/*
 * Copyright (C) 2008 Esmertec AG. Copyright (C) 2008 The Android Open Source
 * 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 info.guardianproject.otr.app.im.service;

import info.guardianproject.otr.app.im.engine.HeartbeatService;
import info.guardianproject.otr.app.im.engine.SystemService;
import android.content.Context;

public class AndroidSystemService extends SystemService {
    private static AndroidSystemService sInstance;

    private AndroidSystemService() {
    }

    public static AndroidSystemService getInstance() {
        if (sInstance == null) {
            sInstance = new AndroidSystemService();
        }
        return sInstance;
    }

    private Context mContext;
    private AndroidHeartBeatService mHeartbeatServcie;

    public void initialize(Context context) {
        mContext = context;
    }

    public Context getContext() {
        return mContext;
    }

    public void shutdown() {
        if (mHeartbeatServcie != null) {
            mHeartbeatServcie.stopAll();
        }

    }

    @Override
    public HeartbeatService getHeartbeatService() {
        if (mContext == null) {
            throw new IllegalStateException("Hasn't been initialized yet");
        }
        if (mHeartbeatServcie == null) {
            mHeartbeatServcie = new AndroidHeartBeatService(mContext);
        }
        return mHeartbeatServcie;
    }

}