GPSPhidget.java

Go to the documentation of this file.

/*
 * Copyright 2012 Phidgets Inc.  All rights reserved.
 */

package com.phidgets;
import java.util.Iterator;
import java.util.LinkedList;
import com.phidgets.event.*;
import java.util.Calendar;
public final class GPSPhidget extends Phidget
{
        public GPSPhidget () throws PhidgetException
        {
                super (create ());
        }
        private static native long create () throws PhidgetException;

        public native double getLatitude () throws PhidgetException;
        public native double getLongitude () throws PhidgetException;
        public native double getAltitude () throws PhidgetException;
        public native double getHeading () throws PhidgetException;
        public native double getVelocity () throws PhidgetException;
        public native Calendar getDateAndTime () throws PhidgetException;
        public native boolean getPositionFixStatus () throws PhidgetException;

        private final void enableDeviceSpecificEvents (boolean b)
        {
                enableGPSPositionFixStatusChangeEvents (b && gpsPositionFixStatusChangeListeners.size () > 0);
                enableGPSPositionChangeEvents (b && gpsPositionChangeListeners.size () > 0);
        }
        public final void addGPSPositionFixStatusChangeListener (GPSPositionFixStatusChangeListener l)
        {
                synchronized (gpsPositionFixStatusChangeListeners)
                {
                        gpsPositionFixStatusChangeListeners.add (l);
                        enableGPSPositionFixStatusChangeEvents (true);
        }} private LinkedList gpsPositionFixStatusChangeListeners = new LinkedList ();
        private long nativeGPSPositionFixStatusChangeHandler = 0;
        public final void removeGPSPositionFixStatusChangeListener (GPSPositionFixStatusChangeListener l)
        {
                synchronized (gpsPositionFixStatusChangeListeners)
                {
                        gpsPositionFixStatusChangeListeners.remove (l);
                        enableGPSPositionFixStatusChangeEvents (gpsPositionFixStatusChangeListeners.size () > 0);
        }} private void fireGPSPositionFixStatusChange (GPSPositionFixStatusChangeEvent e)
        {
                synchronized (gpsPositionFixStatusChangeListeners)
                {
                        for (Iterator it = gpsPositionFixStatusChangeListeners.iterator (); it.hasNext ();)
                                ((GPSPositionFixStatusChangeListener) it.next ()).gpsPositionFixStatusChanged (e);
                }
        }
        private native void enableGPSPositionFixStatusChangeEvents (boolean b);
        public final void addGPSPositionChangeListener (GPSPositionChangeListener l)
        {
                synchronized (gpsPositionChangeListeners)
                {
                        gpsPositionChangeListeners.add (l);
                        enableGPSPositionChangeEvents (true);
        }} private LinkedList gpsPositionChangeListeners = new LinkedList ();
        private long nativeGPSPositionChangeHandler = 0;
        public final void removeGPSPositionChangeListener (GPSPositionChangeListener l)
        {
                synchronized (gpsPositionChangeListeners)
                {
                        gpsPositionChangeListeners.remove (l);
                        enableGPSPositionChangeEvents (gpsPositionChangeListeners.size () > 0);
        }} private void fireGPSPositionChange (GPSPositionChangeEvent e)
        {
                synchronized (gpsPositionChangeListeners)
                {
                        for (Iterator it = gpsPositionChangeListeners.iterator (); it.hasNext ();)
                                ((GPSPositionChangeListener) it.next ()).gpsPositionChanged (e);
                }
        }
        private native void enableGPSPositionChangeEvents (boolean b);
}