src/eu/alefzero/owncloud/FileDownloader.java

   1 package eu.alefzero.owncloud;
   2
   3 import java.io.File;
   4
   5 import android.accounts.Account;
   6 import android.accounts.AccountManager;
   7 import android.app.Notification;
   8 import android.app.NotificationManager;
   9 import android.app.PendingIntent;
  10 import android.app.Service;
  11 import android.content.BroadcastReceiver;
  12 import android.content.ContentValues;
  13 import android.content.Intent;
  14 import android.net.Uri;
  15 import android.os.Environment;
  16 import android.os.Handler;
  17 import android.os.HandlerThread;
  18 import android.os.IBinder;
  19 import android.os.Looper;
  20 import android.os.Message;
  21 import android.os.Process;
  22 import android.util.Log;
  23 import eu.alefzero.owncloud.authenticator.AccountAuthenticator;
  24 import eu.alefzero.owncloud.db.ProviderMeta.ProviderTableMeta;
  25 import eu.alefzero.owncloud.ui.activity.FileDisplayActivity;
  26 import eu.alefzero.webdav.WebdavClient;
  27
  28 public class FileDownloader extends Service {
  29   public static final String DOWNLOAD_FINISH_MESSAGE = "DOWNLOAD_FINISH";
  30   public static final String EXTRA_ACCOUNT = "ACCOUNT";
  31   public static final String EXTRA_FILE_PATH = "FILE_PATH";
  32   private static final String TAG = "FileDownloader";
  33
  34   private NotificationManager nm;
  35   private Looper mServiceLooper;
  36   private ServiceHandler mServiceHandler;
  37   private Account mAccount;
  38   private String mFilePath;
  39
  40   private final class ServiceHandler extends Handler {
  41     public ServiceHandler(Looper looper) {
  42       super(looper);
  43     }
  44     @Override
  45     public void handleMessage(Message msg) {
  46       downloadFile();
  47       stopSelf(msg.arg1);
  48     }
  49   }
  50
  51   @Override
  52   public void onCreate() {
  53     super.onCreate();
  54     nm = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
  55     HandlerThread thread = new HandlerThread("FileDownladerThread", Process.THREAD_PRIORITY_BACKGROUND);
  56     thread.start();
  57     mServiceLooper = thread.getLooper();
  58     mServiceHandler = new ServiceHandler(mServiceLooper);
  59   }
  60
  61   @Override
  62   public IBinder onBind(Intent arg0) {
  63     return null;
  64   }
  65
  66   @Override
  67   public int onStartCommand(Intent intent, int flags, int startId) {
  68     if (!intent.hasExtra(EXTRA_ACCOUNT) && !intent.hasExtra(EXTRA_FILE_PATH)) {
  69       Log.e(TAG, "Not enough information provided in intent");
  70       return START_STICKY;
  71     }
  72     mAccount = intent.getParcelableExtra(EXTRA_ACCOUNT);
  73     mFilePath = intent.getStringExtra(EXTRA_FILE_PATH);
  74     Message msg = mServiceHandler.obtainMessage();
  75     msg.arg1 = startId;
  76     mServiceHandler.sendMessage(msg);
  77
  78     return START_NOT_STICKY;
  79   }
  80
  81   void downloadFile() {
  82     AccountManager am = (AccountManager)getSystemService(ACCOUNT_SERVICE);
  83     Uri oc_url = Uri.parse(am.getUserData(mAccount, AccountAuthenticator.KEY_OC_URL));
  84
  85     WebdavClient wdc = new WebdavClient(oc_url);
  86
  87     String username = mAccount.name.split("@")[0];
  88     String password = "";
  89     try {
  90       password = am.blockingGetAuthToken(mAccount, AccountAuthenticator.AUTH_TOKEN_TYPE, true);
  91     } catch (Exception e) {
  92       e.printStackTrace();
  93     }
  94
  95     wdc.setCredentials(username, password);
  96     wdc.allowUnsignedCertificates();
  97
  98     Notification n = new Notification(R.drawable.icon, "Downloading file", System.currentTimeMillis());
  99     PendingIntent pi = PendingIntent.getActivity(this, 1, new Intent(this, FileDisplayActivity.class), 0);
 100     n.setLatestEventInfo(this, "Downloading file", "Downloading file " + mFilePath, pi);
 101     nm.notify(1, n);
 102
 103     File sdCard = Environment.getExternalStorageDirectory();
 104     File dir = new File (sdCard.getAbsolutePath() + "/owncloud");
 105     dir.mkdirs();
 106     File file = new File(dir, mFilePath.replace('/', '.'));
 107
 108     wdc.downloadFile(mFilePath, file);
 109     ContentValues cv = new ContentValues();
 110     cv.put(ProviderTableMeta.FILE_STORAGE_PATH, file.getAbsolutePath());
 111     getContentResolver().update(ProviderTableMeta.CONTENT_URI,
 112         cv,
 113         ProviderTableMeta.FILE_NAME +"=? AND "+ProviderTableMeta.FILE_ACCOUNT_OWNER+"=?",
 114         new String[]{mFilePath.substring(mFilePath.lastIndexOf('/')+1), mAccount.name});
 115     nm.cancel(1);
 116     Intent end = new Intent(DOWNLOAD_FINISH_MESSAGE);
 117     sendBroadcast(end);
 118   }
 119
 120 }