CredentialsFetcherTask.java :  » Chart » chartdroid » com » kostmo » market » revenue » task » Android Open Source

package com.kostmo.market.revenue.task;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.widget.Toast;

import com.kostmo.market.revenue.GoogleCheckoutUtils;
import com.kostmo.market.revenue.Market;
import com.kostmo.market.revenue.R;
import com.kostmo.market.revenue.GoogleCheckoutUtils.CheckoutCredentials;
import com.kostmo.market.revenue.GoogleCheckoutUtils.MerchantCredentialsNotFoundException;
import com.kostmo.market.revenue.container.UsernamePassword;

abstract public class CredentialsFetcherTask extends AsyncTask<Void, Void, CheckoutCredentials> {

  static final String TAG = Market.TAG;

  protected ProgressDialog wait_dialog;
  protected Context context;
  UsernamePassword user_pass;

  String current_progress_message;
  String error_message;
  
  
  // ========================================================================
  public CredentialsFetcherTask(Context context, UsernamePassword user_pass) {
    this.context = context;
    this.user_pass = user_pass;
  }

  // ========================================================================
  @Override
  public void onPreExecute() {

    this.wait_dialog = new ProgressDialog(this.context);
    String message = this.context.getResources().getString(R.string.merchant_fetching_credentials);
    this.wait_dialog.setMessage(message);  // Needs to be initialized with a String to reserve space    
    this.wait_dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
    this.wait_dialog.setCancelable(false);
    this.wait_dialog.show();
  }

  // ========================================================================
  @Override
  protected CheckoutCredentials doInBackground(Void... voided) {

    CheckoutCredentials checkout_credentials = null;
    try {
      checkout_credentials = GoogleCheckoutUtils.recoverCheckoutCredentials(this.user_pass);
    } catch (MerchantCredentialsNotFoundException e) {
      this.error_message = e.getMessage();
    }
    return checkout_credentials;
  }
  
  // ========================================================================
  @Override
  public void onPostExecute(CheckoutCredentials checkout_credentials) {

    this.wait_dialog.dismiss();

    if (this.error_message != null) {
      Toast.makeText(this.context, error_message, Toast.LENGTH_LONG).show();
      completeTask(checkout_credentials);
    } else {
      completeTask(checkout_credentials);
    }
  }

  // ========================================================================
  public abstract void completeTask(CheckoutCredentials checkout_credentials);
}