TelephonyContext.java

/*
 * Copyright (C) 2014 The Context Engine Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package uk.ac.tvu.mdse.contextengine.contexts;

import uk.ac.tvu.mdse.contextengine.MonitorComponent;
import android.content.Context;
import android.os.Bundle;
import android.telephony.TelephonyManager;

public class TelephonyContext extends MonitorComponent {

	private boolean roaming = false;
	private int connection = 0;
	private static final long serialVersionUID = -6310232951343360172L;
	public TelephonyManager tm;

	public TelephonyContext(String name, Context c) {
		super("TELEPHONY_CONNECTED", c, "android.net.conn.CONNECTIVITY_CHANGE");
		// checkContext();
		this.tm = (TelephonyManager) c
				.getSystemService(Context.TELEPHONY_SERVICE);
	}

	protected void checkContext(Bundle data) {
		checkRoaming();
		checkConnectionState();
	}

	private void checkConnectionState() {
		int v = tm.getDataState();
		if (v != connection) {
			// if(v == 2)
			// sendNotification("telephonyConnectedON", true);
			// else
			// sendNotification("telephonyConnectedON", false);
			connection = v;
		}
	}

	private void checkRoaming() {
		boolean r = tm.isNetworkRoaming();
		// if (r && (!roaming)) {
		// sendNotification("roamingON", true);
		// roaming = true;
		// } else if ((!r) && (roaming)) {
		// sendNotification("roamingON", false);
		// roaming = false;
		// }
	}
}