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package de.danoeh.antennapod.asynctask;
import android.annotation.TargetApi;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import android.widget.Toast;
import org.shredzone.flattr4j.exception.FlattrException;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import de.danoeh.antennapod.BuildConfig;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.FlattrAuthActivity;
import de.danoeh.antennapod.activity.MainActivity;
import de.danoeh.antennapod.storage.DBReader;
import de.danoeh.antennapod.storage.DBWriter;
import de.danoeh.antennapod.util.NetworkUtils;
import de.danoeh.antennapod.util.flattr.FlattrThing;
import de.danoeh.antennapod.util.flattr.FlattrUtils;
/**
* Performs a click action in a background thread.
* <p/>
* When started, the flattr click worker will try to flattr every item that is in the flattr queue. If no network
* connection is available it will shut down immediately. The FlattrClickWorker can also be given one additional
* FlattrThing which will be flattrd immediately.
* <p/>
* The FlattrClickWorker will display a toast notification for every item that has been flattrd. If the FlattrClickWorker failed
* to flattr something, a notification will be displayed.
*/
public class FlattrClickWorker extends AsyncTask<Void, Integer, FlattrClickWorker.ExitCode> {
protected static final String TAG = "FlattrClickWorker";
private static final int NOTIFICATION_ID = 4;
private final Context context;
public static enum ExitCode {EXIT_NORMAL, NO_TOKEN, NO_NETWORK, NO_THINGS}
private volatile int countFailed = 0;
private volatile int countSuccess = 0;
private volatile FlattrThing extraFlattrThing;
/**
* Only relevant if just one thing is flattrd
*/
private volatile FlattrException exception;
/**
* Creates a new FlattrClickWorker which will only flattr all things in the queue.
* <p/>
* The FlattrClickWorker has to be started by calling executeAsync().
*
* @param context A context for accessing the database and posting notifications. Must not be null.
*/
public FlattrClickWorker(Context context) {
if (context == null) throw new IllegalArgumentException("context = null");
this.context = context.getApplicationContext();
}
/**
* Creates a new FlattrClickWorker which will flattr all things in the queue and one additional
* FlattrThing.
* <p/>
* The FlattrClickWorker has to be started by calling executeAsync().
*
* @param context A context for accessing the database and posting notifications. Must not be null.
* @param extraFlattrThing The additional thing to flattr
*/
public FlattrClickWorker(Context context, FlattrThing extraFlattrThing) {
this(context);
this.extraFlattrThing = extraFlattrThing;
}
@Override
protected ExitCode doInBackground(Void... params) {
if (!FlattrUtils.hasToken()) {
return ExitCode.NO_TOKEN;
}
if (!NetworkUtils.networkAvailable(context)) {
return ExitCode.NO_NETWORK;
}
final List<FlattrThing> flattrQueue = DBReader.getFlattrQueue(context);
if (extraFlattrThing != null) {
flattrQueue.add(extraFlattrThing);
} else if (flattrQueue.size() == 1) {
// if only one item is flattrd, the report can specifically mentioned that this item has failed
extraFlattrThing = flattrQueue.get(0);
}
if (flattrQueue.isEmpty()) {
return ExitCode.NO_THINGS;
}
List<Future> dbFutures = new LinkedList<Future>();
for (FlattrThing thing : flattrQueue) {
if (BuildConfig.DEBUG) Log.d(TAG, "Processing " + thing.getTitle());
try {
thing.getFlattrStatus().setUnflattred(); // pop from queue to prevent unflattrable things from getting stuck in flattr queue infinitely
FlattrUtils.clickUrl(context, thing.getPaymentLink());
thing.getFlattrStatus().setFlattred();
publishProgress(R.string.flattr_click_success);
countSuccess++;
} catch (FlattrException e) {
e.printStackTrace();
countFailed++;
if (countFailed == 1) {
exception = e;
}
}
Future<?> f = DBWriter.setFlattredStatus(context, thing, false);
if (f != null) {
dbFutures.add(f);
}
}
for (Future f : dbFutures) {
try {
f.get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
}
return ExitCode.EXIT_NORMAL;
}
@Override
protected void onPostExecute(ExitCode exitCode) {
super.onPostExecute(exitCode);
switch (exitCode) {
case EXIT_NORMAL:
if (countFailed > 0) {
postFlattrFailedNotification();
}
break;
case NO_NETWORK:
postToastNotification(R.string.flattr_click_enqueued);
break;
case NO_TOKEN:
postNoTokenNotification();
break;
case NO_THINGS: // nothing to notify here
break;
}
}
@Override
protected void onProgressUpdate(Integer... values) {
super.onProgressUpdate(values);
postToastNotification(values[0]);
}
private void postToastNotification(int msg) {
Toast.makeText(context, context.getString(msg), Toast.LENGTH_LONG).show();
}
private void postNoTokenNotification() {
PendingIntent contentIntent = PendingIntent.getActivity(context, 0, new Intent(context, FlattrAuthActivity.class), 0);
Notification notification = new NotificationCompat.Builder(context)
.setStyle(new NotificationCompat.BigTextStyle().bigText(context.getString(R.string.no_flattr_token_notification_msg)))
.setContentIntent(contentIntent)
.setContentTitle(context.getString(R.string.no_flattr_token_title))
.setTicker(context.getString(R.string.no_flattr_token_title))
.setSmallIcon(R.drawable.stat_notify_sync_error)
.setOngoing(false)
.setAutoCancel(true)
.build();
((NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE)).notify(NOTIFICATION_ID, notification);
}
private void postFlattrFailedNotification() {
if (countFailed == 0) {
return;
}
PendingIntent contentIntent = PendingIntent.getActivity(context, 0, new Intent(context, MainActivity.class), 0);
String title;
String subtext;
if (countFailed == 1) {
title = context.getString(R.string.flattrd_failed_label);
String exceptionMsg = (exception.getMessage() != null) ? exception.getMessage() : "";
subtext = context.getString(R.string.flattr_click_failure, extraFlattrThing.getTitle())
+ "\n" + exceptionMsg;
} else {
title = context.getString(R.string.flattrd_label);
subtext = context.getString(R.string.flattr_click_success_count, countSuccess) + "\n"
+ context.getString(R.string.flattr_click_failure_count, countFailed);
}
Notification notification = new NotificationCompat.Builder(context)
.setStyle(new NotificationCompat.BigTextStyle().bigText(subtext))
.setContentIntent(contentIntent)
.setContentTitle(title)
.setTicker(title)
.setSmallIcon(R.drawable.stat_notify_sync_error)
.setOngoing(false)
.setAutoCancel(true)
.build();
((NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE)).notify(NOTIFICATION_ID, notification);
}
/**
* Starts the FlattrClickWorker as an AsyncTask.
*/
@TargetApi(11)
public void executeAsync() {
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) {
executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
} else {
execute();
}
}
}
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