CardDownload.java

/**   Copyright (C) 2013  Louis Teboul (a.k.a Androguide)
 *
 *    admin@pimpmyrom.org  || louisteboul@gmail.com
 *    http://pimpmyrom.org || http://androguide.fr
 *    71 quai Clémenceau, 69300 Caluire-et-Cuire, FRANCE.
 *
 *     This program is free software; you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *      You should have received a copy of the GNU General Public License along
 *      with this program; if not, write to the Free Software Foundation, Inc.,
 *      51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 **/

package com.fima.cardsui.views;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.os.AsyncTask;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

import com.fima.cardsui.R;
import com.fima.cardsui.objects.Card;

import java.io.BufferedInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import java.net.URLConnection;

public class CardDownload extends Card {

    public CardDownload(String title, String desc, String url, String filePath, String buttonText1, ActionBarActivity fa) {
        super(title, desc, url, filePath, buttonText1, fa);
    }

    @Override
    public View getCardContent(Context context) {
        View v = LayoutInflater.from(context).inflate(R.layout.card_download, null);
        SharedPreferences config = fa.getSharedPreferences("CONFIG", 0);

        assert v != null;
        TextView t = (TextView) v.findViewById(R.id.title);
        TextView d = (TextView) v.findViewById(R.id.desc);
        d.setText(desc);
        t.setText(title);
        t.setTextColor(Color.parseColor(config.getString("APP_COLOR", "#96AA39")));
        Button button = (Button) v.findViewById(R.id.button);
        button.setText(buttonText1);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String[] urls = {url, filePath};
                new DownloadFileFromURL().execute(urls);
            }
        });
        return v;
    }

    /**
     * Background Async Task to download file
     */
    class DownloadFileFromURL extends AsyncTask<String, String, String> {
        private ProgressDialog pDialog;

        /**
         * Before starting background thread
         * Show Progress Bar Dialog
         */
        @Override
        protected void onPreExecute() {
            super.onPreExecute();
            pDialog = new ProgressDialog(fa);
            pDialog.setTitle("Downloading");
            pDialog.setMessage("Please wait...");
            pDialog.setIndeterminate(false);
            pDialog.setMax(100);
            pDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
            pDialog.setCancelable(true);
            pDialog.show();
        }

        /**
         * Downloading file in background thread
         */
        @Override
        protected String doInBackground(String... f_url) {
            int count;
            try {
                URL url = new URL(f_url[0]);
                URLConnection connection = url.openConnection();
                connection.connect();

                int lengthOfFile = connection.getContentLength();
                InputStream input = new BufferedInputStream(url.openStream(), 8192);
                OutputStream output = new FileOutputStream(f_url[1]);

                byte data[] = new byte[1024];
                long total = 0;

                while ((count = input.read(data)) != -1) {
                    total += count;
                    publishProgress("" + (int) ((total * 100) / lengthOfFile));
                    output.write(data, 0, count);
                }
                output.flush();
                output.close();
                input.close();
            } catch (Exception e) {
                Log.e("Error: ", e.getMessage());
            }
            return null;
        }

        /**
         * Updating progress bar
         */
        protected void onProgressUpdate(String... progress) {
            pDialog.setProgress(Integer.parseInt(progress[0]));
        }

        /**
         * After completing background task
         * Dismiss the progress dialog
         * *
         */
        @Override
        protected void onPostExecute(String file_url) {
            // dismiss the dialog after the file was downloaded
            pDialog.dismiss();
        }
    }

    public int getCardContentId() {
        return R.layout.card_download;
    }

    @Override
    public boolean convert(View convertCardView) {
        return true;
    }

}