package com.demo.lib.common.content;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class ConnectivityChangeHelper {
    
    private Context mContext;
    
    private OnConnectivityChangeListener mChangeListener;

    private BroadcastReceiver mReceiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {
                ConnectivityManager cm = (ConnectivityManager) context
                        .getSystemService(Context.CONNECTIVITY_SERVICE);
                NetworkInfo info = cm.getActiveNetworkInfo();
                if (info != null && info.isAvailable()) {
                    if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
                        if (mChangeListener != null) {
                            mChangeListener.onMobileAvailable();
                        }
                    } else if (info.getType() == ConnectivityManager.TYPE_WIFI) {
                        if (mChangeListener != null) {
                            mChangeListener.onWiFiAvailable();
                        }
                    }
                } else {
                    if (mChangeListener != null) {
                        mChangeListener.onNetworkUnAvailable();
                    }
                }
            }
        }
    };
    
    public ConnectivityChangeHelper(Context context,
            OnConnectivityChangeListener changeListener) {
        super();
        this.mContext = context;
        this.mChangeListener = changeListener;
    }

    public void registerReceiver() {
        IntentFilter filter = new IntentFilter();
        filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
        mContext.registerReceiver(mReceiver, filter);
    }

    public void unregisterReceiver() {
        mContext.unregisterReceiver(mReceiver);
    }
    
    public interface OnConnectivityChangeListener {
        void onNetworkUnAvailable();
        void onWiFiAvailable();
        void onMobileAvailable();
    }
}