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This is a backport of OpenJFX 8 to run on Java 7.
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/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 */
package com.sun.webkit;

import java.util.HashMap;
import java.util.Map;

import com.sun.webkit.graphics.WCImage;
import com.sun.webkit.graphics.WCImageFrame;

public abstract class CursorManager {

    public static final int POINTER                      =  0;
    public static final int CROSS                        =  1;
    public static final int HAND                         =  2;
    public static final int MOVE                         =  3;
    public static final int TEXT                         =  4;
    public static final int WAIT                         =  5;
    public static final int HELP                         =  6;
    public static final int EAST_RESIZE                  =  7;
    public static final int NORTH_RESIZE                 =  8;
    public static final int NORTH_EAST_RESIZE            =  9;
    public static final int NORTH_WEST_RESIZE            = 10;
    public static final int SOUTH_RESIZE                 = 11;
    public static final int SOUTH_EAST_RESIZE            = 12;
    public static final int SOUTH_WEST_RESIZE            = 13;
    public static final int WEST_RESIZE                  = 14;
    public static final int NORTH_SOUTH_RESIZE           = 15;
    public static final int EAST_WEST_RESIZE             = 16;
    public static final int NORTH_EAST_SOUTH_WEST_RESIZE = 17;
    public static final int NORTH_WEST_SOUTH_EAST_RESIZE = 18;
    public static final int COLUMN_RESIZE                = 19;
    public static final int ROW_RESIZE                   = 20;
    public static final int MIDDLE_PANNING               = 21;
    public static final int EAST_PANNING                 = 22;
    public static final int NORTH_PANNING                = 23;
    public static final int NORTH_EAST_PANNING           = 24;
    public static final int NORTH_WEST_PANNING           = 25;
    public static final int SOUTH_PANNING                = 26;
    public static final int SOUTH_EAST_PANNING           = 27;
    public static final int SOUTH_WEST_PANNING           = 28;
    public static final int WEST_PANNING                 = 29;
    public static final int VERTICAL_TEXT                = 30;
    public static final int CELL                         = 31;
    public static final int CONTEXT_MENU                 = 32;
    public static final int NO_DROP                      = 33;
    public static final int NOT_ALLOWED                  = 34;
    public static final int PROGRESS                     = 35;
    public static final int ALIAS                        = 36;
    public static final int ZOOM_IN                      = 37;
    public static final int ZOOM_OUT                     = 38;
    public static final int COPY                         = 39;
    public static final int NONE                         = 40;
    public static final int GRAB                         = 41;
    public static final int GRABBING                     = 42;

    private static CursorManager instance;

    public static void setCursorManager(CursorManager manager) {
        instance = manager;
    }

    public static CursorManager getCursorManager() {
        return instance;
    }

    private final Map map = new HashMap();

    protected abstract T getCustomCursor(WCImage image, int hotspotX, int hotspotY);

    protected abstract T getPredefinedCursor(int type);

    private long getCustomCursorID(WCImageFrame frame, int hotspotX, int hotspotY) {
        return putCursor(getCustomCursor(frame.getFrame(), hotspotX, hotspotY));
    }

    private long getPredefinedCursorID(int type) {
        return putCursor(getPredefinedCursor(type));
    }

    public final T getCursor(long id) {
        return this.map.get(id);
    }

    private long putCursor(T cursor) {
        long id = cursor.hashCode();
        this.map.put(id, cursor);
        return id;
    }
}