Pharmacies/src/org/r3pek/pharmacies/PharmaciesOverlay.java

package org.r3pek.pharmacies;

import java.util.LinkedList;

import org.r3pek.pharmacies.utils.GeoUtils;
import org.r3pek.pharmacies.utils.GlobalVars;
import org.r3pek.pharmacies.widgets.Compass;
import org.r3pek.pharmacies.widgets.ImageRotater;

import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.graphics.drawable.Drawable;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.ItemizedOverlay;
import com.google.android.maps.MapView;
import com.google.android.maps.OverlayItem;
import com.google.android.maps.MapView.LayoutParams;

public class PharmaciesOverlay extends ItemizedOverlay<OverlayItem> {
	private Context ctx;
	private MapView mapView;
	private View shownView;
	private SensorManager sm; 
	private ImageRotater cRotator;
	private Compass compass;
	private LinkedList<Pharmacy> pharmacies;
	
	public PharmaciesOverlay(Drawable defaultMarker, Context ctx, MapView mapView) {
		super(boundCenterBottom(defaultMarker));
		this.ctx = ctx;
		this.mapView = mapView;
		shownView = null;
		populate();
        sm = (SensorManager)ctx.getSystemService(Context.SENSOR_SERVICE);
        cRotator = new ImageRotater();
        pharmacies = new LinkedList<Pharmacy>();
	}

	@Override
	protected synchronized OverlayItem createItem(int i) {
		Pharmacy p = pharmacies.get(i);
		OverlayItem result = new OverlayItem(p.getGeoPoint(), p.getName(), "");
		if (p.isAtService()) 
			result.setMarker(boundCenterBottom(ctx.getResources().getDrawable(R.drawable.pin_on)));
		return result;
	}

	@Override
	public synchronized int size() {
		if (pharmacies == null) return 0;
		return pharmacies.size();
	}
	
	@Override
	protected boolean onTap(final int i) {
		if (mapView.getChildCount() > 0) return true;
		LayoutInflater inflater = (LayoutInflater)ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		LinearLayout ll = (LinearLayout)inflater.inflate(R.layout.pharmacy_balloon, null);
		
		final Pharmacy pharm = GlobalVars.getPharmacies().get(i);
		LayoutParams lp = new LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT, pharm.getGeoPoint(), 0, -70, LayoutParams.MODE_MAP | LayoutParams.CENTER);

		TextView tvName = (TextView)ll.findViewById(R.id.tvBalloonName);
		TextView tvDistance = (TextView)ll.findViewById(R.id.tvDistance);
		ImageView ivStatus = (ImageView)ll.findViewById(R.id.ivStatus);
		Button btnDetalhes = (Button)ll.findViewById(R.id.btnBalloonDetalhes);
		Button btnTelef = (Button)ll.findViewById(R.id.btnBalloonTelef);
		Button btnNav = (Button)ll.findViewById(R.id.btnBalloonNav);
		compass = (Compass)ll.findViewById(R.id.compass);
		
		btnTelef.setEnabled(!pharm.getPhoneNumber().equals(""));
        compass.setBearing(GeoUtils.bearing(GlobalVars.positioner.getLastGeoPoint(), pharm.getGeoPoint()));
        compass.setOrientation(cRotator.getLastOrientation());
        sm.registerListener(cRotator, sm.getDefaultSensor(Sensor.TYPE_ORIENTATION), SensorManager.SENSOR_DELAY_NORMAL);
		cRotator.addImage(compass);
		tvName.setText(pharm.getName());
		tvDistance.setText(pharm.getDistance().substring(0, pharm.getDistance().indexOf(".")) + "m");
		ivStatus.setBackgroundResource(pharm.isAtService() ? R.drawable.status_on : R.drawable.status_off);
		btnDetalhes.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent pharmInfo = new Intent(ctx, PharmacyInfo.class);
				pharmInfo.putExtra("org.r3pek.pharmacies.Pharmacy", pharm);
				pharmInfo.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				ctx.startActivity(pharmInfo);
			}
		});
		btnTelef.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent = new Intent(Intent.ACTION_DIAL, Uri.parse("tel:" + pharm.getPhoneNumber()));
				intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				ctx.startActivity(intent);
			}
		});
		btnNav.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
		        StringBuilder url = new StringBuilder(); 
		        url.append("http://maps.google.com/maps?f=d&hl=en"); 
		        url.append("&saddr=");
		        url.append( Double.toString((double)GlobalVars.positioner.getLastGeoPoint().getLatitudeE6()/1.0E6 )); 
		        url.append(","); 
		        url.append( Double.toString((double)GlobalVars.positioner.getLastGeoPoint().getLongitudeE6()/1.0E6 )); 
		        url.append("&daddr=");
		        url.append( Double.toString((double)pharm.getGeoPoint().getLatitudeE6()/1.0E6 )); 
		        url.append(","); 
		        url.append( Double.toString((double)pharm.getGeoPoint().getLongitudeE6()/1.0E6 ));   
		        url.append("&dirflg=d&nav=1"); 
				Intent intent = new Intent(Intent.ACTION_VIEW);
				intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				intent.setData(Uri.parse(url.toString()));
				intent.addFlags(0x10800000);
				intent.setClassName("com.google.android.apps.m4ps", "com.google.android.maps.driveabout.app.NavigationActivity");
				
				try {
					ctx.startActivity(intent); 
				} catch (ActivityNotFoundException e) {
					intent.setClassName("com.google.android.apps.maps", "com.google.android.maps.driveabout.app.NavigationActivity");
					try {
						ctx.startActivity(intent);
					} catch (ActivityNotFoundException e2) { }
				}
			}
		});

		shownView = ll;
		mapView.addView(ll, lp);
		mapView.getController().animateTo(pharm.getGeoPoint());

		return super.onTap(i);
	}
	
	public void removeBallon() {
		cRotator.delImage(compass);
		sm.unregisterListener(cRotator);
		mapView.removeView(shownView);
	}
	
	@Override
	public boolean onTap(GeoPoint p, MapView map) {
		removeBallon();
		return super.onTap(p, map);
	}
	
	public synchronized void refresh() {
		pharmacies.clear();
		for (Pharmacy p : GlobalVars.getPharmacies())
			pharmacies.add(p);
		populate();
	}
	
}