nimbusdefaults.java

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/*
 * NimbusDefaults.java %E%
 *
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.java.swing.plaf.nimbus;

import com.sun.java.swing.Painter;
import java.awt.Graphics;
import sun.font.FontManager;
import sun.swing.plaf.synth.DefaultSynthStyle;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JInternalFrame;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.plaf.BorderUIResource;
import javax.swing.plaf.ColorUIResource;
import javax.swing.plaf.DimensionUIResource;
import javax.swing.plaf.FontUIResource;
import javax.swing.plaf.InsetsUIResource;
import javax.swing.plaf.synth.Region;
import javax.swing.plaf.synth.SynthStyle;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.image.BufferedImage;
import static java.awt.image.BufferedImage.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.lang.ref.WeakReference;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.WeakHashMap;
import javax.swing.border.Border;
import javax.swing.plaf.UIResource;

/**
 * This class contains all the implementation details related to
 * Nimbus. It contains all the code for initializing the UIDefaults table,
 * as well as for selecting
 * a SynthStyle based on a JComponent/Region pair.
 *
 * @author Richard Bair
 */
final class NimbusDefaults {
    /**
     * The map of SynthStyles. This map is keyed by Region. Each Region maps
     * to a List of LazyStyles. Each LazyStyle has a reference to the prefix
     * that was registered with it. This reference can then be inspected to see
     * if it is the proper lazy style.
     * <p/>
     * There can be more than one LazyStyle for a single Region if there is more
     * than one prefix defined for a given region. For example, both Button and
     * "MyButton" might be prefixes assigned to the Region.Button region.
     */
    private Map<Region, List<LazyStyle>> m;
    /**
     * A map of regions which have been registered.
     * This mapping is maintained so that the Region can be found based on
     * prefix in a very fast manner. This is used in the "matches" method of
     * LazyStyle.
     */
    private Map<String, Region> registeredRegions =
            new HashMap<String, Region>();
    /**
     * Our fallback style to avoid NPEs if the proper style cannot be found in
     * this class. Not sure if relying on DefaultSynthStyle is the best choice.
     */
    private DefaultSynthStyle defaultStyle;
    /**
     * The default font that will be used. I store this value so that it can be
     * set in the UIDefaults when requested.
     */
    private FontUIResource defaultFont;

    /**
     * Map of lists of derived colors keyed by the DerivedColorKeys
     */
    private Map<DerivedColorKey, DerivedColor> derivedColorsMap =
            new HashMap<DerivedColorKey, DerivedColor>();

    /** Tempory key used for fetching from the derivedColorsMap */
    private final DerivedColorKey tmpDCKey = new DerivedColorKey();

    /** Listener for changes to user defaults table */
    private DefaultsListener defaultsListener = new DefaultsListener();

    /** Called by UIManager when this look and feel is installed. */
    void initialize() {
        // add listener for derived colors