package com.nourayn.quran.Downloader;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.graphics.Color;
import android.os.AsyncTask;
import android.os.Build;
import android.support.v4.app.NotificationCompat;
import android.support.v4.content.LocalBroadcastManager;
import android.widget.ProgressBar;
import android.widget.RemoteViews;
import android.widget.TextView;
import android.widget.Toast;
import com.nourayn.quran.Database.AppPreference;
import com.fekracomputers.quran.R;
import com.nourayn.quran.UI.Activities.MainActivity;
import com.nourayn.quran.Utilities.AppConstants;
import com.nourayn.quran.Utilities.UnZipping;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.concurrent.TimeUnit;
import okhttp3.Call;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
/**
* A Class Responsible For download management
* Async task class can run in background as a service or normal thread
*/
public class DownloadManager extends AsyncTask<String, Long, Boolean> {
public static final int DOWNLOAD_CHUNK_SIZE = 1024 * 3;
private ProgressBar downloadProgressBar;
private List<String> downloadLinks;
private Context context;
private TextView downloadInfo;
private RemoteViews remoteViews;
private NotificationManager notificationManager;
private NotificationCompat.Builder builder;
private boolean notificationDownloaderFlag;
private int notificationDivider;
private String fileExtension, fileName, filePath;
private PendingIntent notificationPending;
private Intent openApplication;
public boolean stopDownload;
private boolean aboveLollipopFlag;
/**
* Class constructor. for download manager
*
* @param context application context to show notification after finish
* @param notificationDownloaderFlag flag to appear notification progressbar
*/
public DownloadManager(Context context, boolean notificationDownloaderFlag) {
this.context = context;
this.notificationDownloaderFlag = notificationDownloaderFlag;
init();
}
/**
* Class constructor. for download manager
*
* @param downloadProgressBar gui progressbar
* @param notificationDownloaderFlag flag to appear notification progressbar
*/
public DownloadManager(ProgressBar downloadProgressBar, boolean notificationDownloaderFlag) {
this.downloadProgressBar = downloadProgressBar;
this.notificationDownloaderFlag = notificationDownloaderFlag;
init();
}
/**
* Class constructor. for download manager
*
* @param context application context to show notification after finish
* @param downloadProgressBar gui progressbar
* @param notificationDownloaderFlag flag to appear notification progressbar
*/
public DownloadManager(Context context, ProgressBar downloadProgressBar, boolean notificationDownloaderFlag) {
this.downloadProgressBar = downloadProgressBar;
this.context = context;
this.notificationDownloaderFlag = notificationDownloaderFlag;
init();
}
/**
* Class constructor. for download manager
*
* @param context application context to show notification after finish
* @param downloadProgressBar gui progressbar
* @param downloadInfo textview to show download information
* @param notificationDownloaderFlag flag to appear notification progressbar
*/
public DownloadManager(Context context, ProgressBar downloadProgressBar, TextView downloadInfo, boolean notificationDownloaderFlag) {
this.context = context;
this.downloadProgressBar = downloadProgressBar;
this.downloadInfo = downloadInfo;
this.notificationDownloaderFlag = notificationDownloaderFlag;
init();
}
/**
* Public constructor for download links
*
* @param context Application Context
* @param notificationDownloaderFlag Flag to show notification
* @param downloadLinks List of download links
*/
public DownloadManager(Context context, boolean notificationDownloaderFlag, List<String> downloadLinks) {
this.context = context;
this.downloadLinks = downloadLinks;
this.notificationDownloaderFlag = notificationDownloaderFlag;
init();
}
/**
* Function to init download objects
*/
private void init() {
openApplication = new Intent(context, MainActivity.class);
notificationPending = PendingIntent.getActivity(context, 0,
openApplication, 0);
aboveLollipopFlag = android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP;
}
/**
* Start download file from url
*
* @param url the download url
* @return flag download success or not
*/
@Override
protected Boolean doInBackground(String... url) {
try {
if (downloadLinks != null) {
return multiDownload(downloadLinks, url[1]);
} else {
return singleDownload(url[0], url[1]);
}
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* Function to single download
*
* @param link Download link
* @param downloadLocation Download downloadLocation
* @return Flag or download success or not
* @throws IOException
*/
public boolean singleDownload(String link, String downloadLocation) throws IOException {
//file name
fileName = link.substring(link.lastIndexOf('/') + 1, link.length());
filePath = downloadLocation; //url[1];
String splits[] = fileName.split("\\.");
fileExtension = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length());
//divided update notification
notificationDivider = 0;
//new http connection
OkHttpClient httpClient = new OkHttpClient.Builder().connectTimeout(15, TimeUnit.MINUTES).
readTimeout(15, TimeUnit.MINUTES).build();
Call call = httpClient.newCall(new Request.Builder().url(link).get().build());
Response response = call.execute();
if (notificationDownloaderFlag) showNotificationDownloader();
//susses request
if (response.code() == 200) {
InputStream inputStream = null;
OutputStream output = null;
try {
//path response to input stream
inputStream = response.body().byteStream();
output = new FileOutputStream(filePath + "/" + fileName);
byte[] buffer = new byte[DOWNLOAD_CHUNK_SIZE];
long download = 0;
long target = response.body().contentLength();
int oneBlock = Math.round((target / 100));
int oneLoop = (oneBlock / DOWNLOAD_CHUNK_SIZE);
//set progress zero and response length
publishProgress(0L, target);
while (true) {
//flag to stop download
if (stopDownload) break;
notificationDivider++;
//read buffer
int read = inputStream.read(buffer);
if (read == -1) break;
download += read;
if (notificationDivider == oneLoop) {
publishProgress(download, target);
notificationDivider = 0;
}
if (isCancelled()) break;
output.write(buffer, 0, read);
}
return download == target;
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
if (inputStream != null) inputStream.close();
}
} else {
return false;
}
}
/**
* Function to multi download
*
* @param links List of links
* @param downloadLocation Download destination
* @return Flag of download success or not
* @throws IOException
*/
public synchronized boolean multiDownload(List<String> links, String downloadLocation) throws IOException {
if (notificationDownloaderFlag) showNotificationDownloader();
int counter = 0;
publishProgress(0L, Long.valueOf(links.size()));
//foreach for the all links
for (String linkItem : links) {
//flag to stop download
if (stopDownload) break;
//update progress
publishProgress(Long.valueOf(counter++), Long.valueOf(links.size()));
//file name
fileName = linkItem.substring(linkItem.lastIndexOf('/') + 1, linkItem.length());
filePath = downloadLocation;
String splits[] = fileName.split("\\.");
fileExtension = fileName.substring(fileName.lastIndexOf(".") + 1, fileName.length());
//divided update notification
notificationDivider = 0;
//new http connection
OkHttpClient httpClient = new OkHttpClient.Builder().connectTimeout(15, TimeUnit.MINUTES).
readTimeout(15, TimeUnit.MINUTES).build();
Call call = httpClient.newCall(new Request.Builder().url(linkItem).get().build());
Response response = call.execute();
//susses request
if (response.code() == 200) {
InputStream inputStream = null;
OutputStream output = null;
try {
//path response to input stream
inputStream = response.body().byteStream();
output = new FileOutputStream(filePath + "/" + fileName);
byte[] buffer = new byte[DOWNLOAD_CHUNK_SIZE];
//set progress zero and response length
while (true) {
//flag to stop download
if (stopDownload) break;
notificationDivider++;
//read buffer
int read = inputStream.read(buffer);
if (read == -1) break;
if (isCancelled()) break;
output.write(buffer, 0, read);
}
} catch (IOException e) {
e.printStackTrace();
return false;
} finally {
if (inputStream != null) inputStream.close();
}
} else {
return false;
}
}
return true;
}
/**
* Function show download information
*
* @param values download information values
*/
@Override
protected void onProgressUpdate(Long... values) {
if (downloadProgressBar != null) {
downloadProgressBar.setMax(values[1].intValue());
downloadProgressBar.setProgress(values[0].intValue());
}
if (downloadInfo != null) {
downloadInfo.setText(values[1] / 1000000 + "/" + values[0] / 1000000);
}
if (notificationDownloaderFlag) {
//remoteViews.setProgressBar(R.id.progressBar2, , , false);
builder.setProgress(values[1].intValue(), values[0].intValue(), false);
notificationManager.notify(0, builder.build());
}
if (context != null) {
if (context instanceof Service) {
Intent i = new Intent(AppConstants.Download.INTENT);
i.putExtra(AppConstants.Download.NUMBER, values[0]);
i.putExtra(AppConstants.Download.MAX, values[1]);
i.putExtra(AppConstants.Download.DOWNLOAD, AppConstants.Download.IN_DOWNLOAD);
LocalBroadcastManager.getInstance(context).sendBroadcast(i);
}
}
}
/**
* Action after download finished of not
*
* @param result flag download success or not
*/
@Override
protected void onPostExecute(Boolean result) {
//notify download complete
if (context != null)
Toast.makeText(context, result == true ?
context.getString(R.string.download_complete) :
context.getString(R.string.download_failed)
, Toast.LENGTH_LONG).show();
//pass the download statue to notification
if (notificationDownloaderFlag) {
notificationManager.cancel(0);
if (result) {
showCompleteNotification();
AppPreference.DownloadStatues(AppConstants.Preferences.DOWNLOAD_SUCCESS);
} else {
showFailedNotification();
AppPreference.DownloadStatues(AppConstants.Preferences.DOWNLOAD_FAILED);
}
}
//run extraction service if zip file or stop service
if (fileExtension.toLowerCase().equals("zip") && result) {
new UnZipping(context).executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, filePath, fileName);
} else {
//send broadcast of success or failed
LocalBroadcastManager.getInstance(context).sendBroadcast(new Intent(AppConstants.Download.INTENT)
.putExtra(AppConstants.Download.DOWNLOAD, result == true ?
AppConstants.Download.SUCCESS :
AppConstants.Download.FAILED));
if (context instanceof Service)
((Service) context).stopService(new Intent(context, DownloadService.class));
}
}
/**
* Initialize and show notification of download statue
*/
public void showNotificationDownloader() {
remoteViews = new RemoteViews(context.getPackageName(), R.layout.notification_download_progress);
builder = new NotificationCompat.Builder(context)
.setSmallIcon(aboveLollipopFlag ? R.drawable.ic_quran_trans : R.drawable.logo)
.setColor(Color.parseColor("#3E686A"))
.setProgress(100, 0, false)
.setContentTitle(context.getString(R.string.app_name))
.setContentText(context.getString(R.string.download))
.setOngoing(true);
builder.setContentIntent(notificationPending);
notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
notificationManager.notify(0, builder.build());
}
/**
* Initialize and show notification of download completes
*/
public void showCompleteNotification() {
remoteViews = new RemoteViews(context.getPackageName(), R.layout.notification_download_finished);
builder = new NotificationCompat
.Builder(context)
.setSmallIcon(aboveLollipopFlag ? R.drawable.ic_quran_trans : R.drawable.logo)
.setContentTitle(context.getString(R.string.app_name))
.setContentText(context.getString(R.string.download_complete))
.setColor(Color.parseColor("#3E686A"));
builder.setContentIntent(notificationPending);
notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
notificationManager.notify(0, builder.build());
}
/**
* Initialize and show notification of download failed
*/
public void showFailedNotification() {
remoteViews = new RemoteViews(context.getPackageName(), R.layout.notification_download_failed);
builder = new NotificationCompat
.Builder(context)
.setSmallIcon(aboveLollipopFlag ? R.drawable.ic_quran_trans : R.drawable.logo)
.setContentTitle(context.getString(R.string.app_name))
.setContentText(context.getString(R.string.download_failed))
.setColor(Color.parseColor("#3E686A"));
notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
notificationManager.notify(0, builder.build());
}
}
