DirectDistanceAttenuationControl.java

/*
 * Copyright  1990-2009 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program 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.
 * 
 * This program 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 at /legal/license.txt).
 * 
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions.
 */

package com.sun.amms.directcontrol;
import javax.microedition.amms.control.audio3d.*;

class DirectDistanceAttenuationControl extends DirectAMMSControl 
        implements DistanceAttenuationControl
{
    private native int nGetMaxDistance();
    public int getMaxDistance()
    {
        return nGetMaxDistance();
    }
        
    private native int nGetMinDistance();
    public int getMinDistance()
    {
        return nGetMinDistance();
    }
    
    private native boolean nGetMuteAfterMax();
    public boolean getMuteAfterMax()
    {
        return nGetMuteAfterMax();
    }
    
    private native int nGetRolloffFactor();
    public int getRolloffFactor()
    {
        return nGetRolloffFactor();
    }

    private native void nSetParameters(int minDistance,
                              int maxDistance,
                              boolean muteAfterMax,
                              int rolloffFactor);
    
    public void setParameters(int minDistance,
                              int maxDistance,
                              boolean muteAfterMax,
                              int rolloffFactor)
    {
        if( minDistance <= 0 || 
            maxDistance <= 0 || 
            maxDistance <= minDistance || 
            rolloffFactor < 0 )
        {
            throw new IllegalArgumentException( 
"Wrong arguments were passed to DistanceAttenuationControl.setParameters()" );
        }
        nSetParameters( minDistance, maxDistance, muteAfterMax, rolloffFactor );
    }
}