardEventToParent(e);
	}
	}
	public void mouseEntered(MouseEvent e) {
	forwardEventToParent(e);
	}
	public void mouseExited(MouseEvent e) {
	forwardEventToParent(e);
	}
	});
	}

	void forwardEventToParent(MouseEvent e) {
	MouseEvent newEvent = new MouseEvent(
	getParent(), e.getID(), e.getWhen(), e.getModifiers(),
	e.getX(), e.getY(), e.getXOnScreen(), e.getYOnScreen(),
	e.getClickCount(), e.isPopupTrigger(), MouseEvent.NOBUTTON );
	MouseEventAccessor meAccessor = AWTAccessor.getMouseEventAccessor();
	meAccessor.setCausedByTouchEvent(newEvent,
	meAccessor.isCausedByTouchEvent(e));
	getParent().dispatchEvent(newEvent);
	}

	public boolean isFocusTraversable() {
	return false;
	}
	}


	protected class DesktopIconActionListener implements ActionListener {
	public void actionPerformed(ActionEvent e){
	systemMenu.show(iconButton, 0, getDesktopIcon().getHeight());
	}
	}

	protected class DesktopIconMouseListener extends MouseAdapter {
	// if we drag or move we should deengage the popup
	public void mousePressed(MouseEvent e){
	if (e.getClickCount() > 1) {
	try {
	getFrame().setIcon(false);
	} catch (PropertyVetoException e2){ }
	systemMenu.setVisible(false);
	/* the mouse release will not get reported correctly,
	because the icon will no longer be in the hierarchy;
	maybe that should be fixed, but until it is, we need
	to do the required cleanup here. */
	getFrame().getDesktopPane().getDesktopManager().endDraggingFrame((JComponent)e.getSource());
	}
	}
	}
	}

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