GuidingScreen.java

/*
  * This file is part of WhereYouGo.
  *
  * WhereYouGo is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
  *
  * WhereYouGo 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 for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with WhereYouGo.  If not, see <http://www.gnu.org/licenses/>.
  *
  * Copyright (C) 2012 Menion <whereyougo@asamm.cz>
  */ 

package menion.android.whereyougo.guiding;

import locus.api.objects.extra.Location;
import menion.android.whereyougo.R;
import menion.android.whereyougo.gui.extension.CustomActivity;
import menion.android.whereyougo.hardware.location.LocationState;
import menion.android.whereyougo.hardware.sensors.OrientationListener;
import menion.android.whereyougo.utils.A;
import menion.android.whereyougo.utils.UtilsFormat;
import android.os.Bundle;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.TextView;

/**
 * @author menion
 * @since 25.1.2010 2010
 */
public class GuidingScreen extends CustomActivity implements GuidingListener, OrientationListener {

//	private static final String TAG = "GuidingScreen";
	
	private CompassView viewCompass;
	
	private TextView viewLat;
	private TextView viewLon;
	private TextView viewAlt;
	private TextView viewAcc;
	private TextView viewSpeed;
	private TextView viewTimeToTarget;
	
	/** azimuth from compass */
	private float mAzimuth;
	private float mPitch;
	private float mRoll;
	// azimuth to target
	private float azimuthToTarget;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout_guiding_screen);
        
        mAzimuth = 0.0f;
        mPitch = 0.0f;
        mRoll = 0.0f;
        
        azimuthToTarget = 0.0f;
        
        viewCompass = new CompassView(this);
        ((LinearLayout) findViewById(R.id.linearLayoutCompass)).addView(
        		viewCompass, LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
        
		viewAlt = (TextView) findViewById(R.id.textViewAltitude);
        viewSpeed = (TextView) findViewById(R.id.textViewSpeed);
        viewAcc = (TextView) findViewById(R.id.textViewAccuracy);
    	viewLat = (TextView) findViewById(R.id.textViewLatitude);
    	viewLon = (TextView) findViewById(R.id.textViewLongitude);
    	viewTimeToTarget = (TextView) findViewById(R.id.text_view_time_to_target);

    	onOrientationChanged(mAzimuth, mPitch, mRoll);
    }
    
    public void onStart() {
    	super.onStart();
    	A.getGuidingContent().addGuidingListener(this);
   		A.getRotator().addListener(this);
    }
    
    public void onStop() {
    	super.onStop();
    	A.getGuidingContent().removeGuidingListener(this);
    	A.getRotator().removeListener(this);
    }
    
	@Override
	public void receiveGuideEvent(Guide guide, String targetName, float azimuthToTarget,
			double distanceToTarget) {
		this.azimuthToTarget = azimuthToTarget;
       	viewCompass.setDistance(distanceToTarget);
       	if (LocationState.getLocation().getSpeed() > 1) {
       		viewTimeToTarget.setText(UtilsFormat.formatTime(true,
       				(long) (distanceToTarget / LocationState.getLocation().getSpeed()) * 1000));
       	} else {
       		viewTimeToTarget.setText(UtilsFormat.formatTime(true, 0));
       	}
       	repaint();
	}
	
	@Override
	public void onOrientationChanged(float azimuth, float pitch, float roll) {
//Logger.d(TAG, "onOrientationChanged(" + azimuth + ", " + pitch + ", " + roll + ")");
		Location loc = LocationState.getLocation();
		mAzimuth = azimuth;
		mPitch = pitch;
		mRoll = roll;
		
        viewLat.setText(UtilsFormat.formatLatitude(loc.getLatitude()));
        viewLon.setText(UtilsFormat.formatLongitude(loc.getLongitude()));
        viewAlt.setText(UtilsFormat.formatAltitude(loc.getAltitude(), true));
        viewAcc.setText(UtilsFormat.formatDistance((double) loc.getAccuracy(), false));
        viewSpeed.setText(UtilsFormat.formatSpeed(loc.getSpeed(), false));
        
        repaint();
	}
	
	private void repaint() {
		viewCompass.moveAngles(azimuthToTarget, mAzimuth, mPitch, mRoll);
	}

	@Override
	public void guideStart() {
	}

	@Override
	public void guideStop() {
	}

	@Override
	public void trackGuideCallRecalculate() {
		// ignore
	}
}