diff options
Diffstat (limited to 'src/de/danoeh/antennapod/service/download/DownloadService.java')
| -rw-r--r-- | src/de/danoeh/antennapod/service/download/DownloadService.java | 1750 |
1 files changed, 846 insertions, 904 deletions
diff --git a/src/de/danoeh/antennapod/service/download/DownloadService.java b/src/de/danoeh/antennapod/service/download/DownloadService.java index e1230e170..4040c85a8 100644 --- a/src/de/danoeh/antennapod/service/download/DownloadService.java +++ b/src/de/danoeh/antennapod/service/download/DownloadService.java @@ -1,28 +1,17 @@ -/** - * Registers a DownloadReceiver and waits for all Downloads - * to complete, then stops - * */ - package de.danoeh.antennapod.service.download; import java.io.File; import java.io.IOException; -import java.lang.Thread.UncaughtExceptionHandler; import java.util.ArrayList; +import java.util.Collections; import java.util.Date; import java.util.List; -import java.util.concurrent.CopyOnWriteArrayList; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.RejectedExecutionHandler; -import java.util.concurrent.ScheduledFuture; -import java.util.concurrent.ScheduledThreadPoolExecutor; -import java.util.concurrent.ThreadFactory; -import java.util.concurrent.ThreadPoolExecutor; -import java.util.concurrent.TimeUnit; +import java.util.concurrent.*; +import java.util.concurrent.atomic.AtomicInteger; import javax.xml.parsers.ParserConfigurationException; +import de.danoeh.antennapod.storage.*; import org.xml.sax.SAXException; import android.annotation.SuppressLint; @@ -41,8 +30,6 @@ import android.os.AsyncTask; import android.os.Binder; import android.os.Handler; import android.os.IBinder; -import android.os.Parcel; -import android.os.Parcelable; import android.support.v4.app.NotificationCompat; import android.util.Log; import android.webkit.URLUtil; @@ -50,904 +37,859 @@ import de.danoeh.antennapod.AppConfig; import de.danoeh.antennapod.R; import de.danoeh.antennapod.activity.DownloadActivity; import de.danoeh.antennapod.activity.DownloadLogActivity; -import de.danoeh.antennapod.asynctask.DownloadStatus; import de.danoeh.antennapod.feed.EventDistributor; import de.danoeh.antennapod.feed.Feed; -import de.danoeh.antennapod.feed.FeedFile; import de.danoeh.antennapod.feed.FeedImage; import de.danoeh.antennapod.feed.FeedItem; -import de.danoeh.antennapod.feed.FeedManager; import de.danoeh.antennapod.feed.FeedMedia; -import de.danoeh.antennapod.storage.DownloadRequestException; -import de.danoeh.antennapod.storage.DownloadRequester; import de.danoeh.antennapod.syndication.handler.FeedHandler; import de.danoeh.antennapod.syndication.handler.UnsupportedFeedtypeException; import de.danoeh.antennapod.util.ChapterUtils; import de.danoeh.antennapod.util.DownloadError; import de.danoeh.antennapod.util.InvalidFeedException; +/** + * Manages the download of feedfiles in the app. Downloads can be enqueued viathe startService intent. + * The argument of the intent is an instance of DownloadRequest in the EXTRA_REQUEST field of + * the intent. + * After the downloads have finished, the downloaded object will be passed on to a specific handler, depending on the + * type of the feedfile. + */ public class DownloadService extends Service { - private static final String TAG = "DownloadService"; - - public static String ACTION_ALL_FEED_DOWNLOADS_COMPLETED = "action.de.danoeh.antennapod.storage.all_feed_downloads_completed"; - - public static final String ACTION_ENQUEUE_DOWNLOAD = "action.de.danoeh.antennapod.service.enqueueDownload"; - public static final String ACTION_CANCEL_DOWNLOAD = "action.de.danoeh.antennapod.service.cancelDownload"; - public static final String ACTION_CANCEL_ALL_DOWNLOADS = "action.de.danoeh.antennapod.service.cancelAllDownloads"; - - /** Extra for ACTION_CANCEL_DOWNLOAD */ - public static final String EXTRA_DOWNLOAD_URL = "downloadUrl"; - - /** - * Sent by the DownloadService when the content of the downloads list - * changes. - */ - public static final String ACTION_DOWNLOADS_CONTENT_CHANGED = "action.de.danoeh.antennapod.service.downloadsContentChanged"; - - public static final String EXTRA_DOWNLOAD_ID = "extra.de.danoeh.antennapod.service.download_id"; - - /** Extra for ACTION_ENQUEUE_DOWNLOAD intent. */ - public static final String EXTRA_REQUEST = "request"; - - private CopyOnWriteArrayList<DownloadStatus> completedDownloads; - - private ExecutorService syncExecutor; - private ExecutorService downloadExecutor; - /** Number of threads of downloadExecutor. */ - private static final int NUM_PARALLEL_DOWNLOADS = 4; - - private DownloadRequester requester; - private FeedManager manager; - private NotificationCompat.Builder notificationCompatBuilder; - private Notification.BigTextStyle notificationBuilder; - private int NOTIFICATION_ID = 2; - private int REPORT_ID = 3; - - private List<Downloader> downloads; - - /** Number of completed downloads which are currently being handled. */ - private volatile int downloadsBeingHandled; - - private volatile boolean shutdownInitiated = false; - /** True if service is running. */ - public static boolean isRunning = false; - - private Handler handler; - - private NotificationUpdater notificationUpdater; - private ScheduledFuture notificationUpdaterFuture; - private static final int SCHED_EX_POOL_SIZE = 1; - private ScheduledThreadPoolExecutor schedExecutor; - - private final IBinder mBinder = new LocalBinder(); - - public class LocalBinder extends Binder { - public DownloadService getService() { - return DownloadService.this; - } - } - - @Override - public int onStartCommand(Intent intent, int flags, int startId) { - if (intent.getParcelableExtra(EXTRA_REQUEST) != null) { - onDownloadQueued(intent); - } - return Service.START_NOT_STICKY; - } - - @SuppressLint("NewApi") - @Override - public void onCreate() { - if (AppConfig.DEBUG) - Log.d(TAG, "Service started"); - isRunning = true; - handler = new Handler(); - completedDownloads = new CopyOnWriteArrayList<DownloadStatus>( - new ArrayList<DownloadStatus>()); - downloads = new ArrayList<Downloader>(); - registerReceiver(downloadQueued, new IntentFilter( - ACTION_ENQUEUE_DOWNLOAD)); - - IntentFilter cancelDownloadReceiverFilter = new IntentFilter(); - cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_ALL_DOWNLOADS); - cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_DOWNLOAD); - registerReceiver(cancelDownloadReceiver, cancelDownloadReceiverFilter); - syncExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() { - - @Override - public Thread newThread(Runnable r) { - Thread t = new Thread(r); - t.setPriority(Thread.MIN_PRIORITY); - t.setUncaughtExceptionHandler(new UncaughtExceptionHandler() { - - @Override - public void uncaughtException(Thread thread, Throwable ex) { - Log.e(TAG, "Thread exited with uncaught exception"); - ex.printStackTrace(); - downloadsBeingHandled -= 1; - queryDownloads(); - } - }); - return t; - } - }); - downloadExecutor = Executors.newFixedThreadPool(NUM_PARALLEL_DOWNLOADS, - new ThreadFactory() { - - @Override - public Thread newThread(Runnable r) { - Thread t = new Thread(r); - t.setPriority(Thread.MIN_PRIORITY); - return t; - } - }); - schedExecutor = new ScheduledThreadPoolExecutor(SCHED_EX_POOL_SIZE, - new ThreadFactory() { - - @Override - public Thread newThread(Runnable r) { - Thread t = new Thread(r); - t.setPriority(Thread.MIN_PRIORITY); - return t; - } - }, new RejectedExecutionHandler() { - - @Override - public void rejectedExecution(Runnable r, - ThreadPoolExecutor executor) { - Log.w(TAG, "SchedEx rejected submission of new task"); - } - }); - setupNotificationBuilders(); - manager = FeedManager.getInstance(); - requester = DownloadRequester.getInstance(); - } - - @Override - public IBinder onBind(Intent intent) { - return mBinder; - } - - @Override - public void onDestroy() { - if (AppConfig.DEBUG) - Log.d(TAG, "Service shutting down"); - isRunning = false; - unregisterReceiver(cancelDownloadReceiver); - unregisterReceiver(downloadQueued); - } - - @SuppressLint("NewApi") - private void setupNotificationBuilders() { - PendingIntent pIntent = PendingIntent.getActivity(this, 0, new Intent( - this, DownloadActivity.class), - PendingIntent.FLAG_UPDATE_CURRENT); - - Bitmap icon = BitmapFactory.decodeResource(getResources(), - R.drawable.stat_notify_sync); - - if (android.os.Build.VERSION.SDK_INT >= 16) { - notificationBuilder = new Notification.BigTextStyle( - new Notification.Builder(this).setOngoing(true) - .setContentIntent(pIntent).setLargeIcon(icon) - .setSmallIcon(R.drawable.stat_notify_sync)); - } else { - notificationCompatBuilder = new NotificationCompat.Builder(this) - .setOngoing(true).setContentIntent(pIntent) - .setLargeIcon(icon) - .setSmallIcon(R.drawable.stat_notify_sync); - } - if (AppConfig.DEBUG) - Log.d(TAG, "Notification set up"); - } - - /** - * Updates the contents of the service's notifications. Should be called - * before setupNotificationBuilders. - */ - @SuppressLint("NewApi") - private Notification updateNotifications() { - String contentTitle = getString(R.string.download_notification_title); - String downloadsLeft = requester.getNumberOfDownloads() - + getString(R.string.downloads_left); - if (android.os.Build.VERSION.SDK_INT >= 16) { - - if (notificationBuilder != null) { - - StringBuilder bigText = new StringBuilder(""); - for (int i = 0; i < downloads.size(); i++) { - Downloader downloader = downloads.get(i); - if (downloader.getStatus() != null) { - FeedFile f = downloader.getStatus().getFeedFile(); - if (f.getClass() == Feed.class) { - Feed feed = (Feed) f; - if (feed.getTitle() != null) { - if (i > 0) { - bigText.append("\n"); - } - bigText.append("\u2022 " + feed.getTitle()); - } - } else if (f.getClass() == FeedMedia.class) { - FeedMedia media = (FeedMedia) f; - if (media.getItem().getTitle() != null) { - if (i > 0) { - bigText.append("\n"); - } - bigText.append("\u2022 " - + media.getItem().getTitle() - + " (" - + downloader.getStatus() - .getProgressPercent() + "%)"); - } - } - } - } - notificationBuilder.setSummaryText(downloadsLeft); - notificationBuilder.setBigContentTitle(contentTitle); - if (bigText != null) { - notificationBuilder.bigText(bigText.toString()); - } - return notificationBuilder.build(); - } - } else { - if (notificationCompatBuilder != null) { - notificationCompatBuilder.setContentTitle(contentTitle); - notificationCompatBuilder.setContentText(downloadsLeft); - return notificationCompatBuilder.getNotification(); - } - } - return null; - } - - private Downloader getDownloader(String downloadUrl) { - for (Downloader downloader : downloads) { - if (downloader.getStatus().getFeedFile().getDownload_url() - .equals(downloadUrl)) { - return downloader; - } - } - return null; - } - - private BroadcastReceiver cancelDownloadReceiver = new BroadcastReceiver() { - - @Override - public void onReceive(Context context, Intent intent) { - if (intent.getAction().equals(ACTION_CANCEL_DOWNLOAD)) { - String url = intent.getStringExtra(EXTRA_DOWNLOAD_URL); - if (url == null) { - throw new IllegalArgumentException( - "ACTION_CANCEL_DOWNLOAD intent needs download url extra"); - } - if (AppConfig.DEBUG) - Log.d(TAG, "Cancelling download with url " + url); - Downloader d = getDownloader(url); - if (d != null) { - d.cancel(); - removeDownload(d); - } else { - Log.e(TAG, "Could not cancel download with url " + url); - } - - } else if (intent.getAction().equals(ACTION_CANCEL_ALL_DOWNLOADS)) { - for (Downloader d : downloads) { - d.cancel(); - DownloadRequester.getInstance().removeDownload( - d.getStatus().getFeedFile()); - d.getStatus().getFeedFile().setFile_url(null); - if (AppConfig.DEBUG) - Log.d(TAG, "Cancelled all downloads"); - } - downloads.clear(); - sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); - - } - queryDownloads(); - } - - }; - - private void onDownloadQueued(Intent intent) { - if (AppConfig.DEBUG) - Log.d(TAG, "Received enqueue request"); - Request request = intent.getParcelableExtra(EXTRA_REQUEST); - if (request == null) { - throw new IllegalArgumentException( - "ACTION_ENQUEUE_DOWNLOAD intent needs request extra"); - } - if (shutdownInitiated) { - if (AppConfig.DEBUG) - Log.d(TAG, "Cancelling shutdown; new download was queued"); - shutdownInitiated = false; - } - - DownloadRequester requester = DownloadRequester.getInstance(); - FeedFile feedfile = requester.getDownload(request.source); - if (feedfile != null) { - - DownloadStatus status = new DownloadStatus(feedfile, - feedfile.getHumanReadableIdentifier()); - Downloader downloader = getDownloader(status); - if (downloader != null) { - downloads.add(downloader); - downloadExecutor.submit(downloader); - sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); - } - } else { - Log.e(TAG, - "Could not find feedfile in download requester when trying to enqueue new download"); - } - queryDownloads(); - } - - private BroadcastReceiver downloadQueued = new BroadcastReceiver() { - - @Override - public void onReceive(Context context, Intent intent) { - onDownloadQueued(intent); - } - - }; - - private Downloader getDownloader(DownloadStatus status) { - if (URLUtil.isHttpUrl(status.getFeedFile().getDownload_url())) { - return new HttpDownloader(new DownloaderCallback() { - - @Override - public void onDownloadCompleted(final Downloader downloader) { - handler.post(new Runnable() { - - @Override - public void run() { - DownloadService.this - .onDownloadCompleted(downloader); - } - }); - } - }, status); - } - Log.e(TAG, "Could not find appropriate downloader for " - + status.getFeedFile().getDownload_url()); - return null; - } - - @SuppressLint("NewApi") - public void onDownloadCompleted(final Downloader downloader) { - final AsyncTask<Void, Void, Void> handlerTask = new AsyncTask<Void, Void, Void>() { - boolean successful; - - @Override - protected void onPostExecute(Void result) { - super.onPostExecute(result); - if (!successful) { - queryDownloads(); - } - } - - @Override - protected void onPreExecute() { - super.onPreExecute(); - removeDownload(downloader); - } - - @Override - protected Void doInBackground(Void... params) { - if (AppConfig.DEBUG) - Log.d(TAG, "Received 'Download Complete' - message."); - downloadsBeingHandled += 1; - DownloadStatus status = downloader.getStatus(); - status.setCompletionDate(new Date()); - successful = status.isSuccessful(); - - FeedFile download = status.getFeedFile(); - if (download != null) { - if (successful) { - if (download.getClass() == Feed.class) { - handleCompletedFeedDownload(status); - } else if (download.getClass() == FeedImage.class) { - handleCompletedImageDownload(status); - } else if (download.getClass() == FeedMedia.class) { - handleCompletedFeedMediaDownload(status); - } - } else { - download.setFile_url(null); - download.setDownloaded(false); - if (!successful && !status.isCancelled()) { - Log.e(TAG, "Download failed"); - saveDownloadStatus(status); - } - sendDownloadHandledIntent(); - downloadsBeingHandled -= 1; - } - } - return null; - } - }; - if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.GINGERBREAD_MR1) { - handlerTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); - } else { - handlerTask.execute(); - } - } - - /** - * Remove download from the DownloadRequester list and from the - * DownloadService list. - */ - private void removeDownload(final Downloader d) { - if (AppConfig.DEBUG) - Log.d(TAG, "Removing downloader: " - + d.getStatus().getFeedFile().getDownload_url()); - boolean rc = downloads.remove(d); - if (AppConfig.DEBUG) - Log.d(TAG, "Result of downloads.remove: " + rc); - DownloadRequester.getInstance().removeDownload( - d.getStatus().getFeedFile()); - sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); - } - - /** - * Adds a new DownloadStatus object to the list of completed downloads and - * saves it in the database - * - * @param status - * the download that is going to be saved - */ - private void saveDownloadStatus(DownloadStatus status) { - completedDownloads.add(status); - manager.addDownloadStatus(this, status); - } - - private void sendDownloadHandledIntent() { - EventDistributor.getInstance().sendDownloadHandledBroadcast(); - } - - /** - * Creates a notification at the end of the service lifecycle to notify the - * user about the number of completed downloads. A report will only be - * created if the number of successfully downloaded feeds is bigger than 1 - * or if there is at least one failed download which is not an image or if - * there is at least one downloaded media file. - */ - private void updateReport() { - // check if report should be created - boolean createReport = false; - int successfulDownloads = 0; - int failedDownloads = 0; - - // a download report is created if at least one download has failed - // (excluding failed image downloads) - for (DownloadStatus status : completedDownloads) { - if (status.isSuccessful()) { - successfulDownloads++; - } else if (!status.isCancelled()) { - if (status.getFeedFile().getClass() != FeedImage.class) { - createReport = true; - } - failedDownloads++; - } - } - - if (createReport) { - if (AppConfig.DEBUG) - Log.d(TAG, "Creating report"); - // create notification object - Notification notification = new NotificationCompat.Builder(this) - .setTicker( - getString(de.danoeh.antennapod.R.string.download_report_title)) - .setContentTitle( - getString(de.danoeh.antennapod.R.string.download_report_title)) - .setContentText( - String.format( - getString(R.string.download_report_content), - successfulDownloads, failedDownloads)) - .setSmallIcon(R.drawable.stat_notify_sync) - .setLargeIcon( - BitmapFactory.decodeResource(getResources(), - R.drawable.stat_notify_sync)) - .setContentIntent( - PendingIntent.getActivity(this, 0, new Intent(this, - DownloadLogActivity.class), 0)) - .setAutoCancel(true).getNotification(); - NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); - nm.notify(REPORT_ID, notification); - } else { - if (AppConfig.DEBUG) - Log.d(TAG, "No report is created"); - } - completedDownloads.clear(); - } - - /** Check if there's something else to download, otherwise stop */ - void queryDownloads() { - int numOfDownloads = downloads.size(); - if (AppConfig.DEBUG) { - Log.d(TAG, numOfDownloads + " downloads left"); - Log.d(TAG, "Downloads being handled: " + downloadsBeingHandled); - Log.d(TAG, "ShutdownInitiated: " + shutdownInitiated); - } - - if (numOfDownloads == 0 && downloadsBeingHandled <= 0) { - if (AppConfig.DEBUG) - Log.d(TAG, "Starting shutdown"); - shutdownInitiated = true; - updateReport(); - cancelNotificationUpdater(); - stopForeground(true); - } else { - setupNotificationUpdater(); - startForeground(NOTIFICATION_ID, updateNotifications()); - } - } - - /** Is called whenever a Feed is downloaded */ - private void handleCompletedFeedDownload(DownloadStatus status) { - if (AppConfig.DEBUG) - Log.d(TAG, "Handling completed Feed Download"); - syncExecutor.execute(new FeedSyncThread(status)); - - } - - /** Is called whenever a Feed-Image is downloaded */ - private void handleCompletedImageDownload(DownloadStatus status) { - if (AppConfig.DEBUG) - Log.d(TAG, "Handling completed Image Download"); - syncExecutor.execute(new ImageHandlerThread(status)); - } - - /** Is called whenever a FeedMedia is downloaded. */ - private void handleCompletedFeedMediaDownload(DownloadStatus status) { - if (AppConfig.DEBUG) - Log.d(TAG, "Handling completed FeedMedia Download"); - syncExecutor.execute(new MediaHandlerThread(status)); - } - - /** - * Takes a single Feed, parses the corresponding file and refreshes - * information in the manager - */ - class FeedSyncThread implements Runnable { - private static final String TAG = "FeedSyncThread"; - - private Feed feed; - private DownloadStatus status; - - private int reason; - private boolean successful; - - public FeedSyncThread(DownloadStatus status) { - this.feed = (Feed) status.getFeedFile(); - this.status = status; - } - - public void run() { - Feed savedFeed = null; - reason = 0; - String reasonDetailed = null; - successful = true; - final FeedManager manager = FeedManager.getInstance(); - FeedHandler feedHandler = new FeedHandler(); - feed.setDownloaded(true); - - try { - feed = feedHandler.parseFeed(feed); - if (AppConfig.DEBUG) - Log.d(TAG, feed.getTitle() + " parsed"); - if (checkFeedData(feed) == false) { - throw new InvalidFeedException(); - } - // Save information of feed in DB - savedFeed = manager.updateFeed(DownloadService.this, feed); - // Download Feed Image if provided and not downloaded - if (savedFeed.getImage() != null - && savedFeed.getImage().isDownloaded() == false) { - if (AppConfig.DEBUG) - Log.d(TAG, "Feed has image; Downloading...."); - savedFeed.getImage().setFeed(savedFeed); - final Feed savedFeedRef = savedFeed; - handler.post(new Runnable() { - - @Override - public void run() { - try { - requester.downloadImage(DownloadService.this, - savedFeedRef.getImage()); - } catch (DownloadRequestException e) { - e.printStackTrace(); - manager.addDownloadStatus( - DownloadService.this, - new DownloadStatus( - savedFeedRef.getImage(), - savedFeedRef - .getImage() - .getHumanReadableIdentifier(), - DownloadError.ERROR_REQUEST_ERROR, - false, e.getMessage())); - } - } - }); - - } - - } catch (SAXException e) { - successful = false; - e.printStackTrace(); - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } catch (IOException e) { - successful = false; - e.printStackTrace(); - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } catch (ParserConfigurationException e) { - successful = false; - e.printStackTrace(); - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } catch (UnsupportedFeedtypeException e) { - e.printStackTrace(); - successful = false; - reason = DownloadError.ERROR_UNSUPPORTED_TYPE; - reasonDetailed = e.getMessage(); - } catch (InvalidFeedException e) { - e.printStackTrace(); - successful = false; - reason = DownloadError.ERROR_PARSER_EXCEPTION; - reasonDetailed = e.getMessage(); - } - - // cleanup(); - if (savedFeed == null) { - savedFeed = feed; - } - - saveDownloadStatus(new DownloadStatus(savedFeed, - savedFeed.getHumanReadableIdentifier(), reason, successful, - reasonDetailed)); - sendDownloadHandledIntent(); - downloadsBeingHandled -= 1; - handler.post(new Runnable() { - - @Override - public void run() { - queryDownloads(); - - } - }); - } - - /** Checks if the feed was parsed correctly. */ - private boolean checkFeedData(Feed feed) { - if (feed.getTitle() == null) { - Log.e(TAG, "Feed has no title."); - return false; - } - if (!hasValidFeedItems(feed)) { - Log.e(TAG, "Feed has invalid items"); - return false; - } - if (AppConfig.DEBUG) - Log.d(TAG, "Feed appears to be valid."); - return true; - - } - - private boolean hasValidFeedItems(Feed feed) { - for (FeedItem item : feed.getItemsArray()) { - if (item.getTitle() == null) { - Log.e(TAG, "Item has no title"); - return false; - } - if (item.getPubDate() == null) { - Log.e(TAG, - "Item has no pubDate. Using current time as pubDate"); - if (item.getTitle() != null) { - Log.e(TAG, "Title of invalid item: " + item.getTitle()); - } - item.setPubDate(new Date()); - } - } - return true; - } - - /** Delete files that aren't needed anymore */ - private void cleanup() { - if (feed.getFile_url() != null) { - if (new File(feed.getFile_url()).delete()) - if (AppConfig.DEBUG) - Log.d(TAG, "Successfully deleted cache file."); - else - Log.e(TAG, "Failed to delete cache file."); - feed.setFile_url(null); - } else if (AppConfig.DEBUG) { - Log.d(TAG, "Didn't delete cache file: File url is not set."); - } - } - - } - - /** Handles a completed image download. */ - class ImageHandlerThread implements Runnable { - private FeedImage image; - private DownloadStatus status; - - public ImageHandlerThread(DownloadStatus status) { - this.image = (FeedImage) status.getFeedFile(); - this.status = status; - } - - @Override - public void run() { - image.setDownloaded(true); - - saveDownloadStatus(status); - sendDownloadHandledIntent(); - manager.setFeedImage(DownloadService.this, image); - if (image.getFeed() != null) { - manager.setFeed(DownloadService.this, image.getFeed()); - } else { - Log.e(TAG, - "Image has no feed, image might not be saved correctly!"); - } - downloadsBeingHandled -= 1; - handler.post(new Runnable() { - - @Override - public void run() { - queryDownloads(); - - } - }); - } - } - - /** Handles a completed media download. */ - class MediaHandlerThread implements Runnable { - private FeedMedia media; - private DownloadStatus status; - - public MediaHandlerThread(DownloadStatus status) { - super(); - this.media = (FeedMedia) status.getFeedFile(); - this.status = status; - } - - @Override - public void run() { - boolean chaptersRead = false; - - media.setDownloaded(true); - // Get duration - MediaPlayer mediaplayer = new MediaPlayer(); - try { - mediaplayer.setDataSource(media.getFile_url()); - mediaplayer.prepare(); - media.setDuration(mediaplayer.getDuration()); - if (AppConfig.DEBUG) - Log.d(TAG, "Duration of file is " + media.getDuration()); - mediaplayer.reset(); - } catch (IOException e) { - e.printStackTrace(); - } finally { - mediaplayer.release(); - } - - if (media.getItem().getChapters() == null) { - ChapterUtils.loadChaptersFromFileUrl(media); - if (media.getItem().getChapters() != null) { - chaptersRead = true; - } - } - - saveDownloadStatus(status); - sendDownloadHandledIntent(); - if (chaptersRead) { - manager.setFeedItem(DownloadService.this, media.getItem()); - } - manager.setFeedMedia(DownloadService.this, media); - - if (!FeedManager.getInstance().isInQueue(media.getItem())) { - FeedManager.getInstance().addQueueItem(DownloadService.this, - media.getItem()); - } - - downloadsBeingHandled -= 1; - handler.post(new Runnable() { - - @Override - public void run() { - queryDownloads(); - - } - }); - } - } - - /** Is used to request a new download. */ - public static class Request implements Parcelable { - private String destination; - private String source; - - public Request(String destination, String source) { - super(); - this.destination = destination; - this.source = source; - } - - private Request(Parcel in) { - destination = in.readString(); - source = in.readString(); - } - - @Override - public int describeContents() { - return 0; - } - - @Override - public void writeToParcel(Parcel dest, int flags) { - dest.writeString(destination); - dest.writeString(source); - } - - public static final Parcelable.Creator<Request> CREATOR = new Parcelable.Creator<Request>() { - public Request createFromParcel(Parcel in) { - return new Request(in); - } - - public Request[] newArray(int size) { - return new Request[size]; - } - }; - - public String getDestination() { - return destination; - } - - public String getSource() { - return source; - } - - } - - /** Schedules the notification updater task if it hasn't been scheduled yet. */ - private void setupNotificationUpdater() { - if (AppConfig.DEBUG) - Log.d(TAG, "Setting up notification updater"); - if (notificationUpdater == null) { - notificationUpdater = new NotificationUpdater(); - notificationUpdaterFuture = schedExecutor.scheduleAtFixedRate( - notificationUpdater, 5L, 5L, TimeUnit.SECONDS); - } - } - - private void cancelNotificationUpdater() { - boolean result = false; - if (notificationUpdaterFuture != null) { - result = notificationUpdaterFuture.cancel(true); - } - notificationUpdater = null; - notificationUpdaterFuture = null; - Log.d(TAG, "NotificationUpdater cancelled. Result: " + result); - } - - private class NotificationUpdater implements Runnable { - public void run() { - handler.post(new Runnable() { - @Override - public void run() { - Notification n = updateNotifications(); - if (n != null) { - NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); - nm.notify(NOTIFICATION_ID, n); - } - } - }); - } - } - - public List<Downloader> getDownloads() { - return downloads; - } + private static final String TAG = "DownloadService"; + + /** + * Cancels one download. The intent MUST have an EXTRA_DOWNLOAD_URL extra that contains the download URL of the + * object whose download should be cancelled. + */ + public static final String ACTION_CANCEL_DOWNLOAD = "action.de.danoeh.antennapod.service.cancelDownload"; + + /** + * Cancels all running downloads. + */ + public static final String ACTION_CANCEL_ALL_DOWNLOADS = "action.de.danoeh.antennapod.service.cancelAllDownloads"; + + /** + * Extra for ACTION_CANCEL_DOWNLOAD + */ + public static final String EXTRA_DOWNLOAD_URL = "downloadUrl"; + + /** + * Sent by the DownloadService when the content of the downloads list + * changes. + */ + public static final String ACTION_DOWNLOADS_CONTENT_CHANGED = "action.de.danoeh.antennapod.service.downloadsContentChanged"; + + /** + * Extra for ACTION_ENQUEUE_DOWNLOAD intent. + */ + public static final String EXTRA_REQUEST = "request"; + + /** + * Stores DownloadStatus objects of completed downloads for creating a report at the end of the lifecylce. + */ + private List<DownloadStatus> completedDownloads; + + private ExecutorService syncExecutor; + private CompletionService<Downloader> downloadExecutor; + /** + * Number of threads of downloadExecutor. + */ + private static final int NUM_PARALLEL_DOWNLOADS = 4; + + private DownloadRequester requester; + + + private NotificationCompat.Builder notificationCompatBuilder; + private Notification.BigTextStyle notificationBuilder; + private int NOTIFICATION_ID = 2; + private int REPORT_ID = 3; + + /** + * Currently running downloads. + */ + private List<Downloader> downloads; + + /** + * Number of running downloads. + */ + private AtomicInteger numberOfDownloads; + + /** + * True if service is running. + */ + public static boolean isRunning = false; + + private Handler handler; + + private NotificationUpdater notificationUpdater; + private ScheduledFuture notificationUpdaterFuture; + private static final int SCHED_EX_POOL_SIZE = 1; + private ScheduledThreadPoolExecutor schedExecutor; + + private final IBinder mBinder = new LocalBinder(); + + public class LocalBinder extends Binder { + public DownloadService getService() { + return DownloadService.this; + } + } + + private Thread downloadCompletionThread = new Thread() { + private static final String TAG = "downloadCompletionThread"; + + @Override + public void run() { + if (AppConfig.DEBUG) Log.d(TAG, "downloadCompletionThread was started"); + while (!isInterrupted()) { + try { + Downloader downloader = downloadExecutor.take().get(); + if (AppConfig.DEBUG) + Log.d(TAG, "Received 'Download Complete' - message."); + removeDownload(downloader); + DownloadStatus status = downloader.getResult(); + boolean successful = status.isSuccessful(); + + final int type = status.getFeedfileType(); + if (successful) { + if (type == Feed.FEEDFILETYPE_FEED) { + handleCompletedFeedDownload(downloader + .getDownloadRequest()); + } else if (type == FeedImage.FEEDFILETYPE_FEEDIMAGE) { + handleCompletedImageDownload(status, downloader.getDownloadRequest()); + } else if (type == FeedMedia.FEEDFILETYPE_FEEDMEDIA) { + handleCompletedFeedMediaDownload(status, downloader.getDownloadRequest()); + } + } else { + numberOfDownloads.decrementAndGet(); + if (!successful && !status.isCancelled()) { + Log.e(TAG, "Download failed"); + saveDownloadStatus(status); + } + sendDownloadHandledIntent(); + queryDownloadsAsync(); + } + } catch (InterruptedException e) { + if (AppConfig.DEBUG) Log.d(TAG, "DownloadCompletionThread was interrupted"); + } catch (ExecutionException e) { + e.printStackTrace(); + numberOfDownloads.decrementAndGet(); + } + } + if (AppConfig.DEBUG) Log.d(TAG, "End of downloadCompletionThread"); + } + }; + + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + if (intent.getParcelableExtra(EXTRA_REQUEST) != null) { + onDownloadQueued(intent); + } else if (numberOfDownloads.get() == 0) { + stopSelf(); + } + return Service.START_NOT_STICKY; + } + + @SuppressLint("NewApi") + @Override + public void onCreate() { + if (AppConfig.DEBUG) + Log.d(TAG, "Service started"); + isRunning = true; + handler = new Handler(); + completedDownloads = Collections.synchronizedList(new ArrayList<DownloadStatus>()); + downloads = new ArrayList<Downloader>(); + numberOfDownloads = new AtomicInteger(0); + + IntentFilter cancelDownloadReceiverFilter = new IntentFilter(); + cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_ALL_DOWNLOADS); + cancelDownloadReceiverFilter.addAction(ACTION_CANCEL_DOWNLOAD); + registerReceiver(cancelDownloadReceiver, cancelDownloadReceiverFilter); + syncExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() { + + @Override + public Thread newThread(Runnable r) { + Thread t = new Thread(r); + t.setPriority(Thread.MIN_PRIORITY); + return t; + } + }); + downloadExecutor = new ExecutorCompletionService<Downloader>( + Executors.newFixedThreadPool(NUM_PARALLEL_DOWNLOADS, + new ThreadFactory() { + + @Override + public Thread newThread(Runnable r) { + Thread t = new Thread(r); + t.setPriority(Thread.MIN_PRIORITY); + return t; + } + })); + schedExecutor = new ScheduledThreadPoolExecutor(SCHED_EX_POOL_SIZE, + new ThreadFactory() { + + @Override + public Thread newThread(Runnable r) { + Thread t = new Thread(r); + t.setPriority(Thread.MIN_PRIORITY); + return t; + } + }, new RejectedExecutionHandler() { + + @Override + public void rejectedExecution(Runnable r, + ThreadPoolExecutor executor) { + Log.w(TAG, "SchedEx rejected submission of new task"); + } + } + ); + downloadCompletionThread.start(); + setupNotificationBuilders(); + requester = DownloadRequester.getInstance(); + } + + @Override + public IBinder onBind(Intent intent) { + return mBinder; + } + + @Override + public void onDestroy() { + if (AppConfig.DEBUG) + Log.d(TAG, "Service shutting down"); + isRunning = false; + updateReport(); + + stopForeground(true); + NotificationManager nm = (NotificationManager) getSystemService(NOTIFICATION_SERVICE); + nm.cancel(NOTIFICATION_ID); + + downloadCompletionThread.interrupt(); + syncExecutor.shutdown(); + schedExecutor.shutdown(); + cancelNotificationUpdater(); + unregisterReceiver(cancelDownloadReceiver); + } + + @SuppressLint("NewApi") + private void setupNotificationBuilders() { + PendingIntent pIntent = PendingIntent.getActivity(this, 0, new Intent( + this, DownloadActivity.class), + PendingIntent.FLAG_UPDATE_CURRENT); + + Bitmap icon = BitmapFactory.decodeResource(getResources(), + R.drawable.stat_notify_sync); + + if (android.os.Build.VERSION.SDK_INT >= 16) { + notificationBuilder = new Notification.BigTextStyle( + new Notification.Builder(this).setOngoing(true) + .setContentIntent(pIntent).setLargeIcon(icon) + .setSmallIcon(R.drawable.stat_notify_sync)); + } else { + notificationCompatBuilder = new NotificationCompat.Builder(this) + .setOngoing(true).setContentIntent(pIntent) + .setLargeIcon(icon) + .setSmallIcon(R.drawable.stat_notify_sync); + } + if (AppConfig.DEBUG) + Log.d(TAG, "Notification set up"); + } + + /** + * Updates the contents of the service's notifications. Should be called + * before setupNotificationBuilders. + */ + @SuppressLint("NewApi") + private Notification updateNotifications() { + String contentTitle = getString(R.string.download_notification_title); + String downloadsLeft = requester.getNumberOfDownloads() + + getString(R.string.downloads_left); + if (android.os.Build.VERSION.SDK_INT >= 16) { + + if (notificationBuilder != null) { + + StringBuilder bigText = new StringBuilder(""); + for (int i = 0; i < downloads.size(); i++) { + Downloader downloader = downloads.get(i); + final DownloadRequest request = downloader + .getDownloadRequest(); + if (request.getFeedfileType() == Feed.FEEDFILETYPE_FEED) { + if (request.getTitle() != null) { + if (i > 0) { + bigText.append("\n"); + } + bigText.append("\u2022 " + request.getTitle()); + } + } else if (request.getFeedfileType() == FeedMedia.FEEDFILETYPE_FEEDMEDIA) { + if (request.getTitle() != null) { + if (i > 0) { + bigText.append("\n"); + } + bigText.append("\u2022 " + request.getTitle() + + " (" + request.getProgressPercent() + + "%)"); + } + } + + } + notificationBuilder.setSummaryText(downloadsLeft); + notificationBuilder.setBigContentTitle(contentTitle); + if (bigText != null) { + notificationBuilder.bigText(bigText.toString()); + } + return notificationBuilder.build(); + } + } else { + if (notificationCompatBuilder != null) { + notificationCompatBuilder.setContentTitle(contentTitle); + notificationCompatBuilder.setContentText(downloadsLeft); + return notificationCompatBuilder.getNotification(); + } + } + return null; + } + + private Downloader getDownloader(String downloadUrl) { + for (Downloader downloader : downloads) { + if (downloader.getDownloadRequest().getSource().equals(downloadUrl)) { + return downloader; + } + } + return null; + } + + private BroadcastReceiver cancelDownloadReceiver = new BroadcastReceiver() { + + @Override + public void onReceive(Context context, Intent intent) { + if (intent.getAction().equals(ACTION_CANCEL_DOWNLOAD)) { + String url = intent.getStringExtra(EXTRA_DOWNLOAD_URL); + if (url == null) { + throw new IllegalArgumentException( + "ACTION_CANCEL_DOWNLOAD intent needs download url extra"); + } + if (AppConfig.DEBUG) + Log.d(TAG, "Cancelling download with url " + url); + Downloader d = getDownloader(url); + if (d != null) { + d.cancel(); + } else { + Log.e(TAG, "Could not cancel download with url " + url); + } + + } else if (intent.getAction().equals(ACTION_CANCEL_ALL_DOWNLOADS)) { + for (Downloader d : downloads) { + d.cancel(); + if (AppConfig.DEBUG) + Log.d(TAG, "Cancelled all downloads"); + } + sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); + + } + queryDownloads(); + } + + }; + + private void onDownloadQueued(Intent intent) { + if (AppConfig.DEBUG) + Log.d(TAG, "Received enqueue request"); + DownloadRequest request = intent.getParcelableExtra(EXTRA_REQUEST); + if (request == null) { + throw new IllegalArgumentException( + "ACTION_ENQUEUE_DOWNLOAD intent needs request extra"); + } + + Downloader downloader = getDownloader(request); + if (downloader != null) { + numberOfDownloads.incrementAndGet(); + downloads.add(downloader); + downloadExecutor.submit(downloader); + sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); + } + + queryDownloads(); + } + + private Downloader getDownloader(DownloadRequest request) { + if (URLUtil.isHttpUrl(request.getSource())) { + return new HttpDownloader(request); + } + Log.e(TAG, + "Could not find appropriate downloader for " + + request.getSource()); + return null; + } + + /** + * Remove download from the DownloadRequester list and from the + * DownloadService list. + */ + private void removeDownload(final Downloader d) { + handler.post(new Runnable() { + @Override + public void run() { + if (AppConfig.DEBUG) + Log.d(TAG, "Removing downloader: " + + d.getDownloadRequest().getSource()); + boolean rc = downloads.remove(d); + if (AppConfig.DEBUG) + Log.d(TAG, "Result of downloads.remove: " + rc); + DownloadRequester.getInstance().removeDownload(d.getDownloadRequest()); + sendBroadcast(new Intent(ACTION_DOWNLOADS_CONTENT_CHANGED)); + } + }); + } + + /** + * Adds a new DownloadStatus object to the list of completed downloads and + * saves it in the database + * + * @param status the download that is going to be saved + */ + private void saveDownloadStatus(DownloadStatus status) { + completedDownloads.add(status); + DBWriter.addDownloadStatus(this, status); + } + + private void sendDownloadHandledIntent() { + EventDistributor.getInstance().sendDownloadHandledBroadcast(); + } + + /** + * Creates a notification at the end of the service lifecycle to notify the + * user about the number of completed downloads. A report will only be + * created if the number of successfully downloaded feeds is bigger than 1 + * or if there is at least one failed download which is not an image or if + * there is at least one downloaded media file. + */ + private void updateReport() { + // check if report should be created + boolean createReport = false; + int successfulDownloads = 0; + int failedDownloads = 0; + + // a download report is created if at least one download has failed + // (excluding failed image downloads) + for (DownloadStatus status : completedDownloads) { + if (status.isSuccessful()) { + successfulDownloads++; + } else if (!status.isCancelled()) { + if (status.getFeedfileType() != FeedImage.FEEDFILETYPE_FEEDIMAGE) { + createReport = true; + } + failedDownloads++; + } + } + + if (createReport) { + if (AppConfig.DEBUG) + Log.d(TAG, "Creating report"); + // create notification object + Notification notification = new NotificationCompat.Builder(this) + .setTicker( + getString(de.danoeh.antennapod.R.string.download_report_title)) + .setContentTitle( + getString(de.danoeh.antennapod.R.string.download_report_title)) + .setContentText( + String.format( + getString(R.string.download_report_content), + successfulDownloads, failedDownloads)) + .setSmallIcon(R.drawable.stat_notify_sync) + .setLargeIcon( + BitmapFactory.decodeResource(getResources(), + R.drawable.stat_notify_sync)) + .setContentIntent( + PendingIntent.getActivity(this, 0, new Intent(this, + DownloadLogActivity.class), 0)) + .setAutoCancel(true).getNotification(); + NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); + nm.notify(REPORT_ID, notification); + } else { + if (AppConfig.DEBUG) + Log.d(TAG, "No report is created"); + } + completedDownloads.clear(); + } + + /** + * Calls query downloads on the services main thread. This method should be used instead of queryDownloads if it is + * used from a thread other than the main thread. + */ + void queryDownloadsAsync() { + handler.post(new Runnable() { + public void run() { + queryDownloads(); + ; + } + }); + } + + /** + * Check if there's something else to download, otherwise stop + */ + void queryDownloads() { + if (AppConfig.DEBUG) { + Log.d(TAG, numberOfDownloads.get() + " downloads left"); + } + + if (numberOfDownloads.get() <= 0 && DownloadRequester.getInstance().hasNoDownloads()) { + if (AppConfig.DEBUG) + Log.d(TAG, "Number of downloads is " + numberOfDownloads.get() + ", attempting shutdown"); + stopSelf(); + } else { + setupNotificationUpdater(); + startForeground(NOTIFICATION_ID, updateNotifications()); + } + } + + /** + * Is called whenever a Feed is downloaded + */ + private void handleCompletedFeedDownload(DownloadRequest request) { + if (AppConfig.DEBUG) + Log.d(TAG, "Handling completed Feed Download"); + syncExecutor.execute(new FeedSyncThread(request)); + + } + + /** + * Is called whenever a Feed-Image is downloaded + */ + private void handleCompletedImageDownload(DownloadStatus status, DownloadRequest request) { + if (AppConfig.DEBUG) + Log.d(TAG, "Handling completed Image Download"); + syncExecutor.execute(new ImageHandlerThread(status, request)); + } + + /** + * Is called whenever a FeedMedia is downloaded. + */ + private void handleCompletedFeedMediaDownload(DownloadStatus status, DownloadRequest request) { + if (AppConfig.DEBUG) + Log.d(TAG, "Handling completed FeedMedia Download"); + syncExecutor.execute(new MediaHandlerThread(status, request)); + } + + /** + * Takes a single Feed, parses the corresponding file and refreshes + * information in the manager + */ + class FeedSyncThread implements Runnable { + private static final String TAG = "FeedSyncThread"; + + private DownloadRequest request; + + private DownloadError reason; + private boolean successful; + + public FeedSyncThread(DownloadRequest request) { + if (request == null) { + throw new IllegalArgumentException("Request must not be null"); + } + + this.request = request; + } + + public void run() { + Feed savedFeed = null; + + Feed feed = new Feed(request.getSource(), new Date()); + feed.setFile_url(request.getDestination()); + feed.setDownloaded(true); + + reason = null; + String reasonDetailed = null; + successful = true; + FeedHandler feedHandler = new FeedHandler(); + + try { + feed = feedHandler.parseFeed(feed); + if (AppConfig.DEBUG) + Log.d(TAG, feed.getTitle() + " parsed"); + if (checkFeedData(feed) == false) { + throw new InvalidFeedException(); + } + // Save information of feed in DB + savedFeed = DBTasks.updateFeed(DownloadService.this, feed); + // Download Feed Image if provided and not downloaded + if (savedFeed.getImage() != null + && savedFeed.getImage().isDownloaded() == false) { + if (AppConfig.DEBUG) + Log.d(TAG, "Feed has image; Downloading...."); + savedFeed.getImage().setFeed(savedFeed); + final Feed savedFeedRef = savedFeed; + try { + requester.downloadImage(DownloadService.this, + savedFeedRef.getImage()); + } catch (DownloadRequestException e) { + e.printStackTrace(); + DBWriter.addDownloadStatus( + DownloadService.this, + new DownloadStatus( + savedFeedRef.getImage(), + savedFeedRef + .getImage() + .getHumanReadableIdentifier(), + DownloadError.ERROR_REQUEST_ERROR, + false, e.getMessage())); + } + } + + } catch (SAXException e) { + successful = false; + e.printStackTrace(); + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } catch (IOException e) { + successful = false; + e.printStackTrace(); + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } catch (ParserConfigurationException e) { + successful = false; + e.printStackTrace(); + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } catch (UnsupportedFeedtypeException e) { + e.printStackTrace(); + successful = false; + reason = DownloadError.ERROR_UNSUPPORTED_TYPE; + reasonDetailed = e.getMessage(); + } catch (InvalidFeedException e) { + e.printStackTrace(); + successful = false; + reason = DownloadError.ERROR_PARSER_EXCEPTION; + reasonDetailed = e.getMessage(); + } + + // cleanup(); + if (savedFeed == null) { + savedFeed = feed; + } + + saveDownloadStatus(new DownloadStatus(savedFeed, + savedFeed.getHumanReadableIdentifier(), reason, successful, + reasonDetailed)); + sendDownloadHandledIntent(); + numberOfDownloads.decrementAndGet(); + queryDownloadsAsync(); + } + + /** + * Checks if the feed was parsed correctly. + */ + private boolean checkFeedData(Feed feed) { + if (feed.getTitle() == null) { + Log.e(TAG, "Feed has no title."); + return false; + } + if (!hasValidFeedItems(feed)) { + Log.e(TAG, "Feed has invalid items"); + return false; + } + if (AppConfig.DEBUG) + Log.d(TAG, "Feed appears to be valid."); + return true; + + } + + private boolean hasValidFeedItems(Feed feed) { + for (FeedItem item : feed.getItems()) { + if (item.getTitle() == null) { + Log.e(TAG, "Item has no title"); + return false; + } + if (item.getPubDate() == null) { + Log.e(TAG, + "Item has no pubDate. Using current time as pubDate"); + if (item.getTitle() != null) { + Log.e(TAG, "Title of invalid item: " + item.getTitle()); + } + item.setPubDate(new Date()); + } + } + return true; + } + + /** + * Delete files that aren't needed anymore + */ + private void cleanup(Feed feed) { + if (feed.getFile_url() != null) { + if (new File(feed.getFile_url()).delete()) + if (AppConfig.DEBUG) + Log.d(TAG, "Successfully deleted cache file."); + else + Log.e(TAG, "Failed to delete cache file."); + feed.setFile_url(null); + } else if (AppConfig.DEBUG) { + Log.d(TAG, "Didn't delete cache file: File url is not set."); + } + } + + } + + /** + * Handles a completed image download. + */ + class ImageHandlerThread implements Runnable { + + private DownloadRequest request; + private DownloadStatus status; + + public ImageHandlerThread(DownloadStatus status, DownloadRequest request) { + if (status == null) { + throw new IllegalArgumentException("Status must not be null"); + } + if (request == null) { + throw new IllegalArgumentException("Request must not be null"); + } + this.status = status; + this.request = request; + } + + @Override + public void run() { + FeedImage image = DBReader.getFeedImage(DownloadService.this, request.getFeedfileId()); + if (image == null) { + throw new IllegalStateException("Could not find downloaded image in database"); + } + + image.setFile_url(request.getDestination()); + image.setDownloaded(true); + + saveDownloadStatus(status); + sendDownloadHandledIntent(); + DBWriter.setFeedImage(DownloadService.this, image); + numberOfDownloads.decrementAndGet(); + queryDownloadsAsync(); + } + } + + /** + * Handles a completed media download. + */ + class MediaHandlerThread implements Runnable { + + private DownloadRequest request; + private DownloadStatus status; + + public MediaHandlerThread(DownloadStatus status, DownloadRequest request) { + if (status == null) { + throw new IllegalArgumentException("Status must not be null"); + } + if (request == null) { + throw new IllegalArgumentException("Request must not be null"); + } + + this.status = status; + this.request = request; + } + + @Override + public void run() { + FeedMedia media = DBReader.getFeedMedia(DownloadService.this, + request.getFeedfileId()); + if (media == null) { + throw new IllegalStateException( + "Could not find downloaded media object in database"); + } + boolean chaptersRead = false; + media.setDownloaded(true); + media.setFile_url(request.getDestination()); + + // Get duration + MediaPlayer mediaplayer = null; + try { + mediaplayer = new MediaPlayer(); + mediaplayer.setDataSource(media.getFile_url()); + mediaplayer.prepare(); + media.setDuration(mediaplayer.getDuration()); + if (AppConfig.DEBUG) + Log.d(TAG, "Duration of file is " + media.getDuration()); + mediaplayer.reset(); + } catch (IOException e) { + e.printStackTrace(); + } catch (RuntimeException e) { + // Thrown by MediaPlayer initialization on some devices + e.printStackTrace(); + } finally { + if (mediaplayer != null) { + mediaplayer.release(); + } + } + + if (media.getItem().getChapters() == null) { + ChapterUtils.loadChaptersFromFileUrl(media); + if (media.getItem().getChapters() != null) { + chaptersRead = true; + } + } + + saveDownloadStatus(status); + sendDownloadHandledIntent(); + + try { + if (chaptersRead) { + DBWriter.setFeedItem(DownloadService.this, media.getItem()).get(); + } + DBWriter.setFeedMedia(DownloadService.this, media).get(); + } catch (ExecutionException e) { + e.printStackTrace(); + } catch (InterruptedException e) { + e.printStackTrace(); + } + + if (!DBTasks.isInQueue(DownloadService.this, media.getItem().getId())) { + DBWriter.addQueueItem(DownloadService.this, media.getItem().getId()); + } + + numberOfDownloads.decrementAndGet(); + queryDownloadsAsync(); + } + } + + /** + * Schedules the notification updater task if it hasn't been scheduled yet. + */ + private void setupNotificationUpdater() { + if (AppConfig.DEBUG) + Log.d(TAG, "Setting up notification updater"); + if (notificationUpdater == null) { + notificationUpdater = new NotificationUpdater(); + notificationUpdaterFuture = schedExecutor.scheduleAtFixedRate( + notificationUpdater, 5L, 5L, TimeUnit.SECONDS); + } + } + + private void cancelNotificationUpdater() { + boolean result = false; + if (notificationUpdaterFuture != null) { + result = notificationUpdaterFuture.cancel(true); + } + notificationUpdater = null; + notificationUpdaterFuture = null; + Log.d(TAG, "NotificationUpdater cancelled. Result: " + result); + } + + private class NotificationUpdater implements Runnable { + public void run() { + handler.post(new Runnable() { + @Override + public void run() { + Notification n = updateNotifications(); + if (n != null) { + NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); + nm.notify(NOTIFICATION_ID, n); + } + } + }); + } + } + + public List<Downloader> getDownloads() { + return downloads; + } } |