AsyncActivityImpl.java

/*
 * Fat Free CRM Android App
 * Copyright 2012 create mediadesign GmbH
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package at.create.android.ffc.activity;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import at.create.android.ffc.R;

/**
 * @author Philipp Ullmann
 * Implementation of the AsyncActivity interface.
 */
public final class AsyncActivityImpl implements AsyncActivity {
    private ProgressDialog progressDialog;
    private Activity       activity;
    private boolean        destroyed = false;
    
    public AsyncActivityImpl(Activity activity) {
        this.activity = activity;
    }
    
    protected void onDestroy() {
        destroyed = true;
    }
    
    @Override
    public void showLoadingProgressDialog() {
        this.showProgressDialog(activity.getString(R.string.loading_please_wait));
    }
    
    @Override
    public void showProgressDialog(CharSequence message) {
        if (this.progressDialog == null) {
            this.progressDialog = new ProgressDialog(activity);
            this.progressDialog.setIndeterminate(true);
        }
        
        this.progressDialog.setMessage(message);
        this.progressDialog.show();
    }
    
    @Override
    public void dismissProgressDialog() {
        if (this.progressDialog != null && !this.destroyed) {
            this.progressDialog.dismiss();
        }
    }
    
    @Override
    public void showAlert(CharSequence message) {
        AlertDialog alertDialog = new AlertDialog.Builder(activity).create();
        alertDialog.setTitle(message);
        alertDialog.setCancelable(true);
        alertDialog.setCanceledOnTouchOutside(true);
        alertDialog.show();

        
    }
}