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/**
* Registers a DownloadReceiver and waits for all Downloads
* to complete, then stops
* */
package de.podfetcher.storage;
import de.podfetcher.feed.*;
import android.app.Service;
import android.app.DownloadManager;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.IBinder;
import android.content.BroadcastReceiver;
import android.content.Context;
public class DownloadService extends Service {
public static String ACTION_ALL_FEED_DOWNLOADS_COMPLETED = "action.de.podfetcher.storage.all_feed_downloads_completed";
private DownloadRequester requester;
private FeedManager manager;
@Override
public void onCreate() {
registerReceiver(receiver, createIntentFilter());
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onDestroy() {
unregisterReceiver(receiver);
}
private IntentFilter createIntentFilter() {
IntentFilter filter = new IntentFilter();
filter.addAction(DownloadManager.ACTION_DOWNLOAD_COMPLETE);
return filter;
}
private BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
long id = intent.getLongExtra(DownloadManager.EXTRA_DOWNLOAD_ID, 0);
requester = DownloadRequester.getInstance();
manager = FeedManager.getInstance();
Intent item_intent = requester.getItemIntent(id);
String action = item_intent.getAction();
if(action.equals(DownloadRequester.ACTION_FEED_DOWNLOAD_COMPLETED)) {
handleCompletedFeedDownload(context, intent);
// Notify FeedSyncService about the new Feed
sendBroadcast(item_intent);
if(requester.getNumberOfFeedDownloads() == 0) {
sendBroadcast(new Intent(ACTION_ALL_FEED_DOWNLOADS_COMPLETED));
}
} else if(action.equals(DownloadRequester.ACTION_MEDIA_DOWNLOAD_COMPLETED)) {
requester.removeMediaByID(item_intent.getLongExtra(DownloadRequester.EXTRA_ITEM_ID, -1));
} else if(action.equals(DownloadRequester.ACTION_IMAGE_DOWNLOAD_COMPLETED)) {
requester.removeImageByID(item_intent.getLongExtra(DownloadRequester.EXTRA_ITEM_ID, -1));
}
// Check if there's something else to download, otherwise stop
if(requester.getNumberOfDownloads() == 0) {
stopSelf();
}
}
};
/** Is called whenever a Feed is Downloaded */
private void handleCompletedFeedDownload(Context context, Intent intent) {
FeedHandler handler = new FeedHandler();
requester.removeFeedByID(intent.getLongExtra(DownloadRequester.EXTRA_ITEM_ID, -1));
// Get Feed Information
Feed feed = manager.getFeed(intent.getLongExtra(DownloadRequester.EXTRA_ITEM_ID, -1));
feed.file_url = requester.getFeedfilePath(context) + requester.getFeedfileName(feed.id);
feed = handler.parseFeed(feed);
// Download Feed Image if provided
if(feed.image != null) {
requester.downloadImage(context, feed.image);
}
// Update Information in Database
manager.setFeed(context, feed);
}
}
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