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/**
 * Copyright 2010 JogAmp Community. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are those of the
 * authors and should not be interpreted as representing official policies, either expressed
 * or implied, of JogAmp Community.
 */

package jogamp.nativewindow.windows;

import jogamp.nativewindow.Debug;

import java.util.ArrayList;

import com.jogamp.nativewindow.NativeWindowException;

public class RegisteredClassFactory {
    private static final boolean DEBUG = Debug.debug("RegisteredClass");
    private static final ArrayList registeredFactories;
    private static final long hInstance;

    static {
        hInstance = GDI.GetApplicationHandle();
        if( 0 == hInstance ) {
            throw new NativeWindowException("Error: Null ModuleHandle for Application");
        }
        registeredFactories = new ArrayList();
    }

    private final String classBaseName;
    private final long wndProc;
    private final boolean useDummyDispatchThread;
    private final long iconSmallHandle, iconBigHandle;

    private RegisteredClass sharedClass = null;
    private int classIter = 0;
    private int sharedRefCount = 0;
    private final Object sync = new Object();

    private String toHexString(final long l) { return "0x"+Long.toHexString(l); }

    @Override
    public final String toString() { return "RegisteredClassFactory[moduleHandle "+toHexString(hInstance)+", "+classBaseName+
            ", wndProc "+toHexString(wndProc)+", useDDT "+useDummyDispatchThread+", shared[refCount "+sharedRefCount+", class "+sharedClass+"]]"; }

    /**
     * Release the {@link RegisteredClass} of all {@link RegisteredClassFactory}.
     */
    public static void shutdownSharedClasses() {
        synchronized(registeredFactories) {
            if( DEBUG ) {
                System.err.println("RegisteredClassFactory.shutdownSharedClasses: "+registeredFactories.size());
            }
            for(int j=0; j