andr

package d_logic.ticketsale;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.widget.Toast;

import java.util.HashMap;
import java.util.Map;

import d_logic.translator.Translator;

/**
 * Author: Aleksandar Arsic
 * Description:
 * Date created:  9/26/17 (mm/dd/yy)
 */
public class AsyncTaskManager extends BroadcastReceiver {

    /**
     * Fields
     */
    private static HashMap<String,AsyncTask> hashMap;

    /**
     * Singleton pattern
     */
    private static AsyncTaskManager instance = null;
    private AsyncTaskManager() {
        hashMap = new HashMap<String, AsyncTask>();
    }

    public AsyncTaskManager getInstance() {
        if(instance == null) {
            instance = new AsyncTaskManager();
        }
        return instance;
    }

    /**
     * Add new AsyncTask in HashMap so that application can keep track of active async tasks
     * @param asyncTaskName
     * @param asyncTask
     */
    public static void addAsyncTask(String asyncTaskName,AsyncTask asyncTask) {
        hashMap.put(asyncTaskName,asyncTask);
    }

    /**
     * Remove specific async task from HashMap
     * @param asyncTaskName
     */
    public static void removeAsyncTask(String asyncTaskName) {
        hashMap.get(asyncTaskName).cancel(true);
        hashMap.remove(asyncTaskName);
    }

    /**
     * Remove all asynctasks
     */
    public static void clearAll() {
        for(Map.Entry m:hashMap.entrySet()){
            removeAsyncTask(m.getKey().toString());
        }
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        if(Util.isNetworkAvailable(context)) {

        } else {
           clearAll();
           Intent noConnection = new Intent(context, NoConnection.class);
           noConnection.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
           context.startActivity(noConnection);
        }
    }
}