ControllerConnector.java

package org.kvj.bravo7;

import org.kvj.bravo7.SuperService.LocalBinder;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;

public class ControllerConnector<A extends ApplicationContext, T extends Object, S extends SuperService<T, A>>
		implements ServiceConnection {

	private static final String TAG = "ControllerConnector";
	private Context activity = null;
	private ControllerReceiver<T> receiver = null;
	@SuppressWarnings("rawtypes")
	private LocalBinder localBinder = null;

	public ControllerConnector(Context activity, ControllerReceiver<T> receiver) {
		this.activity = activity;
		this.receiver = receiver;
	}

	public interface ControllerReceiver<T> {
		public void onController(T controller);
	}

	public void onServiceDisconnected(ComponentName arg0) {
		// Log.i(TAG, "[" + activity.getClass().getSimpleName()
		// + "]service disconnected");
		localBinder = null;
		receiver.onController(null);
	}

	@SuppressWarnings("rawtypes")
	public void onServiceConnected(ComponentName name, IBinder service) {
		// Log.i(TAG, "[" + activity.getClass().getSimpleName()
		// + "]service connected: " + service);
		localBinder = (LocalBinder) service;
		receiver.onController(getController());
	}

	public void connectController(Class<S> cl) {
		Intent intent = new Intent(activity, cl);
		activity.bindService(intent, this, Context.BIND_AUTO_CREATE);
	}

	public void disconnectController() {
		if (localBinder != null) {
			activity.unbindService(this);
		}
	}

	@SuppressWarnings("unchecked")
	public T getController() {
		if (localBinder == null) {
			return null;
		}
		return (T) localBinder.getController();
	}
}